*BEGIN GRAPHICS VERSION=442/420 ENCODING=7BIT ** "Creator" brian ** "Creation Date" Sat Jul 11 21:03:31 1998 ** "Revisor" brian ** "Last Modified" Tue May 2 01:55:51 2000 COLORMAP <"Transparent" 0 0 0 0 0 1> <"Black" 0 0 0 0 255 0> <"White" 0 0 0 0 0 0> <"Grey 95" 0 0 0 0 13 0> <"Grey 87" 0 0 0 0 33 0> <"Grey 75" 0 0 0 0 64 0> <"Grey 50" 0 0 0 0 128 0> <"Red" 0 0 255 255 0 0> <"Red 95" 0 13 255 255 0 0> <"Red 87" 0 33 255 255 0 0> <"Red 75" 0 64 255 255 0 0> <"Red 50" 0 128 255 255 0 0> <"Green" 0 255 0 255 0 0> <"Green 95" 0 255 13 255 0 0> <"Green 87" 0 255 33 255 0 0> <"Green 75" 0 255 64 255 0 0> <"Green 50" 0 255 128 255 0 0> <"Blue" 0 255 255 0 0 0> <"Blue 95" 0 255 255 13 0 0> <"Blue 87" 0 255 255 33 0 0> <"Blue 75" 0 255 255 64 0 0> <"Blue 50" 0 255 255 128 0 0> <"Yellow" 0 0 0 255 0 0> <"Yellow 95" 0 0 0 255 13 0> <"Yellow 87" 0 0 0 255 33 0> <"Yellow 75" 0 0 0 255 64 0> <"Yellow 50" 0 0 0 255 128 0> <"Magenta" 0 0 255 0 0 0> <"Magenta 95" 0 0 255 0 13 0> <"Magenta 87" 0 0 255 0 33 0> <"Magenta 75" 0 0 255 0 64 0> <"Magenta 50" 0 0 255 0 128 0> <"Cyan" 0 255 0 0 0 0> <"Cyan 95" 0 255 0 0 13 0> <"Cyan 87" 0 255 0 0 33 0> <"Cyan 75" 0 255 0 0 64 0> <"Cyan 50" 0 255 0 0 128 0> <"Tan" 0 0 57 131 0 0> <"Clay" 0 0 74 74 57 0> <"Brown" 0 30 100 220 30 0> <"Dark Brown" 0 60 135 190 65 0> <"Olive" 0 90 65 190 65 0> <"Light Orange" 0 0 33 255 0 0> <"Orange" 0 0 90 255 0 0> <"Dark Orange" 0 0 132 255 0 0> <"Light Purple" 0 31 153 0 0 0> <"Purple" 0 80 208 0 15 0> <"Dark Purple" 0 25 126 0 44 0> <"Color0" 0 181 0 181 61 0> <"Color0+" 0 255 20 0 0 0> <"Color0++" 0 0 20 255 0 0> <"Color0+++" 0 0 17 255 0 0> <"Color0++++" 0 0 76 99 142 0> <"Color1" 0 255 15 0 0 0> <"Color3" 0 0 0 0 68 0> <"Color4" 0 0 0 0 71 0> END COLORMAP FONT "Times" "Swiss" "Morewingbats" "Dutch" "Zapf Dingbats" "Palatino" END FONT SESSION WIN_SIZE <11960 7894> STICKY ON AUTOGRID ON VIEW <0 1 0 1 1 0> PAGEWID 11000 PAGEHYT 8500 PRINTWID 11000 PRINTHYT 8500 PRINTLAND ON PRINTGUIDES <354 1050> HPAGEWID 8267 HPAGEHYT 11692 HPRINTWID 8267 HPRINTHYT 11692 SLIDE_STYLE <0 -1 1> BACKFILL <34 0 5 1000 0 0 0> LINEFILL <21 21 5 1000 0 0 0> SHADOW <11 0 15 15> FONT 1 REZ <1 928 928 -1444 -504> END SESSION SLIDE_MASTER S_EXT1 <103 84 9891 1922> S_EXT2 <103 2089 9891 7369> T_ATTR0 BACKFILL <7 7 0 0 0 0 0> V_SPACE <0 611 0> SIZE 440000 BOLD ON HOR_JUST CENTER L_SPACE 611 MARGINS <0 0 0 0> END T_ATTR0 T_ATTR1 END T_ATTR1 S_ATTR0 BACKFILL <20 20 0 19 0 0 0> PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 BOLD OFF HOR_JUST LEFT L_SPACE 444 END S_ATTR0 S_ATTR1 END S_ATTR1 S_ATTR2 PARA <-500 1000 -500 1 1000 0 2 108> V_SPACE <28 389 0> SIZE 280000 END S_ATTR2 S_ATTR3 PARA <-500 1500 -500 1 1000 0 2 108> V_SPACE <28 333 0> SIZE 240000 END S_ATTR3 S_ATTR4 PARA <-500 2000 -500 1 1000 0 2 108> V_SPACE <28 306 0> SIZE 220000 END S_ATTR4 S_ATTR5 PARA <-500 2500 -500 1 1000 0 2 108> ITALICS ON END S_ATTR5 SLIDE_INFO SLIDE_STYLE <0 0 1> PAGE_BACKGD <0 0 1 17> C_SCHEME <7 7 20 20 21 21 34 2 23 27 44 12 1 0 0 0 0 0 0 0 0 0 0 11 42> END SLIDE_INFO .GRP BACKFILL <1 0 0 0 0 0 0> LINEFILL <1 2 5 1000 0 0 0> SHADOW <6 0 15 15> PARA <0 0 0 0 1000 1 0 111> V_SPACE <250 250 0> FONT 0 SIZE 180000 ITALICS OFF L_SPACE 250 MARGINS <125 125 250 62> END .GRP END SLIDE_MASTER HANDOUT_MASTER SLIDE_INFO SLIDE_STYLE <0 -1 1> END SLIDE_INFO .GRP .LINE AT (3620,0) BACKFILL <1 1 0 0 0 0 0> V_SPACE <28 250 0> FONT 3 MARGINS <0 0 0 0> PNTS (0,0)(0,3000) .LINE AT (3620,4000) PNTS (0,0)(0,2500) .LINE AT (3620,7500) PNTS (0,0)(0,3250) .LINE AT (0,3500) PNTS (0,0)(3250,0) .LINE AT (3999,3502) PNTS (0,0)(3250,0) .LINE AT (2,6999) PNTS (0,0)(3250,0) .LINE AT (4001,7001) PNTS (0,0)(3250,0) END .GRP END HANDOUT_MASTER OUTLINE_MASTER SLIDE_INFO SLIDE_STYLE <0 -1 1> END SLIDE_INFO .GRP BACKFILL <1 0 0 0 0 0 0> V_SPACE <250 250 0> FONT 0 MARGINS <125 125 250 62> END .GRP END OUTLINE_MASTER NOTES_MASTER N_EXT1 <250 250 7249 4875> N_EXT2 <250 5125 7249 9749> N_ATTR0 BACKFILL <1 1 0 0 0 0 0> V_SPACE <28 250 0> FONT 3 MARGINS <0 0 0 0> END N_ATTR0 N_ATTR1 END N_ATTR1 N_ATTR2 PARA <0 500 0 0 1000 1 0 111> END N_ATTR2 N_ATTR3 PARA <0 1000 0 0 1000 1 0 111> END N_ATTR3 N_ATTR4 PARA <0 1500 0 0 1000 1 0 111> END N_ATTR4 N_ATTR5 PARA <0 2000 0 0 1000 1 0 111> END N_ATTR5 SLIDE_INFO SLIDE_STYLE <0 -1 1> END SLIDE_INFO .GRP BACKFILL <1 0 0 0 0 0 0> PARA <0 0 0 0 1000 1 0 111> V_SPACE <250 250 0> FONT 0 MARGINS <125 125 250 62> END .GRP END NOTES_MASTER SLIDE_INFO SLIDE_STYLE <0 -1 1> LAYOUT_ID <0 1 2 3 3> END SLIDE_INFO PICTURE .LINE AT (2750,6425) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> LINEFILL <21 21 5 1000 0 0 0> SHADOW <11 0 15 15> THICKNESS 56 L_ARROW 1 R_ARROW 1 PARA <0 0 0 0 1000 34 0 111> V_SPACE <0 250 0> FONT 1 PNTS (0,0)(4749,0) .LINE AT (8499,2001) RECOLOR ON THICKNESS 42 L_ARROW 0 R_ARROW 0 PNTS (0,0)(0,4500) .LINE AT (1750,2000) RECOLOR ON PNTS (0,0)(0,4500) .POL AT (750,1691) RECOLOR ON THICKNESS 1 PNTS (0,0)(1999,0)(1999,500)(0,500)(0,0) .TXT AT (749,1751) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 PNTS (0,1)(2001,0)(2001,500)(0,500)(0,1) .STR "7. Application" .POL AT (751,2379) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> THICKNESS 1 PNTS (0,0)(1999,0)(1999,500)(0,500)(0,0) .TXT AT (750,2439) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 PNTS (0,1)(2001,0)(2001,500)(0,500)(0,1) .STR "6. Presentation" .POL AT (751,3130) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> THICKNESS 1 PNTS (0,0)(1999,0)(1999,500)(0,500)(0,0) .TXT AT (750,3190) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 PNTS (0,1)(2001,0)(2001,500)(0,500)(0,1) .STR "5. Session" .POL AT (751,3879) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> THICKNESS 1 PNTS (0,0)(1999,0)(1999,500)(0,500)(0,0) .TXT AT (750,3939) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 PNTS (0,1)(2001,0)(2001,500)(0,500)(0,1) .STR "4. Transport" .POL AT (751,4630) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> THICKNESS 1 PNTS (0,0)(1999,0)(1999,500)(0,500)(0,0) .TXT AT (750,4690) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 PNTS (0,1)(2001,0)(2001,500)(0,500)(0,1) .STR "3. Network" .POL AT (751,5379) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> THICKNESS 1 PNTS (0,0)(1999,0)(1999,500)(0,500)(0,0) .TXT AT (750,5439) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 PNTS (0,1)(2001,0)(2001,500)(0,500)(0,1) .STR "2. Link" .POL AT (751,6130) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> THICKNESS 1 PNTS (0,0)(1999,0)(1999,500)(0,500)(0,0) .TXT AT (750,6190) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 PNTS (0,1)(2001,0)(2001,500)(0,500)(0,1) .STR "1. Physical" .POL AT (7499,1691) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> THICKNESS 1 PNTS (0,0)(1999,0)(1999,500)(0,500)(0,0) .TXT AT (7498,1751) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 PNTS (0,1)(2001,0)(2001,500)(0,500)(0,1) .STR "7. Application" .POL AT (7500,2379) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> THICKNESS 1 PNTS (0,0)(1999,0)(1999,500)(0,500)(0,0) .TXT AT (7499,2439) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 PNTS (0,1)(2001,0)(2001,500)(0,500)(0,1) .STR "6. Presentation" .POL AT (7500,3130) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> THICKNESS 1 PNTS (0,0)(1999,0)(1999,500)(0,500)(0,0) .TXT AT (7499,3190) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 PNTS (0,1)(2001,0)(2001,500)(0,500)(0,1) .STR "5. Session" .POL AT (7500,3879) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> THICKNESS 1 PNTS (0,0)(1999,0)(1999,500)(0,500)(0,0) .TXT AT (7499,3939) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 PNTS (0,1)(2001,0)(2001,500)(0,500)(0,1) .STR "4. Transport" .POL AT (7500,4630) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> THICKNESS 1 PNTS (0,0)(1999,0)(1999,500)(0,500)(0,0) .TXT AT (7499,4690) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 PNTS (0,1)(2001,0)(2001,500)(0,500)(0,1) .STR "3. Network" .POL AT (7500,5379) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> THICKNESS 1 PNTS (0,0)(1999,0)(1999,500)(0,500)(0,0) .TXT AT (7499,5439) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 PNTS (0,1)(2001,0)(2001,500)(0,500)(0,1) .STR "2. Link" .POL AT (7500,6130) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> THICKNESS 1 PNTS (0,0)(1999,0)(1999,500)(0,500)(0,0) .TXT AT (7499,6190) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 PNTS (0,1)(2001,0)(2001,500)(0,500)(0,1) .STR "1. Physical" .TMP AT (103,84) RECOLOR ON TEMPLATE_FLAGS <1 1 0 0> T_POS <103 84 9891 1922> .TXT AT (283,217) RECOLOR ON TEMPLATED ON BACKFILL <7 7 0 0 0 0 0> THICKNESS 1 PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 611 0> SIZE 440000 BOLD ON HOR_JUST CENTER L_SPACE 611 MARGINS <0 0 0 0> TXTXYOFF <0 449> T_PNTS (0,449)(0,0)(9331,0)(9331,1192)(0,1192)(0,449)(9331,449) H_SPACE 9789 .STR "The OSI model\n(Open Systems Interconnection)" END PICTURE NOTES .GRP BACKFILL <0 0 5 1000 0 0 0> V_SPACE <0 250 0> SIZE 180000 BOLD OFF HOR_JUST LEFT L_SPACE 250 MARGINS <125 125 250 62> .TMP AT (250,250) RECOLOR ON TEMPLATE_FLAGS <5 14 0 0> T_POS <250 250 7249 4875> .VOID .TMP AT (250,5125) RECOLOR ON TEMPLATE_FLAGS <6 15 0 0> T_POS <250 5125 7249 9749> .VOID END .GRP END NOTES SLIDE_INFO SLIDE_STYLE <0 -1 1> LAYOUT_ID <1 2 12 12 12> END SLIDE_INFO PICTURE .TMP AT (103,84) RECOLOR ON TEMPLATE_FLAGS <1 0 0 0> T_POS <103 84 9891 1922> .TXT AT (2848,218) RECOLOR ON TEMPLATED ON BACKFILL <7 7 0 0 0 0 0> V_SPACE <0 611 0> SIZE 440000 BOLD ON HOR_JUST CENTER L_SPACE 611 MARGINS <0 0 0 0> TXTXYOFF <-6 449> T_PNTS (0,448)(0,-1)(4214,-1)(4214,462)(0,462)(0,448)(4214,448) .STR "The OSI model" .TMP AT (103,2089) RECOLOR ON TEMPLATE_FLAGS <2 3 0 0> T_POS <103 2089 9891 7369> .TXT AT (60,2179) RECOLOR ON TEMPLATED ON BACKFILL <20 20 0 19 0 0 0> PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 BOLD OFF HOR_JUST LEFT L_SPACE 444 TXTXYOFF <7 323> T_PNTS (5,323)(5,0)(9108,0)(9108,1774)(5,1774)(5,323)(9108,323) .STR "A generic model, not a specific protocol" .STR "\nBreaks down networking into simpler parts" .STR "\nHelps us understand, discuss and compare networks" END PICTURE NOTES .GRP BACKFILL <0 0 5 1000 0 0 0> PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 250 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> .TMP AT (250,250) RECOLOR ON TEMPLATE_FLAGS <5 14 0 0> T_POS <250 250 7249 4875> .VOID .TMP AT (250,5125) RECOLOR ON TEMPLATE_FLAGS <6 15 0 0> T_POS <250 5125 7249 9749> .VOID END .GRP END NOTES SLIDE_INFO SLIDE_STYLE <0 -1 1> LAYOUT_ID <1 2 12 12 12> END SLIDE_INFO PICTURE .POL AT (1500,4750) RECOLOR ON BACKFILL <34 2 0 0 0 0 0> PARA <0 0 0 0 1000 34 0 111> PNTS (0,250)(0,0)(250,0)(250,250)(750,250)(750,0)(1000,0)(1000,250) (1250,250)(1250,0)(2000,0)(2000,250)(2250,250)(2250,0)(2500,0) (2500,250)(3000,250)(3000,0)(4000,0)(4000,250)(4250,250)(4250,0) (4500,0) .TXT AT (1547,5048) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 MARGINS <0 0 0 0> TXTXYOFF <-24 175> T_PNTS (0,175)(0,0)(64,0)(64,176)(0,176)(0,175)(64,175) H_SPACE 0 .STR "1" .TXT AT (2294,5044) RECOLOR ON FLD_XYSCALE <10000 9886> TXTXYOFF <-24 173> T_PNTS (0,173)(0,0)(64,0)(64,174)(0,174)(0,173)(64,173) .STR FLD_XYSCALE <10000 10000> "1" .TXT AT (2810,5036) RECOLOR ON FLD_XYSCALE <10000 9829> TXTXYOFF <-24 172> T_PNTS (0,172)(0,0)(64,0)(64,173)(0,173)(0,172)(64,172) .STR FLD_XYSCALE <10000 10000> "1" .TXT AT (3056,5036) RECOLOR ON FLD_XYSCALE <10000 9829> T_PNTS (0,172)(0,0)(64,0)(64,173)(0,173)(0,172)(64,172) .STR FLD_XYSCALE <10000 10000> "1" .TXT AT (3304,5044) RECOLOR ON FLD_XYSCALE <10000 9772> TXTXYOFF <-24 171> T_PNTS (0,171)(0,0)(64,0)(64,172)(0,172)(0,171)(64,171) .STR FLD_XYSCALE <10000 10000> "1" .TXT AT (3818,5030) RECOLOR ON FLD_XYSCALE <10000 9715> TXTXYOFF <-24 170> T_PNTS (0,170)(0,0)(64,0)(64,171)(0,171)(0,170)(64,170) .STR FLD_XYSCALE <10000 10000> "1" .TXT AT (4564,5043) RECOLOR ON FLD_XYSCALE <10000 9658> TXTXYOFF <-24 169> T_PNTS (0,169)(0,0)(64,0)(64,170)(0,170)(0,169)(64,169) .STR FLD_XYSCALE <10000 10000> "1" .TXT AT (4814,5038) RECOLOR ON FLD_XYSCALE <10000 9601> TXTXYOFF <-24 168> T_PNTS (0,168)(0,0)(64,0)(64,169)(0,169)(0,168)(64,168) .STR FLD_XYSCALE <10000 10000> "1" .TXT AT (5064,5038) RECOLOR ON FLD_XYSCALE <10000 9601> T_PNTS (0,168)(0,0)(64,0)(64,169)(0,169)(0,168)(64,168) .STR FLD_XYSCALE <10000 10000> "1" .TXT AT (5310,5028) RECOLOR ON FLD_XYSCALE <10000 9544> TXTXYOFF <-24 167> T_PNTS (0,167)(0,0)(64,0)(64,168)(0,168)(0,167)(64,167) .STR FLD_XYSCALE <10000 10000> "1" .TXT AT (5810,5035) RECOLOR ON FLD_XYSCALE <10000 9487> TXTXYOFF <-24 166> T_PNTS (0,166)(0,0)(64,0)(64,167)(0,167)(0,166)(64,166) .STR FLD_XYSCALE <10000 10000> "1" .TXT AT (1798,5042) RECOLOR ON TXTXYOFF <-9 175> T_PNTS (0,175)(0,0)(121,0)(121,181)(0,181)(0,175)(121,175) .STR "0" .TXT AT (2046,5039) RECOLOR ON T_PNTS (0,175)(0,0)(121,0)(121,181)(0,181)(0,175)(121,175) .STR "0" .TXT AT (2546,5039) RECOLOR ON T_PNTS (0,175)(0,0)(121,0)(121,181)(0,181)(0,175)(121,175) .STR "0" .TXT AT (3541,5031) RECOLOR ON T_PNTS (0,175)(0,0)(121,0)(121,181)(0,181)(0,175)(121,175) .STR "0" .TXT AT (4038,5031) RECOLOR ON T_PNTS (0,175)(0,0)(121,0)(121,181)(0,181)(0,175)(121,175) .STR "0" .TXT AT (4286,5031) RECOLOR ON T_PNTS (0,175)(0,0)(121,0)(121,181)(0,181)(0,175)(121,175) .STR "0" .TXT AT (5563,5031) RECOLOR ON T_PNTS (0,175)(0,0)(121,0)(121,181)(0,181)(0,175)(121,175) .STR "0" .TXT AT (121,5896) RECOLOR ON BACKFILL <20 20 0 19 0 0 0> THICKNESS 1 PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 L_SPACE 444 TXTXYOFF <7 323> T_PNTS (0,323)(0,0)(6390,0)(6390,421)(0,421)(0,323)(6390,323) H_SPACE 9789 .STR "No concept of bytes or frames" .TMP AT (103,84) RECOLOR ON TEMPLATE_FLAGS <1 0 0 0> T_POS <103 84 9891 1922> .TXT AT (1549,228) RECOLOR ON TEMPLATED ON BACKFILL <7 7 0 0 0 0 0> PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 611 0> SIZE 440000 BOLD ON HOR_JUST CENTER L_SPACE 611 TXTXYOFF <-48 438> T_PNTS (2,438)(2,0)(6885,0)(6885,570)(2,570)(2,438)(6885,438) .STR "Layer 1 - Physical Layer" .TMP AT (103,2089) RECOLOR ON TEMPLATE_FLAGS <2 3 0 0> T_POS <103 2089 9891 7369> .TXT AT (57,2176) RECOLOR ON TEMPLATED ON BACKFILL <20 20 0 19 0 0 0> PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 BOLD OFF HOR_JUST LEFT L_SPACE 444 TXTXYOFF <7 323> T_PNTS (5,323)(5,0)(9178,0)(9178,1804)(5,1804)(5,323)(9178,323) .STR "Transfers stream of " .STR ITALICS ON "bits" .STR ITALICS OFF " from A to B" .STR "\nDefines connectors, type of cable, maximum length, topology, voltages for 0 and 1, speed (bits per second)" END PICTURE NOTES .GRP BACKFILL <0 0 5 1000 0 0 0> PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 250 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> .TMP AT (250,250) RECOLOR ON TEMPLATE_FLAGS <5 14 0 0> T_POS <250 250 7249 4875> .VOID .TMP AT (250,5125) RECOLOR ON TEMPLATE_FLAGS <6 15 0 0> T_POS <250 5125 7249 9749> .VOID END .GRP END NOTES SLIDE_INFO SLIDE_STYLE <0 -1 1> LAYOUT_ID <1 2 12 12 12> END SLIDE_INFO PICTURE .TXT AT (239,5736) RECOLOR ON BACKFILL <20 20 0 19 0 0 0> PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 L_SPACE 444 MARGINS <0 0 0 0> TXTXYOFF <7 326> T_PNTS (0,326)(0,0)(9091,0)(9091,1339)(0,1339)(0,326)(9091,326) .STR "Some layer 2's detect corrupted frames\nSome layer 2's retransm it corrupted frames " .STR SIZE 240000 "(but " .STR ITALICS ON "not" .STR ITALICS OFF " ethernet)" .RECT AT (999,4750) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> PARA <0 0 0 0 1000 34 0 111> V_SPACE <0 250 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> PNTS (0,0)(500,0)(500,500)(0,500)(0,0) .RECT AT (2498,4750) RECOLOR ON PNTS (0,0)(500,0)(500,500)(0,500)(0,0) .RECT AT (3997,4750) RECOLOR ON PNTS (0,0)(500,0)(500,500)(0,500)(0,0) .RECT AT (5499,4750) RECOLOR ON PNTS (0,0)(500,0)(500,500)(0,500)(0,0) .RECT AT (6995,4750) RECOLOR ON PNTS (0,0)(500,0)(500,500)(0,500)(0,0) .RECT AT (8494,4750) RECOLOR ON PNTS (0,0)(500,0)(500,500)(0,500)(0,0) .LINE AT (1250,4250) RECOLOR ON PNTS (0,500)(0,0) .LINE AT (2749,4250) RECOLOR ON PNTS (0,499)(0,0) .LINE AT (4248,4250) RECOLOR ON PNTS (0,499)(0,0) .LINE AT (5747,4249) RECOLOR ON PNTS (0,498)(0,0) .LINE AT (7246,4249) RECOLOR ON PNTS (0,498)(0,0) .LINE AT (8745,4248) RECOLOR ON PNTS (0,497)(0,0) .LINE AT (1250,4250) RECOLOR ON PNTS (0,0)(7500,0) .ELL AT (2502,4500) RECOLOR ON BACKFILL <34 2 0 0 0 0 0> THICKNESS 56 R_ARROW 1 START_ANGLE 3079 END_ANGLE 3954 PNTS (0,0)(3998,0)(3998,1500)(0,1500)(0,0) .TMP AT (103,84) RECOLOR ON TEMPLATE_FLAGS <1 0 0 0> T_POS <103 84 9891 1922> .TXT AT (2155,228) RECOLOR ON TEMPLATED ON BACKFILL <7 7 0 0 0 0 0> THICKNESS 1 R_ARROW 0 PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 611 0> SIZE 440000 BOLD ON HOR_JUST CENTER L_SPACE 611 MARGINS <0 0 0 0> TXTXYOFF <-48 438> T_PNTS (2,438)(2,0)(5665,0)(5665,570)(2,570)(2,438)(5665,438) .STR "Layer 2 - Link Layer" .TMP AT (103,2089) RECOLOR ON TEMPLATE_FLAGS <2 3 0 0> T_POS <103 2089 9891 7369> .TXT AT (226,1659) RECOLOR ON TEMPLATED ON BACKFILL <20 20 0 19 0 0 0> PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 BOLD OFF HOR_JUST LEFT L_SPACE 444 TXTXYOFF <7 326> T_PNTS (5,326)(5,0)(8961,0)(8961,2279)(5,2279)(5,326)(8961,326) .STR "Send data between adjacent machines" .STR "\nOrganise bits into bytes and frames" .STR PARA <-500 1000 -500 1 1000 0 2 108> V_SPACE <28 389 0> SIZE 280000 "\n\tSpecial bit patterns as delimiters" .STR PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 "\nAddress frames to a specific machine on a shared (broadcast) medium" END PICTURE NOTES .GRP BACKFILL <0 0 5 1000 0 0 0> PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 250 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> .TMP AT (250,250) RECOLOR ON TEMPLATE_FLAGS <5 14 0 0> T_POS <250 250 7249 4875> .VOID .TMP AT (250,5125) RECOLOR ON TEMPLATE_FLAGS <6 15 0 0> T_POS <250 5125 7249 9749> .VOID END .GRP END NOTES SLIDE_INFO SLIDE_STYLE <0 -1 1> LAYOUT_ID <1 2 12 12 12> END SLIDE_INFO PICTURE .LINE AT (4748,6249) RECOLOR ON BACKFILL <11 2 5 1000 0 0 0> LINEFILL <7 21 5 1000 0 0 0> THICKNESS 139 STYLE 1 PARA <0 0 0 0 1000 34 0 111> PNTS (0,0)(1752,0) .LINE AT (1105,5751) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> LINEFILL <34 21 5 1000 0 0 0> THICKNESS 56 STYLE 0 PNTS (0,0)(1499,0) .LINE AT (1105,5750) RECOLOR ON PNTS (0,0)(0,250) .LINE AT (1603,5751) RECOLOR ON PNTS (0,0)(0,250) .LINE AT (2104,5751) RECOLOR ON PNTS (0,0)(0,250) .LINE AT (2604,5751) RECOLOR ON PNTS (0,0)(0,250) .RECT AT (1001,6000) RECOLOR ON LINEFILL <21 21 5 1000 0 0 0> THICKNESS 1 PNTS (0,0)(250,0)(250,250)(0,250)(0,0) .RECT AT (1499,6001) RECOLOR ON PNTS (0,0)(250,0)(250,250)(0,250)(0,0) .RECT AT (1999,6001) RECOLOR ON PNTS (0,0)(250,0)(250,250)(0,250)(0,0) .RECT AT (2501,6002) RECOLOR ON PNTS (0,0)(500,0)(500,499)(0,499)(0,0) .LINE AT (2857,5751) RECOLOR ON BACKFILL <11 2 5 1000 0 0 0> LINEFILL <11 21 5 1000 0 0 0> THICKNESS 56 PNTS (0,0)(1499,0) .LINE AT (2857,5750) RECOLOR ON PNTS (0,0)(0,250) .LINE AT (3355,5751) RECOLOR ON PNTS (0,0)(0,250) .LINE AT (3856,5751) RECOLOR ON PNTS (0,0)(0,250) .LINE AT (4356,5751) RECOLOR ON PNTS (0,0)(0,250) .RECT AT (3251,6001) RECOLOR ON LINEFILL <21 21 5 1000 0 0 0> THICKNESS 1 PNTS (0,0)(250,0)(250,250)(0,250)(0,0) .RECT AT (3751,6001) RECOLOR ON PNTS (0,0)(250,0)(250,250)(0,250)(0,0) .RECT AT (4251,6002) RECOLOR ON PNTS (0,0)(499,0)(499,499)(0,499)(0,0) .LINE AT (6854,5751) RECOLOR ON BACKFILL <27 2 5 1000 0 0 0> LINEFILL <27 21 5 1000 0 0 0> THICKNESS 56 PNTS (0,0)(1499,0) .LINE AT (6854,5750) RECOLOR ON PNTS (0,0)(0,250) .LINE AT (7352,5751) RECOLOR ON PNTS (0,0)(0,250) .LINE AT (7853,5751) RECOLOR ON PNTS (0,0)(0,250) .LINE AT (8353,5751) RECOLOR ON PNTS (0,0)(0,250) .RECT AT (7248,6001) RECOLOR ON LINEFILL <21 21 5 1000 0 0 0> THICKNESS 1 PNTS (0,0)(250,0)(250,250)(0,250)(0,0) .RECT AT (7748,6001) RECOLOR ON PNTS (0,0)(250,0)(250,250)(0,250)(0,0) .RECT AT (8248,6001) RECOLOR ON PNTS (0,0)(250,0)(250,250)(0,250)(0,0) .RECT AT (6500,6002) RECOLOR ON PNTS (0,0)(499,0)(499,499)(0,499)(0,0) .ELL AT (1499,5584) RECOLOR ON BACKFILL <34 2 0 0 0 0 0> THICKNESS 56 R_ARROW 1 PNTS (0,0)(1500,0)(1500,3000)(0,3000)(0,0) .ELL AT (2748,5597) RECOLOR ON PNTS (0,0)(2002,0)(2002,3000)(0,3000)(0,0) .ELL AT (4497,5748) RECOLOR ON PNTS (0,0)(2503,0)(2503,1502)(0,1502)(0,0) .ELL AT (6745,5577) RECOLOR ON PNTS (0,0)(1255,0)(1255,3000)(0,3000)(0,0) .TMP AT (103,84) RECOLOR ON TEMPLATE_FLAGS <1 0 0 0> T_POS <103 84 9891 1922> .TXT AT (1586,228) RECOLOR ON TEMPLATED ON BACKFILL <7 7 0 0 0 0 0> THICKNESS 1 R_ARROW 0 PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 611 0> SIZE 440000 BOLD ON HOR_JUST CENTER L_SPACE 611 MARGINS <0 0 0 0> TXTXYOFF <-48 438> T_PNTS (2,438)(2,0)(6813,0)(6813,570)(2,570)(2,438)(6813,438) .STR "Layer 3 - Network Layer" .TMP AT (103,2089) RECOLOR ON TEMPLATE_FLAGS <2 3 0 0> T_POS <103 2089 9891 7369> .TXT AT (57,2173) RECOLOR ON TEMPLATED ON BACKFILL <20 20 0 19 0 0 0> PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 BOLD OFF HOR_JUST LEFT L_SPACE 444 TXTXYOFF <7 326> T_PNTS (5,326)(5,0)(8855,0)(8855,2368)(5,2368)(5,326)(8855,326) .STR "Send data through multiple hops to far distant networks - \"int ernetwork\"" .STR "\nMove data between different Layer 2 types" .STR "\nUniform numbering scheme" .STR "\nGlobally scalable" END PICTURE NOTES .GRP BACKFILL <0 0 5 1000 0 0 0> PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 250 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> .TMP AT (250,250) RECOLOR ON TEMPLATE_FLAGS <5 14 0 0> T_POS <250 250 7249 4875> .VOID .TMP AT (250,5125) RECOLOR ON TEMPLATE_FLAGS <6 15 0 0> T_POS <250 5125 7249 9749> .VOID END .GRP END NOTES SLIDE_INFO SLIDE_STYLE <0 -1 1> LAYOUT_ID <0 1 2 3 3> END SLIDE_INFO PICTURE .TMP AT (103,84) RECOLOR ON TEMPLATE_FLAGS <1 1 0 0> T_POS <103 84 9891 1922> .TXT AT (2402,254) RECOLOR ON TEMPLATED ON BACKFILL <7 7 0 0 0 0 0> V_SPACE <0 611 0> SIZE 440000 BOLD ON HOR_JUST CENTER L_SPACE 611 MARGINS <0 0 0 0> TXTXYOFF <-46 438> T_PNTS (2,438)(2,0)(5211,0)(5211,570)(2,570)(2,438)(5211,438) .STR "Building networks" END PICTURE NOTES .GRP BACKFILL <34 0 5 1000 0 0 0> V_SPACE <0 250 0> SIZE 180000 BOLD OFF HOR_JUST LEFT L_SPACE 250 MARGINS <125 125 250 62> .TMP AT (250,250) RECOLOR ON TEMPLATE_FLAGS <5 14 0 0> T_POS <250 250 7249 4875> .VOID .TMP AT (250,5125) RECOLOR ON TEMPLATE_FLAGS <6 15 0 0> T_POS <250 5125 7249 9749> .VOID END .GRP END NOTES SLIDE_INFO SLIDE_STYLE <0 -1 1> LAYOUT_ID <0 1 2 3 3> END SLIDE_INFO PICTURE .LINE AT (2492,3079) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> PARA <0 0 0 0 1000 34 0 111> PNTS (0,0)(0,1500) .LINE AT (7244,3080) RECOLOR ON PNTS (0,0)(0,1500) .TXT AT (2751,314) RECOLOR ON BACKFILL <7 7 0 0 0 0 0> PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 611 0> SIZE 440000 BOLD ON HOR_JUST CENTER L_SPACE 611 MARGINS <0 0 0 0> T_PNTS (0,438)(0,0)(4956,0)(4956,569)(0,569)(0,438)(4956,438) .STR "Repeaters (Hubs)" .POL AT (2491,5079) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> PARA <0 0 0 0 1000 34 0 111> V_SPACE <0 250 0> SIZE 180000 BOLD OFF HOR_JUST LEFT L_SPACE 250 MARGINS <125 125 250 62> PNTS (0,0)(1,0) .POL AT (2491,4580) RECOLOR ON BACKFILL <34 2 0 0 0 0 0> PNTS (0,0)(0,500)(2000,500)(2000,0)(2000,0) .POL AT (5243,4581) RECOLOR ON PNTS (0,0)(0,500)(2000,500)(2000,0)(2000,0) .RECT AT (1993,2830) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> PNTS (0,0)(998,0)(998,502)(0,502)(0,0) .RECT AT (1994,3582) RECOLOR ON PNTS (0,0)(998,0)(998,499)(0,499)(0,0) .RECT AT (1994,4330) RECOLOR ON PNTS (0,0)(998,0)(998,499)(0,499)(0,0) .POL AT (4390,4326) RECOLOR ON PNTS (0,0)(998,0)(998,502)(0,502)(0,0) .RECT AT (6745,2831) RECOLOR ON PNTS (0,0)(998,0)(998,502)(0,502)(0,0) .RECT AT (6746,3583) RECOLOR ON PNTS (0,0)(998,0)(998,499)(0,499)(0,0) .RECT AT (6746,4331) RECOLOR ON PNTS (0,0)(998,0)(998,499)(0,499)(0,0) .TXT AT (2253,4460) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 BOLD ON HOR_JUST CENTER MARGINS <0 0 0 0> TXTXYOFF <-18 179> T_PNTS (0,179)(0,0)(444,0)(444,184)(0,184)(0,179)(444,179) H_SPACE 0 .STR "Bits" .TXT AT (4658,4477) RECOLOR ON T_PNTS (0,179)(0,0)(444,0)(444,184)(0,184)(0,179)(444,179) .STR "Bits" .TXT AT (7036,4492) RECOLOR ON T_PNTS (0,179)(0,0)(444,0)(444,184)(0,184)(0,179)(444,179) .STR "Bits" END PICTURE NOTES .GRP BACKFILL <34 0 5 1000 0 0 0> THICKNESS 1 PARA <0 0 0 0 1000 1 0 111> BOLD OFF HOR_JUST LEFT MARGINS <125 125 250 62> .TMP AT (250,250) RECOLOR ON TEMPLATE_FLAGS <5 14 0 0> T_POS <250 250 7249 4875> .VOID .TMP AT (250,5125) RECOLOR ON TEMPLATE_FLAGS <6 15 0 0> T_POS <250 5125 7249 9749> .VOID END .GRP END NOTES SLIDE_INFO SLIDE_STYLE <0 -1 1> LAYOUT_ID <0 1 2 3 3> END SLIDE_INFO PICTURE .LINE AT (2465,3072) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> PARA <0 0 0 0 1000 34 0 111> PNTS (0,0)(0,1500) .LINE AT (7714,3073) RECOLOR ON PNTS (0,0)(0,1500) .TXT AT (2249,302) RECOLOR ON BACKFILL <7 7 0 0 0 0 0> PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 611 0> SIZE 440000 BOLD ON HOR_JUST CENTER L_SPACE 611 MARGINS <0 0 0 0> TXTXYOFF <-24 449> T_PNTS (0,449)(0,0)(5886,0)(5886,581)(0,581)(0,449)(5886,449) H_SPACE 9789 .STR "Switching (Bridging)" .POL AT (2464,5072) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> PARA <0 0 0 0 1000 34 0 111> V_SPACE <0 250 0> SIZE 180000 BOLD OFF HOR_JUST LEFT L_SPACE 250 MARGINS <125 125 250 62> PNTS (0,0)(1,0) .POL AT (2464,4573) RECOLOR ON BACKFILL <34 2 0 0 0 0 0> PNTS (0,0)(0,500)(2000,500)(2000,0)(2000,0) .POL AT (5713,4574) RECOLOR ON PNTS (0,0)(0,500)(2000,500)(2000,0)(2000,0) .POL AT (4714,3822) RECOLOR ON THICKNESS 28 PNTS (0,750)(0,0)(750,0)(750,750)(750,750) .RECT AT (1966,2823) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> THICKNESS 1 PNTS (0,0)(998,0)(998,502)(0,502)(0,0) .RECT AT (1967,3575) RECOLOR ON PNTS (0,0)(998,0)(998,499)(0,499)(0,0) .RECT AT (1967,4323) RECOLOR ON PNTS (0,0)(998,0)(998,499)(0,499)(0,0) .RECT AT (4573,3570) RECOLOR ON PNTS (0,0)(998,0)(998,502)(0,502)(0,0) .RECT AT (3966,4320) RECOLOR ON PNTS (0,0)(998,0)(998,499)(0,499)(0,0) .RECT AT (5215,4320) RECOLOR ON PNTS (0,0)(998,0)(998,499)(0,499)(0,0) .RECT AT (7215,2824) RECOLOR ON PNTS (0,0)(998,0)(998,502)(0,502)(0,0) .RECT AT (7216,3576) RECOLOR ON PNTS (0,0)(998,0)(998,499)(0,499)(0,0) .RECT AT (7216,4324) RECOLOR ON PNTS (0,0)(998,0)(998,499)(0,499)(0,0) .TXT AT (1966,3736) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 BOLD ON HOR_JUST CENTER MARGINS <0 0 0 0> TXTXYOFF <-18 179> T_PNTS (0,179)(0,0)(987,0)(987,184)(0,184)(0,179)(987,179) H_SPACE 0 .STR "Ethernet" .TXT AT (4591,3739) RECOLOR ON T_PNTS (0,179)(0,0)(987,0)(987,184)(0,184)(0,179)(987,179) .STR "Ethernet" .TXT AT (7205,3710) RECOLOR ON T_PNTS (0,179)(0,0)(987,0)(987,184)(0,184)(0,179)(987,179) .STR "Ethernet" END PICTURE NOTES .GRP BACKFILL <34 0 5 1000 0 0 0> THICKNESS 1 PARA <0 0 0 0 1000 1 0 111> BOLD OFF HOR_JUST LEFT MARGINS <125 125 250 62> .TMP AT (250,250) RECOLOR ON TEMPLATE_FLAGS <5 14 0 0> T_POS <250 250 7249 4875> .VOID .TMP AT (250,5125) RECOLOR ON TEMPLATE_FLAGS <6 15 0 0> T_POS <250 5125 7249 9749> .VOID END .GRP END NOTES SLIDE_INFO SLIDE_STYLE <0 -1 1> LAYOUT_ID <0 1 2 3 3> END SLIDE_INFO PICTURE .LINE AT (9251,1823) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> THICKNESS 28 PARA <0 0 0 0 1000 34 0 111> PNTS (0,0)(0,4500) .LINE AT (752,1822) RECOLOR ON PNTS (0,0)(0,4500) .TXT AT (749,313) RECOLOR ON BACKFILL <7 7 0 0 0 0 0> THICKNESS 1 PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 611 0> SIZE 440000 BOLD ON HOR_JUST CENTER L_SPACE 611 MARGINS <0 0 0 0> TXTXYOFF <-39 438> T_PNTS (0,438)(0,0)(8496,0)(8496,570)(0,570)(0,438)(8496,438) H_SPACE 9789 .STR "IP Forwarding - multiple hops" .POL AT (253,1573) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> PARA <0 0 0 0 1000 34 0 111> V_SPACE <0 250 0> SIZE 180000 BOLD OFF HOR_JUST LEFT L_SPACE 250 MARGINS <125 125 250 62> PNTS (0,0)(999,0)(999,497)(0,497)(0,0) .RECT AT (253,2325) RECOLOR ON PNTS (0,0)(998,0)(998,502)(0,502)(0,0) .RECT AT (254,3077) RECOLOR ON PNTS (0,0)(998,0)(998,499)(0,499)(0,0) .POL AT (254,3820) RECOLOR ON PNTS (0,0)(999,0)(999,497)(0,497)(0,0) .RECT AT (254,4572) RECOLOR ON PNTS (0,0)(998,0)(998,502)(0,502)(0,0) .RECT AT (255,5324) RECOLOR ON PNTS (0,0)(998,0)(998,499)(0,499)(0,0) .POL AT (8752,1573) RECOLOR ON PNTS (0,0)(999,0)(999,497)(0,497)(0,0) .RECT AT (8752,2325) RECOLOR ON PNTS (0,0)(998,0)(998,502)(0,502)(0,0) .RECT AT (8753,3077) RECOLOR ON PNTS (0,0)(998,0)(998,499)(0,499)(0,0) .POL AT (8753,3820) RECOLOR ON PNTS (0,0)(999,0)(999,497)(0,497)(0,0) .RECT AT (8753,4572) RECOLOR ON PNTS (0,0)(998,0)(998,502)(0,502)(0,0) .RECT AT (8754,5324) RECOLOR ON PNTS (0,0)(998,0)(998,499)(0,499)(0,0) .POL AT (752,6821) RECOLOR ON PNTS (0,0)(1,0) .POL AT (752,5572) RECOLOR ON BACKFILL <34 2 0 0 0 0 0> THICKNESS 28 PNTS (0,750)(0,1250)(2000,1250)(2000,0)(2000,0)(2000,0)(2000,0)(2000,0) (2000,0) .POL AT (7249,5573) RECOLOR ON PNTS (2000,750)(2000,1250)(0,1250)(0,0)(0,0)(0,0)(0,0)(0,0)(0,0) .POL AT (4002,5572) RECOLOR ON PNTS (0,0)(0,1250)(2000,1250)(2000,0)(2000,0) .POL AT (5252,3822) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> THICKNESS 1 PNTS (0,0)(1,0) .POL AT (3002,4822) RECOLOR ON BACKFILL <34 2 0 0 0 0 0> THICKNESS 28 PNTS (0,750)(0,0)(750,0)(750,750)(750,750) .POL AT (6251,4823) RECOLOR ON PNTS (0,750)(0,0)(750,0)(750,750)(750,750) .RECT AT (255,6072) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> THICKNESS 1 PNTS (0,0)(998,0)(998,499)(0,499)(0,0) .RECT AT (2888,4568) RECOLOR ON PNTS (0,0)(998,0)(998,502)(0,502)(0,0) .RECT AT (2254,5321) RECOLOR ON PNTS (0,0)(998,0)(998,499)(0,499)(0,0) .RECT AT (2254,6069) RECOLOR ON PNTS (0,0)(998,0)(998,499)(0,499)(0,0) .RECT AT (3503,5321) RECOLOR ON PNTS (0,0)(998,0)(998,499)(0,499)(0,0) .RECT AT (3503,6069) RECOLOR ON PNTS (0,0)(998,0)(998,499)(0,499)(0,0) .RECT AT (6138,4568) RECOLOR ON PNTS (0,0)(998,0)(998,502)(0,502)(0,0) .RECT AT (5504,5321) RECOLOR ON PNTS (0,0)(998,0)(998,499)(0,499)(0,0) .RECT AT (5504,6069) RECOLOR ON PNTS (0,0)(998,0)(998,499)(0,499)(0,0) .RECT AT (6753,5321) RECOLOR ON PNTS (0,0)(998,0)(998,499)(0,499)(0,0) .RECT AT (6753,6069) RECOLOR ON PNTS (0,0)(998,0)(998,499)(0,499)(0,0) .RECT AT (8754,6072) RECOLOR ON PNTS (0,0)(998,0)(998,499)(0,499)(0,0) .TXT AT (652,4708) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 BOLD ON HOR_JUST CENTER MARGINS <0 0 0 0> TXTXYOFF <-15 179> T_PNTS (0,179)(0,0)(210,0)(210,180)(0,180)(0,179)(210,179) H_SPACE 0 .STR "IP" .TXT AT (3284,4725) RECOLOR ON T_PNTS (0,179)(0,0)(210,0)(210,180)(0,180)(0,179)(210,179) .STR "IP" .TXT AT (6525,4725) RECOLOR ON T_PNTS (0,179)(0,0)(210,0)(210,180)(0,180)(0,179)(210,179) .STR "IP" .TXT AT (9185,4725) RECOLOR ON T_PNTS (0,179)(0,0)(210,0)(210,180)(0,180)(0,179)(210,179) .STR "IP" END PICTURE NOTES .GRP BACKFILL <34 0 5 1000 0 0 0> THICKNESS 1 PARA <0 0 0 0 1000 1 0 111> BOLD OFF HOR_JUST LEFT MARGINS <125 125 250 62> .TMP AT (250,250) RECOLOR ON TEMPLATE_FLAGS <5 14 0 0> T_POS <250 250 7249 4875> .VOID .TMP AT (250,5125) RECOLOR ON TEMPLATE_FLAGS <6 15 0 0> T_POS <250 5125 7249 9749> .VOID END .GRP END NOTES SLIDE_INFO SLIDE_STYLE <0 -1 1> LAYOUT_ID <1 2 12 12 12> END SLIDE_INFO PICTURE .TMP AT (103,84) RECOLOR ON TEMPLATE_FLAGS <1 0 0 0> T_POS <103 84 9891 1922> .TXT AT (1901,226) RECOLOR ON TEMPLATED ON BACKFILL <7 7 0 0 0 0 0> V_SPACE <0 611 0> SIZE 440000 BOLD ON HOR_JUST CENTER L_SPACE 611 MARGINS <0 0 0 0> TXTXYOFF <-6 438> T_PNTS (0,438)(0,0)(6112,0)(6112,570)(0,570)(0,438)(6112,438) H_SPACE 9789 .STR "The Hourglass Model" .TXT AT (4691,3749) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 PARA <0 0 0 0 1000 34 0 111> V_SPACE <0 667 0> SIZE 480000 HOR_JUST LEFT L_SPACE 667 TXTXYOFF <-43 477> T_PNTS (0,477)(0,0)(558,0)(558,478)(0,478)(0,477)(558,477) H_SPACE 0 .STR L_SPACE 250 "IP" .LINE AT (3000,4499) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> THICKNESS 1 V_SPACE <0 250 0> SIZE 180000 BOLD OFF MARGINS <125 125 250 62> PNTS (1500,0)(0,2000) .LINE AT (5249,4497) RECOLOR ON PNTS (0,0)(1502,2002) .LINE AT (2999,1500) RECOLOR ON PNTS (0,0)(1505,2002) .LINE AT (5249,1501) RECOLOR ON PNTS (1500,0)(0,2000) .TXT AT (3579,1701) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 V_SPACE <0 389 0> SIZE 280000 L_SPACE 389 MARGINS <0 0 0 0> TXTXYOFF <-1 278> T_PNTS (0,278)(0,0)(781,0)(781,284)(0,284)(0,278)(781,278) .STR L_SPACE 250 "Web" .TXT AT (4333,2198) RECOLOR ON L_SPACE 389 TXTXYOFF <-31 278> T_PNTS (0,278)(0,0)(653,0)(653,284)(0,284)(0,278)(653,278) .STR L_SPACE 250 "Mail" .TXT AT (4545,1471) RECOLOR ON L_SPACE 389 TXTXYOFF <0 278> T_PNTS (0,278)(0,0)(954,0)(954,284)(0,284)(0,278)(954,278) .STR L_SPACE 250 "Voice" .TXT AT (5131,1975) RECOLOR ON L_SPACE 389 TXTXYOFF <-1 278> T_PNTS (0,278)(0,0)(939,0)(939,284)(0,284)(0,278)(939,278) .STR L_SPACE 250 "telnet" .TXT AT (4000,5470) RECOLOR ON L_SPACE 389 TXTXYOFF <-31 278> T_PNTS (0,278)(0,0)(839,0)(839,279)(0,279)(0,278)(839,278) .STR L_SPACE 250 "FDDI" .TXT AT (3501,5974) RECOLOR ON L_SPACE 389 T_PNTS (0,278)(0,0)(1427,0)(1427,284)(0,284)(0,278)(1427,278) .STR L_SPACE 250 "Ethernet" .TXT AT (4458,4998) RECOLOR ON L_SPACE 389 TXTXYOFF <1 278> T_PNTS (0,278)(0,0)(791,0)(791,279)(0,279)(0,278)(791,278) .STR L_SPACE 250 "ATM" .TXT AT (5002,5719) RECOLOR ON L_SPACE 389 TXTXYOFF <-12 278> T_PNTS (0,278)(0,0)(886,0)(886,284)(0,284)(0,278)(886,278) .STR L_SPACE 250 "serial" .TXT AT (4465,6468) RECOLOR ON L_SPACE 389 TXTXYOFF <-31 278> T_PNTS (0,278)(0,0)(2033,0)(2033,364)(0,364)(0,278)(2033,278) .STR L_SPACE 250 "Damp string" .TXT AT (4250,2739) RECOLOR ON L_SPACE 389 TXTXYOFF <-1 258> T_PNTS (0,258)(0,0)(502,0)(502,339)(0,339)(0,258)(502,258) .STR L_SPACE 250 "tcp" .TXT AT (5021,2721) RECOLOR ON L_SPACE 389 TXTXYOFF <-24 278> T_PNTS (0,278)(0,0)(609,0)(609,359)(0,359)(0,278)(609,278) .STR L_SPACE 250 "udp" .LINE AT (3846,2628) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> THICKNESS 1 V_SPACE <0 250 0> SIZE 180000 MARGINS <125 125 250 62> PNTS (0,0)(2058,0) END PICTURE NOTES .GRP BACKFILL <0 0 5 1000 0 0 0> PARA <0 0 0 0 1000 1 0 111> .TMP AT (250,250) RECOLOR ON TEMPLATE_FLAGS <5 14 0 0> T_POS <250 250 7249 4875> .VOID .TMP AT (250,5125) RECOLOR ON TEMPLATE_FLAGS <6 15 0 0> T_POS <250 5125 7249 9749> .VOID END .GRP END NOTES SLIDE_INFO SLIDE_STYLE <0 -1 1> LAYOUT_ID <1 2 12 12 12> END SLIDE_INFO PICTURE .TMP AT (103,84) RECOLOR ON TEMPLATE_FLAGS <1 0 0 0> T_POS <103 84 9891 1922> .TXT AT (1343,228) RECOLOR ON TEMPLATED ON BACKFILL <7 7 0 0 0 0 0> V_SPACE <0 611 0> SIZE 440000 BOLD ON HOR_JUST CENTER L_SPACE 611 MARGINS <0 0 0 0> TXTXYOFF <-6 438> T_PNTS (0,438)(0,0)(7226,0)(7226,566)(0,566)(0,438)(7226,438) H_SPACE 9789 .STR "The Internet Protocol (IP)" .TMP AT (103,2089) RECOLOR ON TEMPLATE_FLAGS <2 3 0 0> T_POS <103 2089 9891 7369> .TXT AT (56,2168) RECOLOR ON TEMPLATED ON BACKFILL <20 20 0 19 0 0 0> PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 BOLD OFF HOR_JUST LEFT L_SPACE 444 TXTXYOFF <7 326> T_PNTS (0,326)(0,0)(8285,0)(8285,2780)(0,2780)(0,326)(8285,326) .STR "Layer 3 in the TCP/IP stack" .STR "\nDelivers chunks of data - \"datagrams\" - across an internetw ork" .STR "\nScales to global network - The Internet" .STR "\nIntegrates different LAN technologies" .STR "\nRFC 791" END PICTURE NOTES .GRP BACKFILL <0 0 5 1000 0 0 0> PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 250 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> .TMP AT (250,250) RECOLOR ON TEMPLATE_FLAGS <5 14 0 0> T_POS <250 250 7249 4875> .VOID .TMP AT (250,5125) RECOLOR ON TEMPLATE_FLAGS <6 15 0 0> T_POS <250 5125 7249 9749> .VOID END .GRP END NOTES SLIDE_INFO SLIDE_STYLE <0 -1 1> LAYOUT_ID <1 2 12 12 12> END SLIDE_INFO PICTURE .RECT AT (750,1500) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> PARA <0 0 0 0 1000 34 0 111> V_SPACE <0 500 0> FONT 5 SIZE 360000 ITALICS ON L_SPACE 500 MARGINS <250 250 500 125> PNTS (0,0)(8750,0)(8750,1000)(0,1000)(0,0) .TXT AT (3093,1101) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 V_SPACE <0 250 0> FONT 1 SIZE 180000 BOLD ON ITALICS OFF HOR_JUST CENTER L_SPACE 250 MARGINS <0 0 0 0> TXTXYOFF <-18 179> T_PNTS (0,179)(0,0)(4133,0)(4133,232)(0,232)(0,179)(4133,179) H_SPACE 0 .STR L_SPACE 500 "MTU (Maximum Transmission Unit)" .LINE AT (748,1250) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> THICKNESS 42 L_ARROW 1 V_SPACE <0 500 0> FONT 5 SIZE 360000 BOLD OFF ITALICS ON HOR_JUST LEFT MARGINS <250 250 500 125> PNTS (0,0)(2250,0) .LINE AT (7249,1250) RECOLOR ON L_ARROW 0 R_ARROW 1 PNTS (0,0)(2250,0) .RECT AT (2000,1500) RECOLOR ON BACKFILL <23 2 5 1000 0 0 0> THICKNESS 1 R_ARROW 0 PNTS (0,0)(7500,0)(7500,1000)(0,1000)(0,0) .TXT AT (858,1860) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 V_SPACE <0 250 0> FONT 1 SIZE 180000 BOLD ON ITALICS OFF HOR_JUST CENTER L_SPACE 250 MARGINS <0 0 0 0> T_PNTS (0,179)(0,0)(1023,0)(1023,180)(0,180)(0,179)(1023,179) .STR L_SPACE 500 "HEADER" .TXT AT (5291,1855) RECOLOR ON L_SPACE 250 TXTXYOFF <-19 179> T_PNTS (0,179)(0,0)(674,0)(674,180)(0,180)(0,179)(674,179) .STR L_SPACE 500 "DATA" .TMP AT (103,84) RECOLOR ON TEMPLATE_FLAGS <1 0 0 0> T_POS <103 84 9891 1922> .TXT AT (1800,217) RECOLOR ON TEMPLATED ON BACKFILL <7 7 0 0 0 0 0> THICKNESS 1 PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 611 0> SIZE 440000 L_SPACE 611 TXTXYOFF <-39 449> T_PNTS (0,449)(0,0)(6368,0)(6368,581)(0,581)(0,449)(6368,449) H_SPACE 9789 .STR "IP Datagram Structure" .TMP AT (103,2089) RECOLOR ON TEMPLATE_FLAGS <2 3 0 0> T_POS <103 2089 9891 7369> .TXT AT (214,2901) RECOLOR ON TEMPLATED ON BACKFILL <20 20 0 19 0 0 0> PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 BOLD OFF HOR_JUST LEFT L_SPACE 444 TXTXYOFF <7 318> T_PNTS (0,318)(0,0)(8682,0)(8682,4218)(0,4218)(0,318)(8682,318) .STR "Header" .STR PARA <-500 1000 -500 1 1000 0 2 108> V_SPACE <28 389 0> SIZE 280000 "\n\tSource IP address " .STR ITALICS ON "- where it came from" .STR ITALICS OFF "\n\tDestination IP address " .STR ITALICS ON "- where it is going to" .STR ITALICS OFF "\n\tHeader checksum" .STR "\n\tOther fields (TTL, Layer 4 protocol identifier, Fragmentati on information)" .STR PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 "\nData" .STR PARA <-500 1000 -500 1 1000 0 2 108> V_SPACE <28 389 0> SIZE 280000 "\n\tThe actual data you want to carry" .STR PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 "\nTotal size up to MTU bytes" .STR PARA <-500 1000 -500 1 1000 0 2 108> V_SPACE <28 389 0> SIZE 280000 "\n\tWhat limits the MTU?" END PICTURE NOTES .GRP BACKFILL <0 0 5 1000 0 0 0> PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 500 0> FONT 5 SIZE 360000 ITALICS ON L_SPACE 500 MARGINS <250 250 500 125> .TMP AT (250,250) RECOLOR ON TEMPLATE_FLAGS <5 14 0 0> T_POS <250 250 7249 4875> .VOID .TMP AT (250,5125) RECOLOR ON TEMPLATE_FLAGS <6 15 0 0> T_POS <250 5125 7249 9749> .VOID END .GRP END NOTES SLIDE_INFO SLIDE_STYLE <0 -1 1> LAYOUT_ID <1 2 12 12 12> END SLIDE_INFO PICTURE .TXT AT (965,5963) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 PARA <0 0 0 0 1000 34 0 111> V_SPACE <0 250 0> FONT 1 SIZE 180000 ITALICS OFF L_SPACE 250 MARGINS <0 0 0 0> FLD_XYSCALE <15218 14818> TXTXYOFF <-37 259> T_PNTS (0,259)(0,0)(6638,0)(6638,268)(0,268)(0,259)(6638,259) H_SPACE 0 .STR FLD_XYSCALE <10000 10000> "11001110000110111110111000000101" .TXT AT (766,5464) RECOLOR ON FLD_XYSCALE <13692 13258> TXTXYOFF <-1 237> T_PNTS (0,237)(0,0)(1403,0)(1403,307)(0,307)(0,237)(1403,237) .STR ITALICS ON FLD_XYSCALE <10000 10000> "Example:" .TMP AT (103,84) RECOLOR ON TEMPLATE_FLAGS <1 0 0 0> T_POS <103 84 9891 1922> .TXT AT (1138,214) RECOLOR ON TEMPLATED ON BACKFILL <7 7 0 0 0 0 0> THICKNESS 1 PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 611 0> SIZE 440000 BOLD ON ITALICS OFF HOR_JUST CENTER L_SPACE 611 TXTXYOFF <-39 449> T_PNTS (0,449)(0,0)(7690,0)(7690,507)(0,507)(0,449)(7690,449) H_SPACE 9789 .STR "IP Addresses / IP Numbers" .TMP AT (103,2089) RECOLOR ON TEMPLATE_FLAGS <2 3 0 0> T_POS <103 2089 9891 7369> .TXT AT (65,2179) RECOLOR ON TEMPLATED ON BACKFILL <20 20 0 19 0 0 0> PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 BOLD OFF HOR_JUST LEFT L_SPACE 444 TXTXYOFF <7 323> T_PNTS (0,323)(0,0)(7391,0)(7391,2338)(0,2338)(0,323)(7391,323) .STR "IP number identifies a device (host)" .STR "\nGlobally unique for every host" .STR PARA <-500 1000 -500 1 1000 0 2 108> V_SPACE <28 389 0> SIZE 280000 "\n\tWhy?" .STR PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 "\nIndependent of layer 2 addresses" .STR "\n32 bit binary number" END PICTURE NOTES .GRP BACKFILL <0 0 5 1000 0 0 0> PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 500 0> FONT 5 SIZE 360000 ITALICS ON L_SPACE 500 MARGINS <250 250 500 125> .TMP AT (250,250) RECOLOR ON TEMPLATE_FLAGS <5 14 0 0> T_POS <250 250 7249 4875> .VOID .TMP AT (250,5125) RECOLOR ON TEMPLATE_FLAGS <6 15 0 0> T_POS <250 5125 7249 9749> .VOID END .GRP END NOTES SLIDE_INFO SLIDE_STYLE <0 -1 1> LAYOUT_ID <1 2 12 12 12> END SLIDE_INFO PICTURE .TXT AT (1222,3961) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 PARA <0 0 0 0 1000 34 0 111> V_SPACE <0 250 0> FONT 1 SIZE 180000 ITALICS OFF L_SPACE 250 MARGINS <0 0 0 0> FLD_XYSCALE <15218 14818> TXTXYOFF <-37 259> T_PNTS (0,259)(0,0)(7485,0)(7485,268)(0,268)(0,259)(7485,259) H_SPACE 0 .STR FLD_XYSCALE <10000 10000> "11001110 00011011 11101110 000000101" .TXT AT (1707,4966) RECOLOR ON HOR_JUST CENTER FLD_XYSCALE <15218 14818> TXTXYOFF <-14 259> T_PNTS (0,259)(0,0)(608,0)(608,268)(0,268)(0,259)(608,259) .STR FLD_XYSCALE <10000 10000> "206" .TXT AT (3736,4950) RECOLOR ON FLD_XYSCALE <15218 14762> TXTXYOFF <-12 258> T_PNTS (0,258)(0,0)(396,0)(396,259)(0,259)(0,258)(396,258) .STR FLD_XYSCALE <10000 10000> "27" .TXT AT (5633,4962) RECOLOR ON FLD_XYSCALE <15218 14762> TXTXYOFF <-13 258> T_PNTS (0,258)(0,0)(607,0)(607,267)(0,267)(0,258)(607,258) .STR FLD_XYSCALE <10000 10000> "238" .TXT AT (7584,4973) RECOLOR ON FLD_XYSCALE <15218 14762> TXTXYOFF <-10 250> T_PNTS (0,250)(0,0)(185,0)(185,259)(0,259)(0,250)(185,250) .STR FLD_XYSCALE <10000 10000> "5" .TXT AT (2989,5191) RECOLOR ON FLD_XYSCALE <15218 14818> TXTXYOFF <-33 40> T_PNTS (0,40)(0,0)(39,0)(39,41)(0,41)(0,40)(39,40) .STR FLD_XYSCALE <10000 10000> "." .TXT AT (4856,5185) RECOLOR ON FLD_XYSCALE <15218 14818> T_PNTS (0,40)(0,0)(39,0)(39,41)(0,41)(0,40)(39,40) .STR FLD_XYSCALE <10000 10000> "." .TXT AT (6768,5185) RECOLOR ON FLD_XYSCALE <15218 14818> TXTXYOFF <-34 40> T_PNTS (0,40)(0,0)(39,0)(39,41)(0,41)(0,40)(39,40) .STR FLD_XYSCALE <10000 10000> "." .TXT AT (65,5901) RECOLOR ON BACKFILL <20 20 0 19 0 0 0> THICKNESS 1 PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 HOR_JUST LEFT L_SPACE 444 TXTXYOFF <7 318> T_PNTS (0,318)(0,0)(9181,0)(9181,1216)(0,1216)(0,318)(9181,318) H_SPACE 9789 .STR "\nThere is nothing special about the 8 bit boundaries; to the c omputer it is still a single 32 bit number" .LINE AT (2000,4400) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> THICKNESS 28 R_ARROW 1 PARA <0 0 0 0 1000 34 0 111> V_SPACE <0 250 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> PNTS (0,0)(0,500) .LINE AT (3930,4400) RECOLOR ON PNTS (0,0)(0,500) .LINE AT (5930,4400) RECOLOR ON PNTS (0,0)(0,500) .LINE AT (7705,4400) RECOLOR ON PNTS (0,0)(0,500) .TMP AT (103,84) RECOLOR ON TEMPLATE_FLAGS <1 0 0 0> T_POS <103 84 9891 1922> .TXT AT (1617,228) RECOLOR ON TEMPLATED ON BACKFILL <7 7 0 0 0 0 0> THICKNESS 1 R_ARROW 0 PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 611 0> SIZE 440000 BOLD ON HOR_JUST CENTER L_SPACE 611 MARGINS <0 0 0 0> TXTXYOFF <-39 438> T_PNTS (0,438)(0,0)(6721,0)(6721,566)(0,566)(0,438)(6721,438) .STR "IP numbers (continued)" .TMP AT (103,2089) RECOLOR ON TEMPLATE_FLAGS <2 3 0 0> T_POS <103 2089 9891 7369> .TXT AT (59,2171) RECOLOR ON TEMPLATED ON BACKFILL <20 20 0 19 0 0 0> PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 BOLD OFF HOR_JUST LEFT L_SPACE 444 TXTXYOFF <7 326> T_PNTS (0,326)(0,0)(9172,0)(9172,1363)(0,1363)(0,326)(9172,326) .STR "Convert to decimal for convenience" .STR "\nGroup into bytes (8 bits) and convert each in turn; separate with periods" END PICTURE NOTES .GRP BACKFILL <0 0 5 1000 0 0 0> PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 250 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> .TMP AT (250,250) RECOLOR ON TEMPLATE_FLAGS <5 14 0 0> T_POS <250 250 7249 4875> .VOID .TMP AT (250,5125) RECOLOR ON TEMPLATE_FLAGS <6 15 0 0> T_POS <250 5125 7249 9749> .VOID END .GRP END NOTES SLIDE_INFO SLIDE_STYLE <0 -1 1> LAYOUT_ID <1 2 12 12 12> END SLIDE_INFO PICTURE .POL AT (1752,3249) RECOLOR ON BACKFILL <34 2 0 0 0 0 0> THICKNESS 56 PARA <0 0 0 0 1000 34 0 111> PNTS (2250,500)(2250,0)(0,0)(0,0)(0,0)(0,0) .POL AT (5002,3249) RECOLOR ON PNTS (0,500)(0,0)(2250,0)(2250,0)(2250,0) .RECT AT (3751,3749) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> THICKNESS 1 PNTS (0,0)(1500,0)(1500,1000)(0,1000)(0,0) .GRP BACKFILL <1 0 0 0 0 0 0> LINEFILL <1 2 5 1000 0 0 0> SHADOW <6 0 15 15> PARA <0 0 0 0 1000 1 0 111> FONT 0 .POL AT (3740,3007) BACKFILL <7 0 0 5 0 0 0> THICKNESS 0 PNTS (732,578)(997,578)(607,1048)(229,576)(494,576)(494,547)(494,525) (491,499)(488,470)(485,441)(481,413)(476,386)(469,360)(462,333) (454,309)(443,285)(433,259)(424,237)(412,214)(398,194)(385,173) (370,153)(353,135)(336,116)(317,100)(298,86)(278,72)(255,59) (233,46)(208,36)(181,28)(155,19)(127,12)(97,7)(65,5)(33,0) (0,0)(49,0)(97,2)(143,5)(186,5)(226,10)(266,14)(304,19)(339,25) (371,32)(405,41)(433,51)(462,60)(489,72)(504,86)(529,100)(549,116) (571,133)(590,152)(607,173)(623,193)(639,216)(653,240)(665,267) (676,295)(687,325)(697,357)(705,390)(712,427)(719,463)(725,503) (728,535)(732,578) .POL AT (4472,3578) BACKFILL <1 0 0 5 0 0 0> PNTS (259,4)(265,16)(0,16)(0,0)(265,0)(269,11)(265,0)(279,0)(269,11) (259,4) .POL AT (4342,3582) PNTS (11,470)(0,470)(389,0)(399,7)(11,477)(0,477)(11,477)(5,484) (0,477)(11,470) .POL AT (3954,3577) PNTS (15,16)(21,4)(399,475)(388,482)(11,11)(15,0)(11,11)(0,0)(15,0) (15,16) .POL AT (3969,3577) PNTS (272,6)(265,16)(0,16)(0,0)(265,0)(258,6)(272,6)(272,16)(265,16) (272,6) .POL AT (3740,3000) PNTS (0,16)(0,0)(33,1)(65,4)(97,7)(128,12)(156,19)(184,27)(209,37) (234,48)(258,59)(281,73)(302,86)(322,102)(341,120)(360,137) (376,156)(390,175)(405,196)(418,218)(430,240)(441,265)(451,289) (460,313)(469,339)(476,364)(482,392)(487,419)(491,447)(496,476) (498,506)(500,532)(500,554)(501,583)(487,583)(487,554)(487,532) (484,506)(482,477)(478,449)(474,421)(468,394)(462,368)(455,342) (448,317)(437,292)(428,269)(418,246)(406,226)(393,204)(379,184) (364,165)(347,147)(331,130)(313,113)(295,99)(273,84)(253,73) (229,59)(205,51)(179,41)(153,32)(125,27)(96,21)(65,18)(33,16) (0,16)(0,0)(0,16) .POL