| Âê̾ | üËö¤˰͸¤·¤ʤ¤NAT±ۤ¨¥·¥¹¥ƥà¤ÎÄó°ƤȼÂÁõ |
| Ãø¼Ô | *µܺê ͪ (̾¾ëÂç³ØÂç³ر¡¡¡Íý¹©³ظ¦µæ²Ê), ÎëÌÚ ½¨Ï (̾¾ëÂç³ØÂç³ر¡¡¡Íý¹©³ظ¦µæ²ʡ¡), ÅÏî´ ¹¸ (̾¾ëÂç³ØÂç³ر¡¡¡Íý¹©³ظ¦µæ²Ê) |
| Page | pp. 587 - 592 |
| Keyword | NAT, NAT±ۤ¨, DNS, ¥ۡ¼¥à¥ͥåȥ¥¯ |
| Abstract | ¥¤¥¼¥ͥåȤǤÏIP ¥¢¥ɥ쥹¤θϳé¤ò²óÈ뤿¤ᡤ²ÈÄíÆâ¤ä´ë¶ÈÆâ¤Υͥåȥ¥¯¤ϥץ饤¥١¼¥ȥ¢¥ɥ쥹¤ǹ½Ãۤµ¤ì¤ë¤Τ¬°ìÈÌŪ¤Ǥ¢¤롥¤½¤ì¤é¤Υͥåȥ¥¯¤ȥ¤¥¼¥ͥåȤδ֤ˤϥ¢¥ɥ쥹ÊѴ¹ÁõÃÖ(°ʲ¼NAT¡§Network Address Translator) ¤¬ɬÍפǤ¢¤롥¤·¤«¤·¡¤¤³¤Τ褦¤ʴĶ¤Ǥϥ¤¥¼¥ͥåȦ¤ÎüËé¥ץ饤¥١¼¥ȥ¢¥ɥ쥹¶õ´֤ÎÆâÉ«¤¨¤ʤ¯¤ʤ뤿¤ᡤ³°¦¤ÎüËéÆ⦤ÎüËö¤ØÄ̿®¤Ϥ¹¤뤳¤Ȥ¬¤Ǥ¤ʤ¤¤Ȥ¤¤¦Ì¢¤롥¤³¤ì¤ÏNAT±ۤ¨ÌäÂê¤ȸƤФì¤Ƥ¤¤롥¤³¤ì¤ޤǡ¤´ë¶ȥͥåȥ¥¯¤ˤª¤¤¤Ƥϥե¡¥¤¥¢¥¦¥©¡¼¥뤬ÀßÃ֤µ¤졤Æ⦤«¤é¤ÎÄ̿®³«»ϤΤߤòµö²Ĥ¹¤ë¤Τ¬°ìÈÌŪ¤Ǥ¢¤ä¿¤¿¤ᡤNAT ¤ÎÌó¤¬ɽÌ̲½¤¹¤뤳¤ȤϤʤ«¤ä¿¡¥º£¸å¤ϲÈÄí¤ˤâ¥ͥåȥ¥¯¤¬ƳÆþ¤µ¤ì¤뤳¤ÈÁÛÄꤵ¤ì¤뤬¡¤¤½¤³¤Ǥϴë¶ȤΤ褦¤ʸ·¤·¤¤¥»¥¥å¥ê¥ƥ£¥ݥꥷ¡¼¤ÏɬÍפȤʤé¤ʤ¤¡¥¤³¤³¤Ǥϳ°½ÐÀ褫¤é²ÈÄíÆâ¤ÎüËö¤˼«ͳ¤˥¢¥¯¥»¥¹¤·¤¿¤¤¤Ȥ¤¤¦¥ˡ¼¥º¤¬½½ʬ¤˹ͤ¨¤é¤ì¤뤿¤ᡤ¾嵭¤Τ褦¤ÊNAT ¤ÎÌó¤ò½üµ¤뤳¤ȤÏͭ±פǤ¢¤롥¤³¤βÝÂê¤ò²ò·褹¤ë°٤ˤ³¤ì¤ޤÇÍ͡¹¤ÊNAT¥ơ¼¥֥ë±ۤ¨µ»½Ѥ¬Äó°Ƥµ¤ì¤Ƥ¤¤롥 NAT ±ۤ¨¤δû¸µ»½ѤȤ·¤ơ¤STUN (Simple Traversal of User Datagram Protocol Through Network Address Translators)¡¤AVES(Address