1.­p¹ººK­n

ªñ¦~¨Ó¥Ñ©óºô¸ô³W¼Òªº½´«kµo®i¡A­l¥Í¤F³\¦hªº°ÝÃD¡C­º¥ýIP¦ì§}ªº¼Æ¶q¦b¥¼¨Ó±N¤£¼Å¨Ï¥Î¡A¦b³o¤è­±¡A¥¼¨Ó±N¥H128 bitªºIPv6¦ì§}¨Ó¨ú¥N²{¦æ32 bit ªºIPv4¡C¥t¥~¡A¥Ø«eªººô»Úºô¸ô¬[ºc¨Ã¥¼¯à´£¨Ñ¶Ç¿éªA°È«~½è(Quality of Services, QoS)«OÃÒ¡A¹ï©ó§Y®É©Êªº»y­µ©Îµø°T¸ê®Æ¶Ç¿é¡A¥i¯àµLªk¦b­n¨Dªº®É¶¡¤§¤º¨ì¹F¥Øªº¦a¡A³y¦¨ªA°Èªº«~½è¤£¨Î¡A¬G´£¨ÑªA°È«~½è«OÃÒ¬O¤U¤@¥Nºô»Úºô¸ô¥²¶·¨ã³Æªº¥\¯à¡A®t§O¦¡ªA°Èºô¸ô(Differentiated-Service, DiffServ)§Y¬O°w¹ï¦¹¦]¯À©Ò´£¥Xªººô¸ô¬[ºc¤§¤@¡A¸Óºô¸ôºô°ì¸Ìªº¸ô¥Ñ¾¹·|§Q¥Î«Ê¥]¤ÀÃþ(packet classification)¨M©w¿ï¾Ü¬Û¹ïÀ³ªº«Ê¥]¶Ç°e¤è¦¡¡A¶i¦æ¤£¦Pªº±Æµ{(scheduling)³B²z¡A¥H´£¨Ñ¤£¦PªA°È«~½èªº»Ý¨D¡C

 

¥»­pµeªººc«ä¡A¬O°w¹ï¥¼¨Óºô¸ôªº¯S©Ê¡]IPv6¡BDiffServ¡^¡A¥ý°µ¬ÛÃöªº¬ã¨s¡A¨Ã¦bNBEN¤W¬[ºcIPv6ºô¸ô¡A§Q¥ÎIPv6ªºDSCP(DiffServ Code Points)¨Ó°µDiffServ¡A¥H´Á¹F¨ìQoSªº«OÃÒ¡A¨Ã±H±æ¥¼¨Ó¯à¹ê¥Î¨ì¤@¯ëªººô¸ô¡C

 

 

 

 

 

 

 

 

 

 

 

 

 

2.­pµe¤§­I´º¤Î¥Øªº

¥Ø«eªººô»Úºô¸ô¬[ºc¨Ã¥¼´£¨Ñ¶Ç¿éªA°È«~½è(Quality of Services, QoS)«OÃÒ¡A¹ï©ó§Y®É©Êªº»y­µ©Îµø°T¸ê®Æ¶Ç¿é¡A¥i¯àµLªk¦b­n¨Dªº®É¶¡¤§¤º¨ì¹F¥Øªº¦a¡A³y¦¨ªA°Èªº«~½è¤£¨Î¡CIETF(Internet Engineering Task Force)²Õ´©Ò´£¥Xªº®t§O¦¡ªA°È(Differentiated-Service, Diffserv)ºô¸ô¬[ºc«h´£¨ÑªA°È«~½è«OÃÒ¡A¦b®t§O¦¡ºô¸ôºô°ì¸Ìªº¸ô¥Ñ¾¹·|¨Ì·Ó¸ê®Æ»Ý¨D¶i¦æ«Ê¥]¤ÀÃþ(Packet Classification)¨Ã¼Ð°O¥X¾A·íªºDSCP(DiffServ Codepoint)­È¡A¦A¨Ì·Ó¤£¦PªºDSCP­È¡A¨M©w¿ï¾Ü¬Û¹ïÀ³ªº«Ê¥]¶Ç°e¤è¦¡¨Ã¶i¦æ¤£¦Pªº±Æµ{(Scheduling)³B²z¡A¥H´£¨Ñ¤£¦PªA°È«~½èªº»Ý¨D¡C