AT (3740,3000) PNTS (732,594)(725,586)(721,542)(719,511)(711,471)(706,434)(697,399) (691,365)(680,335)(669,305)(659,276)(647,252)(632,227)(618,203) (602,183)(584,164)(566,145)(545,129)(524,113)(504,99)(487,85) (460,74)(433,65)(403,54)(370,47)(337,39)(303,32)(266,27)(226,23) (186,21)(143,18)(97,16)(49,16)(0,16)(0,0)(49,1)(97,2)(143,4) (186,7)(226,10)(266,13)(305,19)(340,26)(374,32)(406,41)(435,51) (465,60)(492,73)(508,86)(531,101)(555,117)(575,136)(595,155) (613,174)(630,196)(645,219)(659,245)(671,272)(683,300)(694,331) (703,363)(711,397)(719,433)(725,470)(730,510)(735,541)(739,585) (732,578)(732,594) END .GRP .GRP BACKFILL <1 0 0 0 0 0 0> THICKNESS 1 .POL AT (4694,2516) BACKFILL <7 0 0 5 0 0 0> THICKNESS 0 PNTS (578,265)(578,0)(1048,390)(575,767)(575,502)(546,502)(525,502) (499,504)(470,507)(441,510)(413,514)(386,519)(360,526)(333,533) (309,541)(285,552)(259,562)(237,571)(214,583)(194,597)(173,610) (153,625)(135,642)(116,659)(100,678)(86,697)(72,717)(59,740) (46,762)(36,787)(28,814)(19,840)(12,868)(7,898)(5,930)(0,962) (0,995)(0,946)(2,898)(5,852)(5,809)(10,769)(14,729)(19,691) (25,656)(32,624)(41,590)(51,562)(60,533)(72,506)(86,492)(101,467) (117,447)(134,425)(153,406)(174,389)(194,373)(217,357)(241,343) (268,331)(296,320)(326,309)(358,299)(391,291)(428,284)(464,277) (504,271)(535,269)(578,265) .POL AT (5265,2502) BACKFILL <1 0 0 5 0 0 0> PNTS (4,20)(16,14)(16,279)(0,279)(0,14)(11,10)(0,14)(0,0)(11,10) (4,20) .POL AT (5269,2512) PNTS (470,388)(470,399)(0,10)(7,0)(477,388)(477,399)(477,388)(484,394) (477,399)(470,388) .POL AT (5263,2900) PNTS (16,383)(4,377)(476,0)(483,11)(11,387)(0,383)(11,387)(0,398) (0,383)(16,383) .POL AT (5263,3011) PNTS (6,0)(16,7)(16,272)(0,272)(0,7)(6,14)(6,0)(16,0)(16,7)(6,0) .POL AT (4687,3011) PNTS (16,500)(0,500)(1,467)(4,435)(7,403)(12,372)(19,344)(27,316) (37,291)(48,266)(59,242)(73,219)(86,198)(102,178)(120,159) (137,140)(156,124)(175,110)(196,95)(218,82)(240,70)(265,59) (289,49)(313,40)(339,31)(364,24)(392,18)(419,13)(447,9)(476,4) (506,2)(532,1)(553,1)(582,0)(582,14)(553,14)(532,14)(506,16) (477,18)(449,22)(421,26)(394,32)(368,38)(342,45)(317,52)(292,63) (269,72)(246,82)(226,94)(204,107)(184,121)(165,136)(147,153) (130,169)(113,187)(99,205)(84,227)(73,247)(59,271)(51,295) (41,321)(32,347)(27,375)(21,404)(18,435)(16,467)(16,500)(0,500) (16,500) .POL AT (4687,2774) PNTS (594,7)(586,14)(542,18)(512,19)(472,27)(435,32)(400,41)(366,47) (336,58)(306,69)(277,79)(253,91)(228,106)(204,120)(184,136) (165,154)(146,172)(130,193)(114,214)(99,234)(85,250)(74,277) (65,304)(54,334)(47,367)(39,400)(32,434)(27,471)(23,511)(21,551) (18,594)(16,640)(16,688)(16,737)(0,737)(1,688)(2,640)(4,594) (7,551)(10,511)(13,471)(19,432)(26,397)(32,363)(41,331)(51,302) (60,272)(73,245)(87,230)(102,207)(118,183)(137,163)(156,143) (175,125)(197,108)(220,93)(246,79)(273,67)(301,55)(332,44) (364,35)(398,27)(434,19)(471,13)(511,8)(541,4)(585,0)(578,7) (594,7) END .GRP .TXT AT (2003,3435) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> LINEFILL <21 21 5 1000 0 0 0> SHADOW <11 0 15 15> PARA <0 0 0 0 1000 34 0 111> V_SPACE <0 333 0> FONT 1 SIZE 240000 L_SPACE 333 MARGINS <0 0 0 0> TXTXYOFF <-25 239> T_PNTS (0,239)(0,0)(1401,0)(1401,245)(0,245)(0,239)(1401,239) H_SPACE 0 .STR L_SPACE 250 "Network 1" .TXT AT (5591,3505) RECOLOR ON L_SPACE 333 T_PNTS (0,239)(0,0)(1455,0)(1455,245)(0,245)(0,239)(1455,239) .STR L_SPACE 250 "Network 2" .TXT AT (109,5170) RECOLOR ON BACKFILL <20 20 0 0 0 0 0> THICKNESS 1 PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 L_SPACE 444 TXTXYOFF <7 326> T_PNTS (0,326)(0,0)(9009,0)(9009,1812)(0,1812)(0,326)(9009,326) H_SPACE 9789 .STR "Why? Because Layer 2 can only send to direct neighbours (on the same link)\nAlso lets us transfer data between different networ k types" .TMP AT (103,84) RECOLOR ON TEMPLATE_FLAGS <1 0 0 0> T_POS <103 84 9891 1922> .TXT AT (2098,246) RECOLOR ON TEMPLATED ON BACKFILL <7 7 0 0 0 0 0> PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 611 0> SIZE 440000 BOLD ON HOR_JUST CENTER L_SPACE 611 TXTXYOFF <-4 449> T_PNTS (0,449)(0,0)(5806,0)(5806,581)(0,581)(0,449)(5806,449) .STR "What is forwarding?" .TMP AT (103,2089) RECOLOR ON TEMPLATE_FLAGS <2 3 0 0> T_POS <103 2089 9891 7369> .TXT AT (79,1428) RECOLOR ON TEMPLATED ON BACKFILL <20 20 0 19 0 0 0> PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 BOLD OFF HOR_JUST LEFT L_SPACE 444 TXTXYOFF <7 323> T_PNTS (0,323)(0,0)(9084,0)(9084,865)(0,865)(0,323)(9084,323) .STR "Receiving a datagram on one interface and resending it on anoth er" END PICTURE NOTES .GRP BACKFILL <34 0 5 1000 0 0 0> PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 250 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> .TMP AT (250,250) RECOLOR ON TEMPLATE_FLAGS <5 14 0 0> T_POS <250 250 7249 4875> .VOID .TMP AT (250,5125) RECOLOR ON TEMPLATE_FLAGS <6 15 0 0> T_POS <250 5125 7249 9749> .VOID END .GRP END NOTES SLIDE_INFO SLIDE_STYLE <0 -1 1> LAYOUT_ID <1 2 12 12 12> END SLIDE_INFO PICTURE .TXT AT (80,6601) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 PARA <0 0 0 0 1000 34 0 111> MARGINS <0 0 0 0> TXTXYOFF <1 184> T_PNTS (0,184)(0,0)(4372,0)(4372,240)(0,240)(0,184)(4372,184) H_SPACE 0 .STR "* Otherwise it is just a multi-homed host" .TMP AT (103,84) RECOLOR ON TEMPLATE_FLAGS <1 0 0 0> T_POS <103 84 9891 1922> .TXT AT (2537,246) RECOLOR ON TEMPLATED ON BACKFILL <7 7 0 0 0 0 0> THICKNESS 1 PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 611 0> SIZE 440000 BOLD ON HOR_JUST CENTER L_SPACE 611 TXTXYOFF <-4 449> T_PNTS (0,449)(0,0)(4929,0)(4929,460)(0,460)(0,449)(4929,449) H_SPACE 9789 .STR "What is a router?" .TMP AT (103,2089) RECOLOR ON TEMPLATE_FLAGS <2 3 0 0> T_POS <103 2089 9891 7369> .TXT AT (96,2210) RECOLOR ON TEMPLATED ON BACKFILL <20 20 0 19 0 0 0> PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 BOLD OFF HOR_JUST LEFT L_SPACE 444 TXTXYOFF <7 323> T_PNTS (0,323)(0,0)(9251,0)(9251,3697)(0,3697)(0,323)(9251,323) .STR "A host with two or more interfaces " .STR ITALICS ON "and" .STR ITALICS OFF " which has been configured to forward datagrams *" .STR "\nWorks at layer 3: receives datagrams and forwards them based on the destination IP address" .STR "\nFor a full definition see RFC 1812" .STR "\nOlder documents call it a \"Gateway\" but this term is normal ly used for a layer 7 gateway" END PICTURE NOTES .GRP BACKFILL <34 0 5 1000 0 0 0> PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 250 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> .TMP AT (250,250) RECOLOR ON TEMPLATE_FLAGS <5 14 0 0> T_POS <250 250 7249 4875> .VOID .TMP AT (250,5125) RECOLOR ON TEMPLATE_FLAGS <6 15 0 0> T_POS <250 5125 7249 9749> .VOID END .GRP END NOTES SLIDE_INFO SLIDE_STYLE <0 -1 1> LAYOUT_ID <1 2 12 12 12> END SLIDE_INFO PICTURE .POL AT (1503,5498) RECOLOR ON BACKFILL <34 2 0 0 0 0 0> THICKNESS 56 PARA <0 0 0 0 1000 34 0 111> PNTS (2250,500)(2250,0)(0,0)(0,0)(0,0)(0,0) .POL AT (4753,5498) RECOLOR ON BACKFILL <7 2 0 0 0 0 0> LINEFILL <7 21 5 1000 0 0 0> PNTS (0,500)(0,0)(2250,0)(2250,0)(2250,0) .RECT AT (3502,5998) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> LINEFILL <21 21 5 1000 0 0 0> THICKNESS 1 PNTS (0,0)(1500,0)(1500,1000)(0,1000)(0,0) .TXT AT (1725,5526) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 V_SPACE <0 333 0> SIZE 240000 L_SPACE 333 MARGINS <0 0 0 0> TXTXYOFF <0 245> T_PNTS (0,245)(0,0)(1192,0)(1192,277)(0,277)(0,245)(1192,245) H_SPACE 0 .STR L_SPACE 250 "x.x.x.x/n" .TXT AT (5310,5526) RECOLOR ON BACKFILL <7 20 0 0 0 0 0> LINEFILL <7 21 5 1000 0 0 0> L_SPACE 333 TXTXYOFF <-3 245> T_PNTS (0,245)(0,0)(1281,0)(1281,319)(0,319)(0,245)(1281,245) .STR L_SPACE 250 "y.y.y.y/m" .TXT AT (3597,6059) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> LINEFILL <21 21 5 1000 0 0 0> L_SPACE 333 TXTXYOFF <-30 239> T_PNTS (0,239)(0,0)(401,0)(401,240)(0,240)(0,239)(401,239) .STR L_SPACE 250 "IP1" .TXT AT (4487,6066) RECOLOR ON L_SPACE 333 T_PNTS (0,239)(0,0)(455,0)(455,240)(0,240)(0,239)(455,239) .STR L_SPACE 250 "IP2" .TMP AT (103,84) RECOLOR ON TEMPLATE_FLAGS <1 0 0 0> T_POS <103 84 9891 1922> .TXT AT (1372,246) RECOLOR ON TEMPLATED ON BACKFILL <7 7 0 0 0 0 0> THICKNESS 1 PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 611 0> SIZE 440000 BOLD ON HOR_JUST CENTER L_SPACE 611 TXTXYOFF <-4 449> T_PNTS (0,449)(0,0)(7260,0)(7260,577)(0,577)(0,449)(7260,449) H_SPACE 9789 .STR "What is a router? (Contd)" .TMP AT (103,2089) RECOLOR ON TEMPLATE_FLAGS <2 3 0 0> T_POS <103 2089 9891 7369> .TXT AT (96,2215) RECOLOR ON TEMPLATED ON BACKFILL <20 20 0 19 0 0 0> PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 BOLD OFF HOR_JUST LEFT L_SPACE 444 TXTXYOFF <7 318> T_PNTS (0,318)(0,0)(9215,0)(9215,2657)(0,2657)(0,318)(9215,318) .STR "A router is connected to two or more networks" .STR "\nThe Golden Rules say that every network must have its own pre fix" .STR "\nTherefore a router must have two or more IP addresses - one f or each interface" END PICTURE NOTES .GRP BACKFILL <34 0 5 1000 0 0 0> PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 250 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> .TMP AT (250,250) RECOLOR ON TEMPLATE_FLAGS <5 14 0 0> T_POS <250 250 7249 4875> .VOID .TMP AT (250,5125) RECOLOR ON TEMPLATE_FLAGS <6 15 0 0> T_POS <250 5125 7249 9749> .VOID END .GRP END NOTES SLIDE_INFO SLIDE_STYLE <0 -1 1> LAYOUT_ID <1 2 12 12 12> END SLIDE_INFO PICTURE .TMP AT (103,84) RECOLOR ON TEMPLATE_FLAGS <1 0 0 0> T_POS <103 84 9891 1922> .TXT AT (845,257) RECOLOR ON TEMPLATED ON BACKFILL <7 7 0 0 0 0 0> V_SPACE <0 611 0> SIZE 440000 BOLD ON HOR_JUST CENTER L_SPACE 611 MARGINS <0 0 0 0> TXTXYOFF <-89 438> T_PNTS (0,438)(0,0)(8487,0)(8487,1181)(0,1181)(0,438)(8487,438) .STR "What happens when a router receives a datagram?" .TMP AT (103,2089) RECOLOR ON TEMPLATE_FLAGS <2 3 0 0> T_POS <103 2089 9891 7369> .TXT AT (96,2210) RECOLOR ON TEMPLATED ON BACKFILL <20 20 0 19 0 0 0> PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 BOLD OFF HOR_JUST LEFT L_SPACE 444 TXTXYOFF <7 323> T_PNTS (0,323)(0,0)(9272,0)(9272,4938)(0,4938)(0,323)(9272,323) .STR "First it checks to see if the destination address is local (i.e . the router itself is the final destination)" .STR "\nNext it decrements the Time To Live (TTL) field in the IP hea der. If it reaches zero, the datagram is discarded" .STR "\nFinally it looks up the destination in a " .STR ITALICS ON "forwarding table" .STR ITALICS OFF " to decide where to send it next" .STR "\nCould be on a directly-connected network, or could have to se nd it via another router" END PICTURE NOTES .GRP BACKFILL <34 0 5 1000 0 0 0> PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 250 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> .TMP AT (250,250) RECOLOR ON TEMPLATE_FLAGS <5 14 0 0> T_POS <250 250 7249 4875> .VOID .TMP AT (250,5125) RECOLOR ON TEMPLATE_FLAGS <6 15 0 0> T_POS <250 5125 7249 9749> .VOID END .GRP END NOTES SLIDE_INFO SLIDE_STYLE <0 -1 1> LAYOUT_ID <1 2 12 12 12> END SLIDE_INFO PICTURE .TMP AT (103,84) RECOLOR ON TEMPLATE_FLAGS <1 0 0 0> T_POS <103 84 9891 1922> .TXT AT (1325,257) RECOLOR ON TEMPLATED ON BACKFILL <7 7 0 0 0 0 0> V_SPACE <0 611 0> SIZE 440000 BOLD ON HOR_JUST CENTER L_SPACE 611 MARGINS <0 0 0 0> TXTXYOFF <-46 438> T_PNTS (0,438)(0,0)(7440,0)(7440,570)(0,570)(0,438)(7440,438) .STR "Forwarding is hop-by-hop" .TMP AT (103,2089) RECOLOR ON TEMPLATE_FLAGS <2 3 0 0> T_POS <103 2089 9891 7369> .TXT AT (96,2215) RECOLOR ON TEMPLATED ON BACKFILL <20 20 0 19 0 0 0> PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 BOLD OFF HOR_JUST LEFT L_SPACE 444 TXTXYOFF <7 318> T_PNTS (0,318)(0,0)(9256,0)(9256,4580)(0,4580)(0,318)(9256,318) .STR "Each router can only communicate directly with devices which ar e on the same networks that it is connected to (Layer 2)" .STR "\nEach router gets the datagram one hop closer to the destinati on" .STR "\nEach router makes an " .STR ITALICS ON "independent " .STR ITALICS OFF "decision as to the next hop (the route is not pre-planned)" .STR "\nEach router has a different view of the world so has a differ ent forwarding table" END PICTURE NOTES .GRP BACKFILL <34 0 5 1000 0 0 0> PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 250 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> .TMP AT (250,250) RECOLOR ON TEMPLATE_FLAGS <5 14 0 0> T_POS <250 250 7249 4875> .VOID .TMP AT (250,5125) RECOLOR ON TEMPLATE_FLAGS <6 15 0 0> T_POS <250 5125 7249 9749> .VOID END .GRP END NOTES SLIDE_INFO SLIDE_STYLE <0 -1 1> LAYOUT_ID <1 2 12 12 12> END SLIDE_INFO PICTURE .TMP AT (103,84) RECOLOR ON TEMPLATE_FLAGS <1 0 0 0> T_POS <103 84 9891 1922> .TXT AT (837,256) RECOLOR ON TEMPLATED ON BACKFILL <7 7 0 0 0 0 0> V_SPACE <0 611 0> SIZE 440000 BOLD ON HOR_JUST CENTER L_SPACE 611 MARGINS <0 0 0 0> TXTXYOFF <-43 439> T_PNTS (0,439)(0,0)(8407,0)(8407,571)(0,571)(0,439)(8407,439) .STR "Using prefixes for forwarding" .TMP AT (103,2089) RECOLOR ON TEMPLATE_FLAGS <2 3 0 0> T_POS <103 2089 9891 7369> .TXT AT (96,2215) RECOLOR ON TEMPLATED ON BACKFILL <20 20 0 19 0 0 0> PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 BOLD OFF HOR_JUST LEFT L_SPACE 444 TXTXYOFF <7 318> T_PNTS (0,318)(0,0)(9256,0)(9256,4636)(0,4636)(0,318)(9256,318) .STR "We don't list every IP number on the Internet - the table would be huge" .STR "\nInstead, the forwarding table contains prefixes (network numb ers)" .STR "\n\"If the first /n bits matches this entry, send the datagram this way\"" .STR "\nIf more than one prefix matches, the longest prefix wins (mor e specific route)" .STR "\n0.0.0.0/0 is \"default route\" - matches anything, but only i f no other prefix matches" END PICTURE NOTES .GRP BACKFILL <34 0 5 1000 0 0 0> PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 250 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> .TMP AT (250,250) RECOLOR ON TEMPLATE_FLAGS <5 14 0 0> T_POS <250 250 7249 4875> .VOID .TMP AT (250,5125) RECOLOR ON TEMPLATE_FLAGS <6 15 0 0> T_POS <250 5125 7249 9749> .VOID END .GRP END NOTES SLIDE_INFO SLIDE_STYLE <0 -1 1> LAYOUT_ID <1 2 12 12 12> END SLIDE_INFO PICTURE .LINE AT (4498,6247) RECOLOR ON BACKFILL <11 2 5 1000 0 0 0> LINEFILL <7 21 5 1000 0 0 0> THICKNESS 139 STYLE 1 PARA <0 0 0 0 1000 34 0 111> PNTS (0,0)(1752,0) .LINE AT (855,5749) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> LINEFILL <34 21 5 1000 0 0 0> THICKNESS 56 STYLE 0 PNTS (0,0)(1499,0) .LINE AT (855,5748) RECOLOR ON PNTS (0,0)(0,250) .LINE AT (1353,5749) RECOLOR ON PNTS (0,0)(0,250) .LINE AT (1854,5749) RECOLOR ON PNTS (0,0)(0,250) .LINE AT (2354,5749) RECOLOR ON PNTS (0,0)(0,250) .RECT AT (751,5998) RECOLOR ON LINEFILL <21 21 5 1000 0 0 0> THICKNESS 1 PNTS (0,0)(250,0)(250,250)(0,250)(0,0) .RECT AT (1249,5999) RECOLOR ON PNTS (0,0)(250,0)(250,250)(0,250)(0,0) .RECT AT (1749,5999) RECOLOR ON PNTS (0,0)(250,0)(250,250)(0,250)(0,0) .LINE AT (2607,5749) RECOLOR ON BACKFILL <11 2 5 1000 0 0 0> LINEFILL <11 21 5 1000 0 0 0> THICKNESS 56 PNTS (0,0)(1499,0) .LINE AT (2607,5748) RECOLOR ON PNTS (0,0)(0,250) .LINE AT (3105,5749) RECOLOR ON PNTS (0,0)(0,250) .LINE AT (3606,5749) RECOLOR ON PNTS (0,0)(0,250) .LINE AT (4106,5749) RECOLOR ON PNTS (0,0)(0,250) .RECT AT (3001,5999) RECOLOR ON LINEFILL <21 21 5 1000 0 0 0> THICKNESS 1 PNTS (0,0)(250,0)(250,250)(0,250)(0,0) .RECT AT (3501,5999) RECOLOR ON PNTS (0,0)(250,0)(250,250)(0,250)(0,0) .LINE AT (6604,5749) RECOLOR ON BACKFILL <27 2 5 1000 0 0 0> LINEFILL <27 21 5 1000 0 0 0> THICKNESS 56 PNTS (0,0)(1499,0) .LINE AT (6604,5748) RECOLOR ON PNTS (0,0)(0,250) .LINE AT (7102,5749) RECOLOR ON PNTS (0,0)(0,250) .LINE AT (7603,5749) RECOLOR ON PNTS (0,0)(0,250) .LINE AT (8103,5749) RECOLOR ON PNTS (0,0)(0,250) .RECT AT (6998,5999) RECOLOR ON LINEFILL <21 21 5 1000 0 0 0> THICKNESS 1 PNTS (0,0)(250,0)(250,250)(0,250)(0,0) .RECT AT (7498,5999) RECOLOR ON PNTS (0,0)(250,0)(250,250)(0,250)(0,0) .RECT AT (7998,5999) RECOLOR ON PNTS (0,0)(250,0)(250,250)(0,250)(0,0) .RECT AT (2251,6000) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> PNTS (0,0)(500,0)(500,499)(0,499)(0,0) .RECT AT (4001,6000) RECOLOR ON BACKFILL <11 2 5 1000 0 0 0> PNTS (0,0)(499,0)(499,499)(0,499)(0,0) .RECT AT (6250,6000) RECOLOR ON BACKFILL <27 2 5 1000 0 0 0> PNTS (0,0)(499,0)(499,499)(0,499)(0,0) .TXT AT (915,5402) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 V_SPACE <0 333 0> SIZE 240000 L_SPACE 333 MARGINS <0 0 0 0> TXTXYOFF <-12 245> T_PNTS (0,245)(0,0)(1334,0)(1334,277)(0,277)(0,245)(1334,245) H_SPACE 0 .STR L_SPACE 250 "a.a.a.a/w" .TXT AT (2668,5402) RECOLOR ON L_SPACE 333 TXTXYOFF <-21 245> T_PNTS (0,245)(0,0)(1253,0)(1253,277)(0,277)(0,245)(1253,245) .STR L_SPACE 250 "b.b.b.b/x" .TXT AT (4817,5828) RECOLOR ON L_SPACE 333 TXTXYOFF <-13 245> T_PNTS (0,245)(0,0)(1179,0)(1179,319)(0,319)(0,245)(1179,245) .STR L_SPACE 250 "c.c.c.c/y" .TXT AT (6659,5401) RECOLOR ON L_SPACE 333 TXTXYOFF <-12 245> T_PNTS (0,245)(0,0)(1255,0)(1255,277)(0,277)(0,245)(1255,245) .STR L_SPACE 250 "d.d.d.d/z" .TXT AT (1250,2750) RECOLOR ON V_SPACE <0 417 0> SIZE 300000 L_SPACE 417 MARGINS <208 208 417 104> TXTXYOFF <0 0> PNTS (0,0)(8499,0)(8499,2500)(0,2500)(0,0) .STR L_SPACE 250 MARGINS <125 125 250 62> "Give each network its own prefix\nGive each machine an IP numbe r using this prefix plus a host number\nDon't use the first and last host numbers (all 0's and all 1's)" .TXT AT (749,2751) RECOLOR ON L_SPACE 417 MARGINS <208 208 417 104> PNTS (0,0)(998,0)(998,2500)(0,2500)(0,0) .STR L_SPACE 250 MARGINS <125 125 250 62> "1.\n2.\n\n3." .TMP AT (103,84) RECOLOR ON TEMPLATE_FLAGS <1 0 0 0> T_POS <103 84 9891 1922> .TXT AT (887,257) RECOLOR ON TEMPLATED ON BACKFILL <7 7 0 0 0 0 0> THICKNESS 1 PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 611 0> SIZE 440000 BOLD ON HOR_JUST CENTER L_SPACE 611 MARGINS <0 0 0 0> TXTXYOFF <-84 438> T_PNTS (0,438)(0,0)(8390,0)(8390,1060)(0,1060)(0,438)(8390,438) H_SPACE 9789 .STR "Allocating IP numbers on an Internetwork" .TMP AT (103,2089) RECOLOR ON TEMPLATE_FLAGS <2 3 0 0> T_POS <103 2089 9891 7369> .TXT AT (96,2207) RECOLOR ON TEMPLATED ON BACKFILL <20 20 0 19 0 0 0> PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 BOLD OFF HOR_JUST LEFT L_SPACE 444 TXTXYOFF <7 326> T_PNTS (0,326)(0,0)(6486,0)(6486,424)(0,424)(0,326)(6486,326) .STR "Easy: follow the Golden Rules!" END PICTURE NOTES .GRP BACKFILL <34 0 5 1000 0 0 0> PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 250 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> .TMP AT (250,250) RECOLOR ON TEMPLATE_FLAGS <5 14 0 0> T_POS <250 250 7249 4875> .VOID .TMP AT (250,5125) RECOLOR ON TEMPLATE_FLAGS <6 15 0 0> T_POS <250 5125 7249 9749> .VOID END .GRP END NOTES SLIDE_INFO SLIDE_STYLE <0 -1 1> LAYOUT_ID <1 2 12 12 12> END SLIDE_INFO PICTURE .POL AT (1002,3750) RECOLOR ON BACKFILL <34 2 0 0 0 0 0> THICKNESS 111 PARA <0 0 0 0 1000 34 0 111> PNTS (0,750)(0,0)(4500,0)(4500,750)(4500,750) .POL AT (6001,5000) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> LINEFILL <7 21 5 1000 0 0 0> PNTS (0,0)(2499,0) .LINE AT (2502,3750) RECOLOR ON LINEFILL <21 21 5 1000 0 0 0> PNTS (0,0)(0,750) .LINE AT (4001,3752) RECOLOR ON PNTS (0,0)(0,750) .RECT AT (502,4500) RECOLOR ON THICKNESS 1 PNTS (0,0)(1000,0)(1000,1000)(0,1000)(0,0) .RECT AT (2001,4502) RECOLOR ON PNTS (0,0)(1000,0)(1000,1000)(0,1000)(0,0) .RECT AT (3500,4501) RECOLOR ON PNTS (0,0)(1000,0)(1000,1000)(0,1000)(0,0) .RECT AT (5001,4501) RECOLOR ON PNTS (0,0)(1000,0)(1000,1000)(0,1000)(0,0) .RECT AT (8499,4501) RECOLOR ON PNTS (0,0)(1000,0)(1000,1000)(0,1000)(0,0) .TXT AT (1486,3129) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 V_SPACE <0 500 0> SIZE 360000 L_SPACE 500 MARGINS <0 0 0 0> TXTXYOFF <-49 367> T_PNTS (0,367)(0,0)(3260,0)(3260,415)(0,415)(0,367)(3260,367) H_SPACE 0 .STR L_SPACE 250 "192.168.0.0/28" .TXT AT (5484,5627) RECOLOR ON BACKFILL <7 20 5 1000 0 0 0> L_SPACE 500 T_PNTS (0,367)(0,0)(3535,0)(3535,415)(0,415)(0,367)(3535,367) .STR L_SPACE 250 "192.168.0.16/30" .TMP AT (103,84) RECOLOR ON TEMPLATE_FLAGS <1 0 0 0> T_POS <103 84 9891 1922> .TXT AT (1969,257) RECOLOR ON TEMPLATED ON BACKFILL <7 7 0 0 0 0 0> THICKNESS 1 PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 611 0> SIZE 440000 BOLD ON HOR_JUST CENTER L_SPACE 611 TXTXYOFF <-39 438> T_PNTS (0,438)(0,0)(6134,0)(6134,569)(0,569)(0,438)(6134,438) H_SPACE 9789 .STR "IP allocation example" .TMP AT (103,2089) RECOLOR ON TEMPLATE_FLAGS <2 3 0 0> T_POS <103 2089 9891 7369> .TXT AT (96,2210) RECOLOR ON TEMPLATED ON BACKFILL <20 20 0 19 0 0 0> PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 BOLD OFF HOR_JUST LEFT L_SPACE 444 TXTXYOFF <7 323> T_PNTS (0,323)(0,0)(9139,0)(9139,421)(0,421)(0,323)(9139,323) .STR "Allocate IP numbers to the following devices" END PICTURE NOTES .GRP BACKFILL <34 0 5 1000 0 0 0> PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 250 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> .TMP AT (250,250) RECOLOR ON TEMPLATE_FLAGS <5 14 0 0> T_POS <250 250 7249 4875> .VOID .TMP AT (250,5125) RECOLOR ON TEMPLATE_FLAGS <6 15 0 0> T_POS <250 5125 7249 9749> .VOID END .GRP END NOTES SLIDE_INFO SLIDE_STYLE <0 -1 1> LAYOUT_ID <1 2 12 12 12> END SLIDE_INFO PICTURE .TMP AT (103,84) RECOLOR ON TEMPLATE_FLAGS <1 0 0 0> T_POS <103 84 9891 1922> .TXT AT (2049,246) RECOLOR ON TEMPLATED ON BACKFILL <7 7 0 0 0 0 0> V_SPACE <0 611 0> SIZE 440000 BOLD ON HOR_JUST CENTER L_SPACE 611 MARGINS <0 0 0 0> TXTXYOFF <-24 449> T_PNTS (0,449)(0,0)(5945,0)(5945,581)(0,581)(0,449)(5945,449) .STR "Subdividing prefixes" .TMP AT (103,2089) RECOLOR ON TEMPLATE_FLAGS <2 3 0 0> T_POS <103 2089 9891 7369> .TXT AT (96,2215) RECOLOR ON TEMPLATED ON BACKFILL <20 20 0 19 0 0 0> PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 BOLD OFF HOR_JUST LEFT L_SPACE 444 TXTXYOFF <7 318> T_PNTS (0,318)(0,0)(9075,0)(9075,3101)(0,3101)(0,318)(9075,318) .STR "Every network must have its own network number (prefix)" .STR "\nYou will most likely only get one prefix from your provider" .STR "\nSo if you have more than one network, you have to divide a la rge prefix into several smaller ones" END PICTURE NOTES .GRP BACKFILL <34 0 5 1000 0 0 0> PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 250 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> .TMP AT (250,250) RECOLOR ON TEMPLATE_FLAGS <5 14 0 0> T_POS <250 250 7249 4875> .VOID .TMP AT (250,5125) RECOLOR ON TEMPLATE_FLAGS <6 15 0 0> T_POS <250 5125 7249 9749> .VOID END .GRP END NOTES SLIDE_INFO SLIDE_STYLE <0 -1 1> LAYOUT_ID <1 2 12 12 12> END SLIDE_INFO PICTURE .TXT AT (96,4667) RECOLOR ON BACKFILL <20 20 0 0 0 0 0> PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 L_SPACE 444 MARGINS <0 0 0 0> TXTXYOFF <7 326> T_PNTS (0,326)(0,0)(8857,0)(8857,868)(0,868)(0,326)(8857,326) .STR "What is the smallest IP number available? The largest IP number available?" .TMP AT (103,84) RECOLOR ON TEMPLATE_FLAGS <1 0 0 0> T_POS <103 84 9891 1922> .TXT AT (644,246) RECOLOR ON TEMPLATED ON BACKFILL <7 7 0 0 0 0 0> PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 611 0> SIZE 440000 BOLD ON HOR_JUST CENTER L_SPACE 611 TXTXYOFF <-24 449> T_PNTS (0,449)(0,0)(8754,0)(8754,581)(0,581)(0,449)(8754,449) .STR "Subdividing prefixes: example" .TMP AT (103,2089) RECOLOR ON TEMPLATE_FLAGS <2 3 0 0> T_POS <103 2089 9891 7369> .TXT AT (94,2205) RECOLOR ON TEMPLATED ON BACKFILL <20 20 0 19 0 0 0> PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 BOLD OFF HOR_JUST LEFT L_SPACE 444 TXTXYOFF <7 326> T_PNTS (0,326)(0,0)(8922,0)(8922,924)(0,924)(0,326)(8922,326) .STR "You have been allocated 195.176.112.0/25" .STR "\nHow many IP numbers is this?" END PICTURE NOTES .GRP BACKFILL <34 0 5 1000 0 0 0> PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 250 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> .TMP AT (250,250) RECOLOR ON TEMPLATE_FLAGS <5 14 0 0> T_POS <250 250 7249 4875> .VOID .TMP AT (250,5125) RECOLOR ON TEMPLATE_FLAGS <6 15 0 0> T_POS <250 5125 7249 9749> .VOID END .GRP END NOTES SLIDE_INFO SLIDE_STYLE <0 -1 1> LAYOUT_ID <1 2 12 12 12> END SLIDE_INFO PICTURE .TMP AT (103,84) RECOLOR ON TEMPLATE_FLAGS <1 0 0 0> T_POS <103 84 9891 1922> .TXT AT (2716,257) RECOLOR ON TEMPLATED ON BACKFILL <7 7 0 0 0 0 0> V_SPACE <0 611 0> SIZE 440000 BOLD ON HOR_JUST CENTER L_SPACE 611 MARGINS <0 0 0 0> TXTXYOFF <-46 438> T_PNTS (0,438)(0,0)(4651,0)(4651,569)(0,569)(0,438)(4651,438) .STR "Example (contd)" .TMP AT (103,2089) RECOLOR ON TEMPLATE_FLAGS <2 3 0 0> T_POS <103 2089 9891 7369> .TXT AT (94,2213) RECOLOR ON TEMPLATED ON BACKFILL <20 20 0 19 0 0 0> PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 BOLD OFF HOR_JUST LEFT L_SPACE 444 TXTXYOFF <7 318> T_PNTS (0,318)(0,0)(8496,0)(8496,2213)(0,2213)(0,318)(8496,318) .STR "We have decided we need 8 separate networks, linked by routers\n Each network needs its own prefix" .STR "\nSo we need " .STR ITALICS ON "more" .STR ITALICS OFF " prefixes but each with " .STR ITALICS ON "fewer" .STR ITALICS OFF " IP numbers available" END PICTURE NOTES .GRP BACKFILL <34 0 5 1000 0 0 0> PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 250 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> .TMP AT (250,250) RECOLOR ON TEMPLATE_FLAGS <5 14 0 0> T_POS <250 250 7249 4875> .VOID .TMP AT (250,5125) RECOLOR ON TEMPLATE_FLAGS <6 15 0 0> T_POS <250 5125 7249 9749> .VOID END .GRP END NOTES SLIDE_INFO SLIDE_STYLE <0 -1 1> LAYOUT_ID <1 2 12 12 12> END SLIDE_INFO PICTURE .TXT AT (489,3634) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 PARA <0 0 0 0 1000 34 0 111> V_SPACE <0 333 0> SIZE 240000 L_SPACE 333 MARGINS <0 0 0 0> FLD_XYSCALE <15218 14818> TXTXYOFF <-49 354> T_PNTS (0,354)(0,0)(9334,0)(9334,365)(0,365)(0,354)(9334,354) H_SPACE 0 .STR BACKFILL <7 20 5 1000 0 0 0> L_SPACE 250 FLD_XYSCALE <10000 10000> "11000011 10110000 01110100 0" .STR BACKFILL <34 20 5 1000 0 0 0> L_SPACE 333 FLD_XYSCALE <15218 14818> "hhhhhhh" .LINE AT (7907,3579) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> THICKNESS 1 V_SPACE <0 250 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> FLD_XYSCALE <10000 10000> PNTS (0,0)(0,502) .GRP BACKFILL <1 0 0 0 0 0 0> LINEFILL <1 2 5 1000 0 0 0> SHADOW <6 0 15 15> PARA <0 0 0 0 1000 1 0 111> FONT 0 .POL AT (69,3228) BACKFILL <1 0 0 5 0 0 0> THICKNESS 0 PNTS (234,0)(222,2)(210,2)(202,2)(195,5)(182,8)(172,12)(160,14) (148,19)(139,24)(128,29)(118,35)(108,42)(98,49)(89,56)(80,64) (72,72)(63,81)(56,90)(51,99)(42,107)(37,120)(30,129)(26,138) (19,150)(16,163)(12,173)(10,185)(5,198)(5,209)(2,222)(1,235) (0,247)(0,433)(1,420)(2,408)(5,396)(5,385)(10,381)(12,370) (16,359)(19,347)(26,336)(30,327)(37,315)(42,306)(51,296)(56,288) (63,278)(72,270)(80,261)(89,253)(98,247)(108,240)(118,233) (128,226)(139,222)(148,217)(160,212)(172,208)(182,204)(195,202) (202,200)(210,199)(222,198)(234,198)(234,0) .POL AT (74,3475) BACKFILL <51 0 0 5 0 0 0> PNTS (398,336)(233,519)(233,433)(219,433)(207,431)(197,430)(192,428) (180,425)(168,422)(158,417)(147,412)(136,409)(126,403)(116,397) (105,391)(97,385)(87,376)(78,369)(69,361)(62,352)(54,343)(46,334) (40,323)(33,314)(28,305)(23,294)(16,281)(14,272)(8,260)(5,249) (5,236)(0,225)(0,213)(0,201)(0,186)(0,0)(0,12)(0,24)(0,36) (5,49)(5,60)(8,73)(14,84)(16,94)(23,107)(28,118)(33,127)(40,138) (46,138)(54,146)(62,155)(69,164)(78,172)(87,180)(97,187)(105,194) (116,201)(126,207)(136,213)(147,217)(158,222)(168,225)(180,229) (192,231)(197,233)(207,235)(219,236)(233,236)(233,158)(398,336) .POL AT (303,3809) BACKFILL <1 0 0 5 0 0 0> PNTS (6,185)(1,184)(168,0)(172,3)(4,187)(0,185)(4,187)(0,192)(0,185) (6,185) .POL AT (303,3905) PNTS (4,0)(6,3)(6,89)(0,89)(0,3)(4,5)(4,0)(6,0)(6,3)(4,0) .POL AT (69,3661) PNTS (5,0)(6,0)(5,15)(6,27)(10,38)(10,50)(13,61)(17,74)(19,85)(26,95) (29,107)(35,116)(40,127)(46,137)(54,146)(61,155)(69,164)(76,173) (84,181)(92,189)(102,196)(112,202)(121,209)(132,215)(141,219) (153,226)(163,231)(175,234)(186,238)(198,239)(202,242)(212,244) (224,244)(238,244)(238,249)(224,249)(212,247)(202,247)(197,244) (185,240)(173,238)(162,234)(152,231)(140,224)(131,219)(118,213) (109,207)(99,199)(90,192)(82,184)(73,175)(64,167)(57,159)(51,150) (44,139)(37,128)(31,119)(26,109)(19,97)(16,87)(12,74)(10,63) (5,50)(5,39)(3,27)(1,15)(0,0)(0,0)(5,0) .POL AT (69,3475) PNTS (0,0)(5,0)(5,186)(0,186)(0,0)(5,0)(0,0) .POL AT (69,3475) PNTS (240,236)(238,239)(224,237)(212,236)(202,235)(197,233)(185,231) (173,227)(162,224)(152,218)(140,214)(131,208)(118,202)(109,196) (99,189)(90,182)(82,173)(73,165)(64,157)(57,147)(51,138)(44,138) (37,129)(31,118)(26,107)(19,95)(16,85)(12,74)(10,60)(5,49) (5,36)(3,24)(1,12)(0,0)(5,0)(5,12)(6,24)(10,35)(10,49)(13,60) (17,72)(19,83)(26,94)(29,105)(35,115)(40,125)(46,136)(54,138) (61,145)(69,154)(76,163)(84,170)(92,178)(102,185)(112,193) (121,199)(132,204)(141,209)(153,216)(163,218)(175,223)(186,226) (198,229)(202,231)(212,232)(224,234)(238,234)(234,236)(240,236) .POL AT (303,3628) PNTS (1,7)(6,5)(6,83)(0,83)(0,5)(4,4)(0,5)(0,0)(4,4)(1,7) .POL AT (304,3632) PNTS (167,177)(167,180)(0,3)(3,0)(171,177)(171,180)(171,177)(172,179) (171,180)(167,177) END .GRP .LINE AT (7938,4068) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> LINEFILL <21 21 5 1000 0 0 0> SHADOW <11 0 15 15> THICKNESS 56 PARA <0 0 0 0 1000 34 0 111> FONT 1 PNTS (0,0)(1956,0) .TXT AT (461,2890) RECOLOR ON BACKFILL <27 20 5 1000 0 0 0> THICKNESS 0 V_SPACE <0 333 0> SIZE 240000 L_SPACE 333 MARGINS <0 0 0 0> FLD_XYSCALE <15218 14818> TXTXYOFF <-49 363> T_PNTS (0,363)(0,0)(3866,0)(3866,410)(0,410)(0,363)(3866,363) .STR L_SPACE 250 FLD_XYSCALE <10000 10000> "195.176.112.0/25" .TXT AT (496,5151) RECOLOR ON L_SPACE 333 FLD_XYSCALE <15218 14818> TXTXYOFF <0 345> T_PNTS (0,345)(0,0)(7715,0)(7715,1407)(0,1407)(0,345)(7715,345) .STR L_SPACE 250 FLD_XYSCALE <10000 10000> "195.176.112.0 to 195.176.112.127\n\n" .STR SIZE 180000 L_SPACE 333 FLD_XYSCALE <15218 14818> "(195.176.112.1 to 195.176.112.126 usable)" .TMP AT (103,84) RECOLOR ON TEMPLATE_FLAGS <1 0 0 0> T_POS <103 84 9891 1922> .TXT AT (2716,257) RECOLOR ON TEMPLATED ON BACKFILL <7 7 0 0 0 0 0> THICKNESS 1 PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 611 0> SIZE 440000 BOLD ON HOR_JUST CENTER L_SPACE 611 FLD_XYSCALE <10000 10000> TXTXYOFF <-46 438> T_PNTS (0,438)(0,0)(4651,0)(4651,569)(0,569)(0,438)(4651,438) H_SPACE 9789 .STR "Example (contd)" .TMP AT (103,2089) RECOLOR ON TEMPLATE_FLAGS <2 3 0 0> T_POS <103 2089 9891 7369> .TXT AT (96,2210) RECOLOR ON TEMPLATED ON BACKFILL <20 20 0 19 0 0 0> PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 BOLD OFF HOR_JUST LEFT L_SPACE 444 TXTXYOFF <7 323> T_PNTS (0,323)(0,0)(5663,0)(5663,421)(0,421)(0,323)(5663,323) .STR "Prefix we have been given" END PICTURE NOTES .GRP BACKFILL <34 0 5 1000 0 0 0> PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 250 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> .TMP AT (250,250) RECOLOR ON TEMPLATE_FLAGS <5 14 0 0> T_POS <250 250 7249 4875> .VOID .TMP AT (250,5125) RECOLOR ON TEMPLATE_FLAGS <6 15 0 0> T_POS <250 5125 7249 9749> .VOID END .GRP END NOTES SLIDE_INFO SLIDE_STYLE <0 -1 1> LAYOUT_ID <1 2 12 12 12> END SLIDE_INFO PICTURE .TXT AT (238,3139) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 PARA <0 0 0 0 1000 34 0 111> V_SPACE <0 333 0> SIZE 240000 L_SPACE 333 MARGINS <0 0 0 0> FLD_XYSCALE <15218 14818> TXTXYOFF <-49 354> T_PNTS (0,354)(0,0)(9334,0)(9334,365)(0,365)(0,354)(9334,354) H_SPACE 0 .STR BACKFILL <7 20 5 1000 0 0 0> L_SPACE 250 FLD_XYSCALE <10000 10000> "11000011 10110000 01110100 0" .STR BACKFILL <20 20 5 1000 0 0 0> L_SPACE 333 FLD_XYSCALE <15218 14818> "nnn" .STR BACKFILL <34 20 5 1000 0 0 0> "hhhh" .LINE AT (8499,3061) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> THICKNESS 1 V_SPACE <0 250 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> FLD_XYSCALE <10000 10000> PNTS (0,0)(0,502) .LINE AT (8513,3546) RECOLOR ON THICKNESS 56 PNTS (0,0)(1161,0) .TXT AT (78,4170) RECOLOR ON BACKFILL <20 20 0 0 0 0 0> THICKNESS 1 PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 L_SPACE 444 MARGINS <0 0 0 0> TXTXYOFF <7 326> T_PNTS (0,326)(0,0)(6394,0)(6394,424)(0,424)(0,326)(6394,326) H_SPACE 9789 .STR "What is the new prefix length?" .TXT AT (74,5173) RECOLOR ON TXTXYOFF <7 323> T_PNTS (0,323)(0,0)(9254,0)(9254,1365)(0,1365)(0,323)(9254,323) .STR "\nNow we have 3 more bits of network number and 3 less bits of host number\nHow many combinations of nnn are there?" .TMP AT (103,84) RECOLOR ON TEMPLATE_FLAGS <1 0 0 0> T_POS <103 84 9891 1922> .TXT AT (2716,257) RECOLOR ON TEMPLATED ON BACKFILL <7 7 0 0 0 0 0> PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 611 0> SIZE 440000 BOLD ON HOR_JUST CENTER L_SPACE 611 TXTXYOFF <-46 438> T_PNTS (0,438)(0,0)(4651,0)(4651,569)(0,569)(0,438)(4651,438) .STR "Example (contd)" .TMP AT (103,2089) RECOLOR ON TEMPLATE_FLAGS <2 3 0 0> T_POS <103 2089 9891 7369> .TXT AT (96,2210) RECOLOR ON TEMPLATED ON BACKFILL <20 20 0 19 0 0 0> PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 BOLD OFF HOR_JUST LEFT L_SPACE 444 TXTXYOFF <7 323> T_PNTS (0,323)(0,0)(6777,0)(6777,421)(0,421)(0,323)(6777,323) .STR "Now let's make the prefix longer" END PICTURE NOTES .GRP BACKFILL <34 0 5 1000 0 0 0> PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 250 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> .TMP AT (250,250) RECOLOR ON TEMPLATE_FLAGS <5 14 0 0> T_POS <250 250 7249 4875> .VOID .TMP AT (250,5125) RECOLOR ON TEMPLATE_FLAGS <6 15 0 0> T_POS <250 5125 7249 9749> .VOID END .GRP END NOTES SLIDE_INFO SLIDE_STYLE <0 -1 1> LAYOUT_ID <1 2 12 12 12> END SLIDE_INFO PICTURE .TXT AT (235,3131) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 PARA <0 0 0 0 1000 34 0 111> V_SPACE <0 333 0> SIZE 240000 L_SPACE 333 MARGINS <0 0 0 0> FLD_XYSCALE <15218 14818> TXTXYOFF <-49 354> T_PNTS (0,354)(0,0)(9334,0)(9334,365)(0,365)(0,354)(9334,354) H_SPACE 0 .STR BACKFILL <7 20 5 1000 0 0 0> L_SPACE 250 FLD_XYSCALE <10000 10000> "11000011 10110000 01110100 0" .STR BACKFILL <20 20 5 1000 0 0 0> L_SPACE 333 FLD_XYSCALE <15218 14818> "000" .STR BACKFILL <34 20 5 1000 0 0 0> "hhhh" .LINE AT (8499,3061) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> THICKNESS 1 V_SPACE <0 250 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> FLD_XYSCALE <10000 10000> PNTS (0,0)(0,502) .LINE AT (8513,3546) RECOLOR ON THICKNESS 56 PNTS (0,0)(1161,0) .TXT AT (241,3639) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 V_SPACE <0 333 0> SIZE 240000 L_SPACE 333 MARGINS <0 0 0 0> FLD_XYSCALE <15218 14818> T_PNTS (0,354)(0,0)(9334,0)(9334,365)(0,365)(0,354)(9334,354) .STR BACKFILL <7 20 5 1000 0 0 0> L_SPACE 250 FLD_XYSCALE <10000 10000> "11000011 10110000 01110100 0" .STR BACKFILL <20 20 5 1000 0 0 0> L_SPACE 333 FLD_XYSCALE <15218 14818> "001" .STR BACKFILL <34 20 5 1000 0 0 0> "hhhh" .LINE AT (8506,3566) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> THICKNESS 