Virtualization Enabling Service) ¤äNAT-f (NAT-free protocol)¤ʤɤ¬¤¢¤롥STUN ¤ϥ¤¥¼¥ͥåȾå¤ÎÀìÍѥµ¡¼¥ФòÍøÍѤ¹¤뤳¤Ȥˤè¤êNAT ±ۤ¨¤ò¼¸½¤Ǥ¤뤬¡¤Â軰¤ÎÁõÃ֤¬ɬÍפǡ¤¤«¤ĥ¢¥ץꥱ¡¼¥·¥ç¥ÂÄꤵ¤ì¤ë¤Ȥ¤¤¦²ÝÂ꤬¤¢¤롥AVES ¤Ïwaypoint¤ȸƤФì¤ëÆüì¤ʥµ¡¼¥ФȲþ¤¤·¤¿NAT¥롼¥¿¤¬¶¨Ĵ¤·¤ÆNAT ±ۤ¨¤ò¼¸½¤Ǥ¤뤬¡¤STUN ¤ÈƱÍͤËÀìÍѤΥµ¡¼¥Ф¬ɬÍפǤ¢¤ꡤ·Ðϩ¾éŤ¬ȯ¤¹¤ë¤Ȥ¤¤¦²ÝÂ꤬¤¢¤롥²桹¤ÏSTUN ¤äAVES ¤βÝÂê¤ò²ò·褹¤뤿¤ᡤ¥¤¥¼¥ͥåȾå¤ÎüËö¤ÈNAT ¥롼¥¿¤¬Ϣ·Ȥ¹¤뤳¤Ȥˤè¤êNAT ±ۤ¨¤ò¼¸½¤Ǥ¤ëNAT-f ¤ȸƤ֥ץí¥ȥ³¥ë¤òÄó°Ƥ·¤Ƥ¤¤롥¤·¤«¤·¡¤üËö¤ؤε¡ǽÄɲä¬ɬÍפǤ¢¤뤳¤Ȥ«¤顤°ìÈ̥桼¥¶¤¬NAT ±ۤ¨¤ò¹Ԥ¦¤ΤÏƤ¡¥¤½¤³¤ÇËܹƤǤϲþÎɤ·¤¿DNS ¥µ¡¼¥ФÈNAT¥롼¥¿¤¬¶¨Ĵ¤¹¤뤳¤Ȥˤè¤ꡤ°ìÈ̤Υ桼¥¶üËö¤ǤâNAT ±ۤ¨¤ò²Äǽ¤Ȥ¹¤ëÊý¼°¤òÄó°Ƥ¹¤롥 ¡¡ËÜÄó°ÆÊý¼°¤òNTS(NAT-Traversal Support)¥ץí¥ȥ³¥ë¤ȸƤӡ¤ËÜÊý¼°¤ǻÈÍѤ¹¤ë²þÎɤ·¤¿DNS¥µ¡¼¥ФòNTS¥µ¡¼¥С¤NAT¥롼¥¿¤òNTS¥롼¥¿¤ȸƤ֡¥¤ޤ¿¡¤NTS¥롼¥¿Æâ¤Υץ饤¥١¼¥ȥͥåȥ¥¯¤Ë¸ºߤ¹¤ëüËö¤òPN(Private Node)¤ȸƤӡ¤NAT±ۤ¨Ä̿®¤Ϥ¹¤볰ÉôüËö¤òGN(Global Node)¤ȸƤ֡¥¤³¤³¤ÇPN¤ϥ°¥¥Х륢¥ɥ쥹¤ò½ê»ý¤·¤Ƥ¤¤ʤ¤¤Τǡ¤³°Éô¤ΰìÈÌDNS¥µ¡¼¥ФËͽ¤áPN¤ÎFQDN(Fully Qualified Domain Name)¤ÈNTS¥롼¥¿¤Υ¢¥ɥ쥹¤òDDNSÅÐϿ¤¹¤ëɬÍפ¬¤¢¤롥¤³¤ì¤ϰìÈ̤ÎDDNSÅÐϿ¤ÈƱÍͤǡ¤ËÜÊý¼°¤ÎÆÃÊ̤ʽèÍý¤ǤϤʤ¤¡¥¤³¤κݡ¤NTS¥롼¥¿¤ÏPN¤ÎDNSÅÐϿ¥ѥ±¥åȤ«¤éFQDN¤ȥץ饤¥١¼¥ÈIP¥¢¥ɥ쥹¤òÂбþ¤µ¤»PHL(Private Host