 

®t§O¦¡ªA°Èºô¸ô°Ï°ì(DiffServ Region)¬O¥Ñ¤@¸s©¼¦¹¬Û³sªº®t§O¦¡ªA°Èºô¸ôºô°ì(DiffServ Domain)©Òºc¦¨ªº¾ãÅéºô¸ô¡Aºô°ì¤§¶¡¥ÑÃä¹Ò¤WªºÃä¬É¸`ÂI(Boundary Nodes)ºc¦¨³sµ²¡A³o¨ÇÃä¬É¸`ÂI¥²¶·¤ä´©®t§O¦¡ªA°È¨Ã¥B­t³d¸ê®Æ¬yªº¤ÀÃþ¡B¼Ð°O¡B¶q´ú»PºÊ±±µ¥®t§O¦¡ªA°Èªº¥D­n¤u§@¡A¦ì©óºô°ì¤º³¡ªº¤º³¡(Interior)©Î®Ö¤ß(Core)¸`ÂI­t³d«Ê¥]ªºÂà°e¤u§@¡A³o¨Ç¤º³¡¸`ÂI¥i¥H¥Ñ¶È¤ä´©°ò¥»®t§O¦¡ªA°È¥\¯à­©Î¬O¥¼¤ä´©®t§O¦¡ªA°Èªº¸`ÂI¨Ó¾á¥ô¡A®t§O¦¡ªA°Èºô¸ôªº¤@­Ó³]­p­nÂI´N¬O¥ÑÃä¹Ò¸`ÂI¨Ó°õ¦æ¤j¦h¼Æªº®t§O¦¡ªA°È¥\¯à¡A¨Ï±oºô°ì¤¤ªº¤º³¡¸`ÂI¤£·|¦]¬°³o¨ÇÃB¥~ªº®t§O¦¡ªA°È¥\¯à¦Ó¼vÅT«Ê¥]Âà°eªº®Ä¯à¡C°w¹ï¤@­Ó¥Ñµo°eºÝ(Source)¨ì¥ØªººÝ(destination)ªº¸ê®Æ¬y¦Ó¨¥¡A¾aªñµo°eºÝªº®t§O¦¡ªA°Èºô°ì¬Û¹ï©ó¾aªñ¥ØªººÝªººô°ì¡A¤@¬°¤W´åºô°ì(Upstream Domain)¡A¥t¤@¬°¤U´åºô°ì(Downstream Domain)¡A¹ï¤@­Ó®t§O¦¡ªA°Èºô°ì¦Ó¨¥¡A¾aªñ¤W´å¦Ó¶i¤J¸Óºô°ìªºÃä¬É¸`ÂI(Boundary Node)¬°¤J¤f¸`ÂI(Ingress Node)¡A¦ÓÂ÷¶}¸Óºô°ì¶i¤J¤U´åºô°ìªºÃä¬É¸`ÂI«hºÙ¤§¬°¥X¤f¸`ÂI(Egress Node)¡A­Y¥H¤£¦P¤è¦Vªº¸ê®Æ¬y¨Ó¬Ý¡AÃä¬É¸`ÂI¥i¯à¬°¤@¸ê®Æ¬yªº¤J¤f¸`ÂI¡A«o¤]¬O¥t¤@¸ê®Æ¬yªº¥X¤f¸`ÂI¡C¹Ï1§Y¬°¤@­Ó¨å«¬ªº®t§O¦¡ªA°Èºô¸ô¬[ºc¡C

 

 

 

¹Ï1 ®t§O¦¡ªA°Èºô¸ô¬[ºc¹Ï

 