1 V_SPACE <0 250 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> FLD_XYSCALE <10000 10000> PNTS (0,0)(0,502) .LINE AT (8520,4051) RECOLOR ON THICKNESS 56 PNTS (0,0)(1161,0) .TXT AT (241,4142) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 V_SPACE <0 333 0> SIZE 240000 L_SPACE 333 MARGINS <0 0 0 0> FLD_XYSCALE <15218 14818> T_PNTS (0,354)(0,0)(9334,0)(9334,365)(0,365)(0,354)(9334,354) .STR BACKFILL <7 20 5 1000 0 0 0> L_SPACE 250 FLD_XYSCALE <10000 10000> "11000011 10110000 01110100 0" .STR BACKFILL <20 20 5 1000 0 0 0> L_SPACE 333 FLD_XYSCALE <15218 14818> "010" .STR BACKFILL <34 20 5 1000 0 0 0> "hhhh" .LINE AT (8506,4065) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> THICKNESS 1 V_SPACE <0 250 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> FLD_XYSCALE <10000 10000> PNTS (0,0)(0,502) .LINE AT (8520,4550) RECOLOR ON THICKNESS 56 PNTS (0,0)(1161,0) .TXT AT (241,4637) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 V_SPACE <0 333 0> SIZE 240000 L_SPACE 333 MARGINS <0 0 0 0> FLD_XYSCALE <15218 14818> T_PNTS (0,354)(0,0)(9334,0)(9334,365)(0,365)(0,354)(9334,354) .STR BACKFILL <7 20 5 1000 0 0 0> L_SPACE 250 FLD_XYSCALE <10000 10000> "11000011 10110000 01110100 0" .STR BACKFILL <20 20 5 1000 0 0 0> L_SPACE 333 FLD_XYSCALE <15218 14818> "011" .STR BACKFILL <34 20 5 1000 0 0 0> "hhhh" .LINE AT (8506,4566) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> THICKNESS 1 V_SPACE <0 250 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> FLD_XYSCALE <10000 10000> PNTS (0,0)(0,502) .LINE AT (8520,5051) RECOLOR ON THICKNESS 56 PNTS (0,0)(1161,0) .TXT AT (241,5136) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 V_SPACE <0 333 0> SIZE 240000 L_SPACE 333 MARGINS <0 0 0 0> FLD_XYSCALE <15218 14818> T_PNTS (0,354)(0,0)(9334,0)(9334,365)(0,365)(0,354)(9334,354) .STR BACKFILL <7 20 5 1000 0 0 0> L_SPACE 250 FLD_XYSCALE <10000 10000> "11000011 10110000 01110100 0" .STR BACKFILL <20 20 5 1000 0 0 0> L_SPACE 333 FLD_XYSCALE <15218 14818> "100" .STR BACKFILL <34 20 5 1000 0 0 0> "hhhh" .LINE AT (8506,5065) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> THICKNESS 1 V_SPACE <0 250 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> FLD_XYSCALE <10000 10000> PNTS (0,0)(0,502) .LINE AT (8520,5550) RECOLOR ON THICKNESS 56 PNTS (0,0)(1161,0) .TXT AT (241,5640) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 V_SPACE <0 333 0> SIZE 240000 L_SPACE 333 MARGINS <0 0 0 0> FLD_XYSCALE <15218 14818> T_PNTS (0,354)(0,0)(9334,0)(9334,365)(0,365)(0,354)(9334,354) .STR BACKFILL <7 20 5 1000 0 0 0> L_SPACE 250 FLD_XYSCALE <10000 10000> "11000011 10110000 01110100 0" .STR BACKFILL <20 20 5 1000 0 0 0> L_SPACE 333 FLD_XYSCALE <15218 14818> "101" .STR BACKFILL <34 20 5 1000 0 0 0> "hhhh" .LINE AT (8506,5566) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> THICKNESS 1 V_SPACE <0 250 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> FLD_XYSCALE <10000 10000> PNTS (0,0)(0,502) .LINE AT (8520,6051) RECOLOR ON THICKNESS 56 PNTS (0,0)(1161,0) .TXT AT (241,6139) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 V_SPACE <0 333 0> SIZE 240000 L_SPACE 333 MARGINS <0 0 0 0> FLD_XYSCALE <15218 14818> T_PNTS (0,354)(0,0)(9334,0)(9334,365)(0,365)(0,354)(9334,354) .STR BACKFILL <7 20 5 1000 0 0 0> L_SPACE 250 FLD_XYSCALE <10000 10000> "11000011 10110000 01110100 0" .STR BACKFILL <20 20 5 1000 0 0 0> L_SPACE 333 FLD_XYSCALE <15218 14818> "110" .STR BACKFILL <34 20 5 1000 0 0 0> "hhhh" .LINE AT (8506,6065) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> THICKNESS 1 V_SPACE <0 250 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> FLD_XYSCALE <10000 10000> PNTS (0,0)(0,502) .LINE AT (8520,6550) RECOLOR ON THICKNESS 56 PNTS (0,0)(1161,0) .TXT AT (241,6636) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 V_SPACE <0 333 0> SIZE 240000 L_SPACE 333 MARGINS <0 0 0 0> FLD_XYSCALE <15218 14818> T_PNTS (0,354)(0,0)(9334,0)(9334,365)(0,365)(0,354)(9334,354) .STR BACKFILL <7 20 5 1000 0 0 0> L_SPACE 250 FLD_XYSCALE <10000 10000> "11000011 10110000 01110100 0" .STR BACKFILL <20 20 5 1000 0 0 0> L_SPACE 333 FLD_XYSCALE <15218 14818> "111" .STR BACKFILL <34 20 5 1000 0 0 0> "hhhh" .LINE AT (8506,6566) RECOLOR ON BACKFILL <34 2 5 1000 0 0 0> THICKNESS 1 V_SPACE <0 250 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> FLD_XYSCALE <10000 10000> PNTS (0,0)(0,502) .LINE AT (8520,7051) RECOLOR ON THICKNESS 56 PNTS (0,0)(1161,0) .TMP AT (103,84) RECOLOR ON TEMPLATE_FLAGS <1 0 0 0> T_POS <103 84 9891 1922> .TXT AT (2716,257) RECOLOR ON TEMPLATED ON BACKFILL <7 7 0 0 0 0 0> THICKNESS 1 PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 611 0> SIZE 440000 BOLD ON HOR_JUST CENTER L_SPACE 611 MARGINS <0 0 0 0> TXTXYOFF <-46 438> T_PNTS (0,438)(0,0)(4651,0)(4651,569)(0,569)(0,438)(4651,438) H_SPACE 9789 .STR "Example (contd)" .TMP AT (103,2089) RECOLOR ON TEMPLATE_FLAGS <2 3 0 0> T_POS <103 2089 9891 7369> .TXT AT (96,2210) RECOLOR ON TEMPLATED ON BACKFILL <20 20 0 19 0 0 0> PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 BOLD OFF HOR_JUST LEFT L_SPACE 444 TXTXYOFF <7 323> T_PNTS (0,323)(0,0)(7642,0)(7642,416)(0,416)(0,323)(7642,323) .STR "We have created these new prefixes" END PICTURE NOTES .GRP BACKFILL <34 0 5 1000 0 0 0> PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 250 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> .TMP AT (250,250) RECOLOR ON TEMPLATE_FLAGS <5 14 0 0> T_POS <250 250 7249 4875> .VOID .TMP AT (250,5125) RECOLOR ON TEMPLATE_FLAGS <6 15 0 0> T_POS <250 5125 7249 9749> .VOID END .GRP END NOTES SLIDE_INFO SLIDE_STYLE <0 -1 1> LAYOUT_ID <1 2 12 12 12> END SLIDE_INFO PICTURE .TMP AT (103,84) RECOLOR ON TEMPLATE_FLAGS <1 0 0 0> T_POS <103 84 9891 1922> .TXT AT (2716,257) RECOLOR ON TEMPLATED ON BACKFILL <7 7 0 0 0 0 0> V_SPACE <0 611 0> SIZE 440000 BOLD ON HOR_JUST CENTER L_SPACE 611 MARGINS <0 0 0 0> TXTXYOFF <-46 438> T_PNTS (0,438)(0,0)(4651,0)(4651,569)(0,569)(0,438)(4651,438) .STR "Example (contd)" .TMP AT (103,2089) RECOLOR ON TEMPLATE_FLAGS <2 3 0 0> T_POS <103 2089 9891 7369> .TXT AT (96,2207) RECOLOR ON TEMPLATED ON BACKFILL <20 20 0 19 0 0 0> PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 BOLD OFF HOR_JUST LEFT L_SPACE 444 TXTXYOFF <7 326> T_PNTS (0,326)(0,0)(8656,0)(8656,1277)(0,1277)(0,326)(8656,326) .STR "How many hosts can each network have?" .STR "\nWhat are the network numbers we have created?" END PICTURE NOTES .GRP BACKFILL <34 0 5 1000 0 0 0> PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 250 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> .TMP AT (250,250) RECOLOR ON TEMPLATE_FLAGS <5 14 0 0> T_POS <250 250 7249 4875> .VOID .TMP AT (250,5125) RECOLOR ON TEMPLATE_FLAGS <6 15 0 0> T_POS <250 5125 7249 9749> .VOID END .GRP END NOTES SLIDE_INFO SLIDE_STYLE <0 -1 1> LAYOUT_ID <1 2 12 12 12> END SLIDE_INFO PICTURE .TXT AT (1874,2876) RECOLOR ON BACKFILL <27 20 5 1000 0 0 0> THICKNESS 0 PARA <0 0 0 0 1000 34 0 111> V_SPACE <0 333 0> SIZE 240000 L_SPACE 333 MARGINS <0 0 0 0> FLD_XYSCALE <15218 14818> TXTXYOFF <-49 363> T_PNTS (0,363)(0,0)(3590,0)(3590,410)(0,410)(0,363)(3590,363) H_SPACE 0 .STR L_SPACE 250 FLD_XYSCALE <10000 10000> "192.168.34.0/24" .TXT AT (96,3675) RECOLOR ON BACKFILL <20 20 0 0 0 0 0> THICKNESS 1 PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 L_SPACE 444 TXTXYOFF <7 318> T_PNTS (0,318)(0,0)(9056,0)(9056,2304)(0,2304)(0,318)(9056,318) H_SPACE 9789 .STR "What is the smallest and largest IP number in this range?\nTurn this into two /25 prefixes\nWhat are the smallest and largest I P numbers in each of the new ranges?" .TMP AT (103,84) RECOLOR ON TEMPLATE_FLAGS <1 0 0 0> T_POS <103 84 9891 1922> .TXT AT (269,256) RECOLOR ON TEMPLATED ON BACKFILL <7 7 0 0 0 0 0> PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 611 0> SIZE 440000 BOLD ON HOR_JUST CENTER L_SPACE 611 TXTXYOFF <-46 439> T_PNTS (0,439)(0,0)(9546,0)(9546,571)(0,571)(0,439)(9546,439) .STR "Dividing Prefixes - class example" .TMP AT (103,2089) RECOLOR ON TEMPLATE_FLAGS <2 3 0 0> T_POS <103 2089 9891 7369> .TXT AT (96,2210) RECOLOR ON TEMPLATED ON BACKFILL <20 20 0 19 0 0 0> PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 BOLD OFF HOR_JUST LEFT L_SPACE 444 TXTXYOFF <7 323> T_PNTS (0,323)(0,0)(3561,0)(3561,416)(0,416)(0,323)(3561,323) .STR "Here is a prefix:" END PICTURE NOTES .GRP BACKFILL <34 0 5 1000 0 0 0> PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 250 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> .TMP AT (250,250) RECOLOR ON TEMPLATE_FLAGS <5 14 0 0> T_POS <250 250 7249 4875> .VOID .TMP AT (250,5125) RECOLOR ON TEMPLATE_FLAGS <6 15 0 0> T_POS <250 5125 7249 9749> .VOID END .GRP END NOTES SLIDE_INFO SLIDE_STYLE <0 -1 1> LAYOUT_ID <1 2 12 12 12> END SLIDE_INFO PICTURE .TXT AT (85,5924) RECOLOR ON BACKFILL <20 20 0 0 0 0 0> PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 L_SPACE 444 MARGINS <0 0 0 0> T_PNTS (0,323)(0,0)(8802,0)(8802,1309)(0,1309)(0,323)(8802,323) .STR "\n\"Aggregation\" is the process of combining smaller prefixes into larger ones - the reverse of what we have been doing" .POL AT (3000,3500) RECOLOR ON BACKFILL <34 2 0 0 0 0 0> THICKNESS 56 PARA <0 0 0 0 1000 34 0 111> V_SPACE <0 250 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> PNTS (0,250)(0,0)(2000,0)(2000,250)(2000,250) .POL AT (2500,4499) RECOLOR ON PNTS (0,250)(0,0)(999,0)(999,250)(999,250) .POL AT (4499,4501) RECOLOR ON PNTS 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(0,245)(0,0)(453,0)(453,277)(0,277)(0,245)(453,245) .STR L_SPACE 250 "/25" .TMP AT (103,84) RECOLOR ON TEMPLATE_FLAGS <1 0 0 0> T_POS <103 84 9891 1922> .TXT AT (2487,257) RECOLOR ON TEMPLATED ON BACKFILL <7 7 0 0 0 0 0> THICKNESS 1 PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 611 0> SIZE 440000 BOLD ON L_SPACE 611 TXTXYOFF <0 438> T_PNTS (0,438)(0,0)(5021,0)(5021,570)(0,570)(0,438)(5021,438) H_SPACE 9789 .STR "Aggregation Tree" .TMP AT (103,2089) RECOLOR ON TEMPLATE_FLAGS <2 3 0 0> T_POS <103 2089 9891 7369> .TXT AT (96,2210) RECOLOR ON TEMPLATED ON BACKFILL <20 20 0 19 0 0 0> PARA <-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 BOLD OFF HOR_JUST LEFT L_SPACE 444 TXTXYOFF <7 323> T_PNTS (0,323)(0,0)(6851,0)(6851,421)(0,421)(0,323)(6851,323) .STR "A useful tool for dividing prefixes" END PICTURE NOTES .GRP BACKFILL <34 0 5 1000 0 0 0> PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 250 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> .TMP AT (250,250) RECOLOR ON TEMPLATE_FLAGS <5 14 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<-500 500 -500 1 1000 0 2 108> V_SPACE <56 444 0> SIZE 320000 HOR_JUST LEFT L_SPACE 444 TXTXYOFF <7 323> T_PNTS (0,323)(0,0)(9257,0)(9257,865)(0,865)(0,323)(9257,323) H_SPACE 9789 .STR "But check your work - work out the ranges of IP numbers and see that they don't overlap" .TXT AT (6249,3749) RECOLOR ON BACKFILL <20 20 5 1000 0 0 0> THICKNESS 0 PARA <0 0 0 0 1000 34 0 111> V_SPACE <0 333 0> SIZE 180000 L_SPACE 250 MARGINS <125 125 250 62> TXTXYOFF <0 0> PNTS (0,0)(3500,0)(3500,1500)(0,1500)(0,0) H_SPACE 0 .STR SIZE 240000 ITALICS ON "This is OK: one /26 network and two /27 networks" .TMP AT (103,84) RECOLOR ON TEMPLATE_FLAGS <1 0 0 0> T_POS <103 84 9891 1922> .TXT AT (1382,257) RECOLOR ON TEMPLATED ON BACKFILL <7 7 0 0 0 0 0> THICKNESS 1 PARA <0 0 0 0 1000 1 0 111> V_SPACE <0 611 0> SIZE 440000 BOLD ON ITALICS OFF HOR_JUST CENTER L_SPACE 611 MARGINS <0 0 0 0> TXTXYOFF <0 438> T_PNTS (0,438)(0,0)(7233,0)(7233,570)(0,570)(0,438)(7233,438) H_SPACE 9789 .STR "Aggregation Tree (contd)" 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