List)¤ص²±¤µ¤»¤Ƥª¤¯¡¥¤ޤ¿¡¤ËÜÊý¼°¤òÍøÍѤ¹¤ëGN¤ϥץ饤¥ޥêDNS¤òNTS¥µ¡¼¥Ф˻ØÄꤷ¤Ƥª¤¯¡¥ GN¤¬PN¤ØÄ̿®¤Ϥ¹¤ë¾ì¹硤GN¤ÏNTS¥µ¡¼¥ФØPN¤ÎFQDN¤ǥ¯¥¨¥ê¤òÁ¹¤롥NTS¥µ¡¼¥ФÏÄ̾ï¤ÎDNSµ¡ǽ¤ˤè¤êDNS̾²ò·è¤ò¹Ԥ¤¡¤Æ¿DNS¥ê¥ץ饤¥ѥ±¥åȤ«¤éNTS¥롼¥¿¤Υ°¥¥Х륢¥ɥ쥹¤ò¼èƹ¤롥NTS¥µ¡¼¥ФÏNTS¥롼¥¿¤ØGN¤«¤éPN¤ؤÎÄ̿®Í¤¢¤뤳¤ȤòÄÌÃΤ·¡¤NTS¥롼¥¿¤ˤ½¤ξðÊó¤òÊݻý¤µ¤»¤Ƥª¤¯¡¥¼¡¤ËNTS¥µ¡¼¥ФÏGN¤ØÀè¤ۤÉÆ¿NTS¥롼¥¿¤Υ°¥¥Х륢¥ɥ쥹¤òŨ¤롥GN¤ÏÄ̾ï¤ÎDNS¤òÍøÍѤ·¤¿Ä̿®¤ÈƱÍͤ˼èÆ·¤¿IP¥¢¥ɥ쥹°¸¤ËÄ̿®¤Ϥ¹¤ë¤ȡ¤NTS¥롼¥¿¤ϻö¤ËÆƤ¤¤¿¾ðÊó¤ÈGN¤«¤é¤ÎÄ̿®¥ѥ±¥åȤˤè¤êNAT¥ơ¼¥֥ë¤ò¤·¡¤Ä̿®¥ѥ±¥åȤòPN¤ØžÁ뤳¤Ȥ¬¤Ǥ¤롥PN¤«¤éÊֿ®¤ä°ʹߤÎÄ̿®¤ÏÄ̾ï¤ÎNAT¤ò²𤷤¿Êֿ®¤ÈƱÍͤ˹Ԥï¤ì¤롥NTS¥µ¡¼¥ФÈNTS¥롼¥¿´֤Τä¤ê¤Ȥê¤ϥ桼¥¶üËö¤Ȥϴط¸¤Τʤ¤¤Ȥ³¤í¤Ç¤µ¤ì¤뤿¤ᡤGN¤äPN¤ÏNAT¤äNTS¤ò°ռ±¤»¤º¤ËÄ̿®¤ò¹Ԥ¦¤³¤Ȥ¬¤Ǥ¤롥 |
| Âê̾ | NAT¤ò±ۤ¨¤ƥ°¥롼¥×Ä̿®¤¬²Äǽ¤ʳÈĥDPRP¤ÎÄó°Æ |
| Ãø¼Ô | *¸åƣ ͵»Ê, ÎëÌÚ ½¨ÏÂ, ÅÏî´ ¹¸ (̾¾ëÂç³ØÂç³ر¡Íý¹©³ظ¦µæ²Ê) |
| Page | pp. 593 - 600 |
| Keyword | NAT, IPsec, protocol |
| Abstract | ´ë¶ȥͥåȥ¥¯¤ǤÏÉÔ¿¯Æþ¡¤¥ǡ¼¥¿¤ÎÅðݤä²þãâ¤ʤɤζ¼°ҤËÂФ¹¤륻¥¥å¥ê¥ƥ£ÂкÝÂê¤ȤʤäƤ¤¤롥Áȿ¥³°Éé¤ζ¼°ҤËÂФ·¤ƤÏÄ̿®¤ΰŹ沽¤ä¥ǥ£¥¸¥¿¥ë½ð̾¤ʤɡ¤¥»¥¥å¥ê¥ƥ£¶¯Å٤ι⤤µ»½Ѥ¬ÍøÍѤµ¤ì¤Ƥª¤ꡤ¥ե¡¥¤¥¢¥¦¥©¡¼¥ë(°ʲ¼FW)¤äIDS(Intrusion Detection