ºô»Úºô¸ô¤Wªº©Ò¦³³q°T¨ó©w»PªA°È¥Ø«e´X¥G³£¬O±Ä¥ÎIP«Ê¥]ªºªA°È¡A¬°¤F´£¨Ñ¾A·íªº®t§O¦¡ªA°È«~½è¡AIETF²Õ´©w¸q¤F·sª©ªºIPv6 (Internet Protocol, version 6)¡A°ò©óÂX¥R©Êªº¦Ò¶q¡A¸Ó²Õ´¤À§O´NIPv4»PIPv6ªº«Ê¥]¼ÐÀY­«·s©w¸q®t§O¦¡ªA°ÈÄæ¦ì¡G¦bIPv4«Ê¥]¼ÐÀY¤¤¤K­Ó¦ì¤¸¤j¤pªºªA°È«¬ºAÄæ¦ì(Type of Services, TOS)¥Î¨Ó¤À¿ë¦UºØªA°È«¬ºA¡A®t§O¦¡ªA°È©w¸q³o¤K­Ó¦ì¤¸¬°®t§O¦¡ªA°ÈÄæ¦ì(DiffServ Field)¡A¦p¹Ï2©Ò¥Ü¡A¨ä¤¤¤»­Ó¦ì¤¸§@¬°DSCP­È¡A¥t¥~¨â­Ó¦ì¤¸«h¥¼©w¸q¨Ï¥Î(Currently Unused, CU)¡FIPv6ªº«Ê¥]¼ÐÀY«h©w¸q¦b¸ê®ÆÃþ§O(Traffic Class)Äæ¦ì¡A¦p¹Ï3©Ò¥Ü¡A©Ò¦³¦ì¤¸ªº©w¸q»PIPv4¬Û¦P¡C¥Ñ©óTOS»PTraffic Class³o¨â­ÓÄæ¦ì³£¥i¥H¥Î¨Ó°Ï¤À¤£¦P¸ê®Æ¬y©Î¤£¦PªA°Èªº«Ê¥]¸ê®Æ¡A¦]¦¹¦b¥¼¤ä´©®t§O¦¡ªA°Èªººô¸ô¸`ÂI¤W¡A¨Ã¤£·|¦]¬°³o¨ÇÄæ¦ìªº§ïÅܦӼvÅT¤F«Ê¥]ªº¥¿±`Âà°e»P¸ô¥Ñ¿ï¾Ü¡A¦]¦¹¹ï­ì¦³ªºIPºô¸ô¤´´£¨Ñ¤F¬Û®e©Ê¡C

 

 

 

 

 

¹Ï2®t§O¦¡ªA°ÈÄæ¦ì(IPv4)¥Ü·N¹Ï

 

 

¹Ï3®t§O¦¡ªA°ÈÄæ¦ì(IPv6)¥Ü·N¹Ï

 

¨C¤@­Ó®t§O¦¡ªA°ÈÄæ¦ì¤¤ªºDSCP³£¹ïÀ³¤F¤@­Ó³æ¤@¸õÅD¦æ¬°(Per-Hop Behavior, PHB)¡A¦]¦¹¤ä´©®t§O¦¡ªA°Èªº¸`ÂI¤W³£¥²¶·¦s¦b¤@­Ó¬M¹ïªí®æ(Mapping Table)¡A¥Î¥H°O¿ýDSCP¥H¤Î¬Û¹ïÀ³ªºPHB´£¨Ñ¸`ÂI§P§O±µ¦¬¨ì«Ê¥]¼ÐÀY¡A¨M©w«Ê¥]ÄÝ©ó­þ­ÓPHB¥H´£¨Ñ¬Û¹ïªºªA°È«~½è¡F¸Óªí®æªº¤º®e§Y¬O´y­z¤£¦P¸ê®Æ¬y¯S©Ê»P¨ä¦æ¬°(action)©Ò§Î¦¨ªº¶°¦X¡A¤@¯ë¤]±Nªí®æ¤¤¨C¤@­ÓEntryºÙ¤§¬°¤@­Ó¬Fµ¦(Policy)¡C¥Ø«eIFTF²Õ´¤w¸g½T©w¤F¤TºØPHB¡A¤À§O¬O§Ö³t¦¡Âà°e(Expedited Forwarding, EF) PHB¡B«OÃÒ¦¡Âà°e(Assured Forwarding, AF) PHB Group»P¹w³]¦¡Âà°e(Default Forwarding, DF) PHB¡C

 

¥»¬ã¨sªº¥Øªº¦b©ó¹êÅç¤@­Ó¦bIPv6ºô¸ô¤WªºDiffServ¡A¸ô¥Ñ¾¹¶i¦æ¸ê®Æ¬y¤ÀÃþ®É¯à§ó¦³®Ä²vªº°Ï¤À¤£¦P¬y¶qµ¥¯Å¡A¨Ã¯à¤À°t¤@¾A·íªºDSCP­È¨Ó¶i¦æ±Æµ{³B²z¡AÂǦӧﵽ¥Ø«eºô»Úºô¸ô¤WªºªA°È«~½è¡A¹F¦¨§ó¦nªº¶Ç¿éªA°È«~½è«OÃÒ¡C±Æµ{³B²zªº¾÷¨î»Ý¨ã³Æ°ÊºA½Õ¾ãºô¸ô¤W¦U­Ó¦î¦Cªº¸ê·½¤À°t¡A¨Ï¨ä¯à®Ú¾Ú·í®Éºô¸ôª¬ªp¦Ó¦³®Ä´£ª@ºô¸ôªº¨Ï¥Î²v(Utilization)»P¿é¥X²v(Throughput)¡C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3.­pµe¤§¤º®e»P»¡©ú

¥»­pµeµÛ­«¦bIPv6¤W¹ê§@DiffServ©M³]­pLinux PC Router¹ï¤£¦P¸ê®Æ¬yªº±Æµ{¡CIPv6¤è­±¡A§Ú­Ì±N®Ú¾ÚIPv6 Header¤¤8-bit Traffic ClassªºDSCP­È(¦p¹Ï3)¡Aµ¹¤©¤£¦Pªº±Æµ{³B²z¡F¦ÓRouter³]­p¤è­±¡A¦]¬°Linux¦b2.4.Xªº®Ö¤ßª©¥»¤¤³£¦³¤ä´©IPv6¡A¥u­n¦b½sĶ®Ö¤ß®É¡A±NIPv6ªº¬ÛÃö¿ï¶µEnable¡A§Y¥i¤ä´©IPv6¡A¥t¥~¦A§âNetwork Filter¤ÎQoS Queueingªº¬ÛÃö¿ï¶µEnable¡A§Ú­Ì´N¾Ö¦³Classifier¡BFilter¤ÎQoS Queueing¨Ó³]­p¤@­Ó¦bLinux¥­¥x¤W°õ¦æIPv6ªºDiffServ Router¡A¹ê§@¥X¦³®Ä²vªº±Æµ{¡A¨Ï±o°ªÀu¥ýÅvªºTraffic¯à§Ö³t¦a³q¹LIPv6 Router¡A§CÀu¥ýÅvªºTraffic¤]¯à¦³¤@©wªº¶Ç¿é²v¡A¤£¦Ü©ó¦³Starvationªº±¡ªp²£¥Í¡Q¥t¥~§Ú­Ì¤]§Q¥ÎBAY 5000¤º«ØªºPriority Queue¡A¨Ó¹ê§@IPv6 DiffServ¹êÅç¡A¨Ã»P§Ú­Ì³]­pªºLinux-PC IPv6/DiffServ Router¤ñ¸û¹êÅ窺µ²ªG¡C

 

3.1¹êÅ綵¥Ø

¥»­pµe³W¹º¤F¨â¤jÃþ¹êÅç¡A®Õ¤º»P®Õ¥~¨â³¡¤À¡C¨C³¡¤À¤S¤À¦¨¨â­Ó¹êÅç¡A¤À§O¥HBAY 5000©M§Ú­Ì³]­pªºIPv6-based Linux Router¡A¨Ã¹ï¨ä®Ä¯à°µ¤ñ¸û¡C®Õ¤º³¡¤À¡A³W¹º¤F¨â­Ó¹êÅç¡G

(1) ¥HBAY 5000¬°¥DªºIPv6 DiffServ¹êÅç

BAY 5000¬O¤@³¡¨ã¦³Priority QueueªºRouter¡A¨ä¤º³¡¦³¤TºØQueues¡A¤À§O¬OHigh Queue¡BNormal Queue¡BLow Queue¤TºØ¡A¨C­ÓQueue¤S¬O¥HFIFO(First In, First Out)¨Ó°µ±Æµ{¡AQueueªº¤j¤p¹w³]­È¬O20¡A¤£¹L¥i¥HÀH»Ý­n¦Ó°µ§ó§ï¡C¦¹¥~¡ABAY 5000´£¨Ñ¤F¨âºØ±Æµ{µ{¦¡¡A¤@¬OBandwidth Allocation Algorithm¡A¥t¤@¬OStrict Dequeueing Algorithm¡C

Bandwidth Allocation Algorithmªº¥\¯à¡A´N¬O¹ï¤T­ÓQueue¤À°tÀW¼e¦Ê¤À¤ñ¡A¤]´N¬O³]©w¦U­ÓQueueªºWeight¡A¨Ã¥H³]©wªºÀW¼e¦Ê¤À¤ñ§@¬°¶Ç°eªº¨Ì¾Ú¡A¦pHigh Queue=70%¡BNormal Queue=20%¡BLow Queue=10%¡ABAY 5000«h·|¥ý°eHigh Queue¤¤ªº«Ê¥]¡A¦A°eNormal Queueªº«Ê¥]¡A³Ì«á°eLow Queueªº«Ê¥]¡A¦û¥ÎÀW¼eªº¦Ê¤À¤ñ¬O7:2:1¡A¦Ó§¹¦¨¤@­ÓRoundªº±Æµ{¡A¤]´N¬O©Ò¿×ªºWRR(Weighted Round Robin)±Æµ{¡C

¥t¥~§Ú­Ì¥i¥H¿ï¥ÎStrict Dequeueing Algorithm¡A¸ÓAlgorithm¬O¥ý±NHigh Queue¤¤ªº«Ê¥]¥á¨ìTransmit Queue¤¤¡Aµ¥¨ìLatencyµ²§ô©Î¬OTransmit Queueº¡¤F´N°e¥X«Ê¥]¡C­Y¬O¦bLatencyµ²§ô«e¡AHigh Queue¤º¤w¸g¨S¦³«Ê¥]¡A´N·|§âNormal Queueªº«Ê¥]¥á¨ìTransmit Queue¤ºµ¥«Ý¶Ç°e¡A¦P²z­YLatencyµ²§ô«eNormal Queue¤º¤w¸g¨S¦³«Ê¥]¡ARouter´N·|§âLow Queue¤¤ªº«Ê¥]¥á¨ìTransmit Queue¤¤¡A¤@¥¹Latency¨ì¤F©Î¬OTransmit Queue¤wº¡¡A§Y°¨¤W°e¥XTransmit Queue¤¤ªº«Ê¥]¡A¦p¦¹¤ÏÂЦa¶i¦æ±Æµ{¡C¯ÊÂI´N¬OHigh Queue¦³¤j¶qTraffic­n¶Ç°e®É¡ANormal Queue©MLow Queue´N·|¦³Starvationªº±¡ªp²£¥Í¡A¥²¶·µ¥¨ìHigh Queue²MªÅ¤~¯à¶Ç°e¡C¹êÅ窺ºô¸ô¬[ºc¹Ï¦p¹Ï4¡A§Ú­Ì¦bBAY 5000ªºEthernet«áºÝ¬[³]VoD¡BVideo Conf.¤ÎFTP Server¡A¨Ã¦b¹q¸£³q°Tºô¸ô¹êÅç«ÇIBM 8285ªº«áºÝÂ\¤W¦UÃþªºClient¡A§Q¥ÎBAY 5000¤º³¡ªºPriority Queue¨Ó¶i¦æ±Æµ{¡A¨Ã§Q¥ÎDomino ATM Analyzer´ú¶qLink Rate¡A¥H¤ÎClientºÝ¥ÎSniffer´ú¶q³nÅé¨ÓÆ[¹îthroughput¤Î¨ä¥L¬ÛÃö°Ñ¼Æ¡C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

¹Ï4 ¥HBAY 5000¬°¥Dªº®Õ¤º¹êÅçºô¸ô¬[ºc¹Ï

 

 

(2) ¥HLinux-PC§@¬°IPv6/DiffServ Routerªº¹êÅç

°£¤F§Q¥ÎBAY 5000¤º«ØªºPriority Queue¥H¥~¡A§Ú­Ì§Q¥ÎLinux-PC¡A­P¤O©ó¬ã¨s·sªºIPv6±Æµ{§Þ³N¡C¦]¬°BAY 5000ªº¼Ò²Õ³£¬O±µOC-12ªº¥úÅÖ¼Ò²Õ¡A¤£¤è«K¥HLinux-PC IPv6/DiffServ Router¨Ó¨ú¥N¡A©Ò¥H§Ú­Ì§âBAY 5000ªºPriority Queue¥\¯àDisable¡A¨Ï¨ä¦¨¬°¤@´¶³qªºRouter¡A¨Ã¦bBAY 5000ªºEthernet«áºÝ¥ý±µ¤W§Ú­ÌªºLinux-PC IPv6/DiffServ Router¡ALinux-PC«áºÝ¦A±µ¤WVoD¡BVideo Conf.¤ÎFTP Server¡Q¦P¼Ë¦a¦b¹q¸£³q°T¹êÅç«ÇÂ\¤W¦UÃþªºClient¡A¦¹®ÉTraffic¤@©w·|³q¹LBAY 5000©MLinux Router¶¡ªºLink¡A©Ò¥HBottleneck¥²©w¦b¦¹¬qLink¤W¡AµM«á§Ú­Ì¥h½Õ¾ãLinux Router¤WDiffServªº°Ñ¼Æ­È¡A¨Ï¨ä¹F¨ì§Ú­Ìº¡·Nªºµ²ªG¡C¨Ã¥HDomino ATM Analyzer¤ÎClient PC¥ÎSniffer³nÅé¨Ó¶q´úLink Rate¡BThroughtput¤Î¬ÛÃöªº°Ñ¼Æ¡Aºô¸ô¬[ºc¹Ï¦p¹Ï5¡C

 

¹Ï5 ¥HLinux-PC¬°¥Dªº®Õ¤ºIPv6/DiffServ¹êÅçºô¸ô¬[ºc¹Ï

 

®Õ¥~³¡¤À¡A¤´µM¬O¤À¦¨¨â­Ó¹êÅç¡A¤@¬O¥ÎBAY 5000¨Ó·í§@IPv6/DiffServ Router¡A¥t¤@«h¬O¥HLinux-PC¬°IPv6/DiffServ Routerªº¹êÅç¡A¨Ã¦b¤¤¤s¤j¾ÇDiffServ Router«áºÝ¬[¤WVoD¡BVideo Conf.¤ÎFTP Server¡CCilent«h³]¦b¨ä¥L¾Ç®ÕBAY 5000ªº«áºÝ¡A¤¤¶¡³z¹LNBENªº°©·Fºô¸ô¨Ó¶Ç°e¡A¨Ã¦b¤¤¤s¤j¾ÇFore 1000 ATM Switchªº¥X¤fºÝ¡A¥ÎATM Analyzer¨Ó´ú¶qLink Rate¡A¥H¤ÎClientºÝ¥ÎSniffer³nÅé¨Ó´ú¶qThroughput¤Î¨ä¥L¬ÛÃö°Ñ¼Æ¡A¤À§O¦p¹Ï6¡B¹Ï7©Ò¥Ü¡C

 

 

 

 

 

¹Ï6 ¥HBAY 5000¬°¥Dªº®Õ¥~¹êÅçºô¸ô¬[ºc¹Ï

 

¹Ï7 ¥HLinux-PC¬°¥Dªº®Õ¥~IPv6/DiffServ¹êÅçºô¸ô¬[ºc¹Ï

 

 

·í¥L®ÕªºClient³s¤W¤¤¤s¤j¾Çªº¦UÃþServer®É¡A¤]¥²©w·|³q¹L¤¤¤sBAY 5000©MLinux Router¤§¶¡ªºLink¡A¤]¬OBottleneck©Ò¦b¡A¦P¼Ë¦a§Ú­Ì¥h½Õ¾ãDiffServ Routerªº°Ñ¼Æ¡A¨Ã§âµ²ªG»P³æ¿W¨Ï¥ÎBAY 5000·íDiffServ Routerªºµ²ªG°µ¤ñ¸û¡Q¦¹¥~¨ÃÆ[¹îºô¸ô¬[ºcÂX¤j¨ì®Õ¥~®É¡A»P¦b®Õ¤º°µDiffServ®É¡ADiffServ Routerªº°Ñ¼Æ³]©w¦³­þ¨Ç®t§O¡C¥H«K±N¨Ó¨ã¦³QoS«OÃÒªºIPv6À³¥Î¨ì¤@¯ëºô¸ô(¦pTANET)¡A¥i¥H´£¨Ñ°Ñ¦Òªº»ù­È¡C

 

3.2°t¦XIPv6/DiffServ¹êÅ窺À³¥Îµ{¦¡

(1)VoD

   ¥Ñ©ó¥Ø«e©|¥¼¦³IPv6ªºVoD Server¤ÎClientµ{¦¡¡A©Ò¥H§Ú­Ì±N¨Ï¥ÎWindows¤Uªºwinsocket2¦Û¦æ¼¶¼g¤ä´©IPv6ªºVoD Server»PClientµ{¦¡¡C

 

(2)   Video Conferencing

   Video Conferencing§Ú­Ì±Ä¥ÎUCL(University College London) Department of Computer Science©Ò¬ãµoSDR(session directory)¡ASDRÄÝ©óMbone tool¤¤ªº¤@­Ó¡A¥i¥H¦b¤@­Ó¥\¯àªí¤¤¦C¥X²{¦bªº¦³multicastªºÀW¹D¡A¥H¤Î¶}©l¤@­Ó§Ú­Ì¦Û¤v³]©wªºÀW¹D¡A¥i¥H¬Olocal¡B©Î¬Oglobalªºmulticast³]©w¡A¥H¤Îbroadcast¥\¯à¡F¨Ã·f°tLawrence Berkeley National laboratoryªºNetwork Research Group©Ò¬ãµoViC(Video Conferencing Tool)¡A¥Î³~¬O±Nµø°TÂ^¨ú°t³Æ©Ò§ì¨úªºµe­±¡A¸g¹L½s½X°e¥X¡A¶Ç°eµø°T¸ê®Æ¡A¯SÂI¬Oª½±µ¤ä´©¤FIPv6¡A¨Ã¥B¤ä´©¤FWindows¡F¦A·f°t¬[ºc¦bUDP/IP¤WªºRTPµ{¦¡¡A¥Î¦bAudio ConferencingÁn­µ½s½X³¡¤ÀªºRAT(Robust Audio Tool)¡A±N¨Ï¥ÎªÌªº»y­µ¸ê®ÆMulticast¨ìGroup Member¤W¡F³Ì«á¦A·f°tLoughborough University ªºJulian Highfield ©Ò¼¶¼gªº¹q¤l¥ÕªO(White Board)¡A¦Ó§Î¦¨¬°¤@­Ó§¹¾ãªº¬O°T·|ij³nÅé¡C¥H¤W³o¨Ç³nÅé³£¥i¥H¦bhttp://www.vcas.video.ja.net/mice/index.html¥i¥H¤U¸ü¡C

 

(3)FTP

   FTP Server±Ä¥ÎProftpd¡A³o¬O­ÓLinux¥­¥xªºIPv6 FTP Server³nÅé¡A¤U¸ü³B¬Ohttp://www.proftpd.org¡CClient«h±Ä¥Î¤é¥»´¿¥Ð¯Â¥ý¥Í¼¶¼gªºFFFTP(1.82)¡A³o¬O­ÓWindows¥­¥xªºIPv6 FTP Clinetµ{¦¡¡A§Ú­Ì¥i¥H¦bhttp://win6.goto.info.waseda.ac.jp/FFFTP/ ¤U¸ü¡C