System)¤ʤɤȶ¨Ĵ¤¹¤ë¤ʤɡ¤Í͡¹¤ʹ©Éפ¬¤ʤµ¤ì¤Ƥ¤¤롥¤·¤«¤·¡¤´ë¶ȥͥåȥ¥¯¤Υ»¥¥å¥ê¥ƥ£¶¼°Ҥϥ¤¥ó¥ȥé¥ͥåÈÆâÉô¤ˤ⸺ߤ·¤Ƥª¤ê¼Ұ÷¤äÆâÉô´ط¸¼Ԥˤè¤ëÉÔ¤ˤè¤ëÈȺ¿¤¯Êó¹𤵤ì¤Ƥ¤¤롥¤·¤«¤·¤ʤ¬¤顤¥¤¥ó¥ȥé¥ͥåÈÆâ¤Υ»¥¥å¥ê¥ƥ£Âкö¤ϡ¤¥桼¥¶̾¤ȥѥ¹¥¥ɤˤè¤ë´Êñ¤ÊÁê¼êǧ¾ڡ¤¥¢¥¯¥»¥¹¸椷¤«¤µ¤ì¤Ƥ¤¤ʤ¤¤Τ¬¸½¾õ¤Ǥ¢¤ꡤͭ¸ú¤ÊÂк£¸åɬÍפˤʤë¤ȹͤ¨¤é¤ì¤Ƥ¤¤롥¥ͥåȥ¥¯¥»¥¥å¥ê¥ƥ£¤ÎÂåɽŪ¤ʵ»½ѤȤ·¤ÆIPSec¤¬¤¢¤ꡤ¸½ºßVPN¤ò¹½Ãۤ¹¤ë¼êÃʤȤ·¤ƹ¤¯ÍøÍѤµ¤ì¤Ƥ¤¤롥IPSec¤ÏÄ̿®¤ËÀèΩ¤Ź桦ǧ¾ڤËɬÍפʥѥ饥¿¤òưŪ¤Ë¤·¤ư¤ʾðÊó¤θò¹Ԥ¦¡¥¤·¤«¤·¡¤IPsec¤ˤÏ¿¤¯¤ÎÀßÄê¹àÌܤ¬¤¢¤ꥷ¥¹¥ƥà´Ķ¤¬ÉÑÈˤËÊѲ½¤¹¤ë¤褦¤ʴĶ¤ǤϴÉÍý¼ԤÎÉéô¤¬Â礭¤¤¡¥¤ޤ¿¡¤¥ۥ¹¥ȴ֤ǰŹ沽Ä̿®¤ò¹Ԥ¦¥ȥé¥ݡ¼¥ȥ⡼¥ɤȡ¤¥ͥåȥ¥¯´֤ÇÍøÍѤµ¤ì¤ë¥ȥó¥ͥë¥⡼¥ɤǸߴ¹¤¬¤ʤ¤¤¿¤ᡤ¥»¥¥å¥ê¥ƥ£¥ɥᥤ¥¬ÁØŪ¤˹½Ãۤµ¤ì¤Ƥ¤¤¿¤ꡤ¥ɥᥤ¥óñ°̤ȸĿÍñ°̤ÎÄ̿®¥°¥롼¥פ¬º®ºߤ·¤¿¤ꤹ¤ë¤褦¤ʴĶ¤ǤÏÍøÍѤ¹¤뤳¤Ȥ¬Æ¤¡¥¤½¤³¤Dz桹¤ϽÀÆ𤫤ݤʥ°¥롼¥×Ä̿®¤ò²Äǽ¤ˤ¹¤뤿¤á¤˥·¥¹¥ƥ¤¬ÊѲ½¤·¤Ƥ⤽¤ÎÊѲ½¤òưŪ¤˳ؽ¬¤¹¤뤳¤Ȥ¬¤Ǥ¤ëDPRP¡ÊDynamic Process Information Protocol¡ˤȸƤÖÄ̿®¥ץí¥ȥ³¥ë¤òÄó°Ƥ·¤Ƥ¤¿¡¥DPRP¤ǤÏÄ̿®üËö´֤ÎÄ̿®¤ËÀèΩ¤äÆ2±ýÉü¤Υͥ´¥·¥¨¡¼¥·¥ç¥ó¤ò¹Ԥ¦¤³¤Ȥǡ¤DPRPÂбþüËö¤ÎÄ̿®¥°¥롼¥ðÊó¤ʤɤξðÊó¤ò¼ý½¸¤·¤ƳÆÁõÃ֤Ëưºî½èÍý¾ðÊó¥ơ¼¥֥ëPIT¡ÊProcess Information Table¡ˤò¤¹¤롥PIT¤ˤϰŹæ/Éü¹æ/Ʃ²áÃæ·ѤȤ¤¤ä¿½èÍýÆâÍƤ¬µ½Ҥµ¤ì¤Ƥ¤¤롥¥ͥ´¥·¥¨¡¼¥·¥ç¥ó½ªλ¸å¤Ï¤·¤¿PIT¤˽¾¤äÆÄ̿®¥ѥ±¥åȤò½èÍý¤¹¤롥 ¶áǯ¡¢¥¢¥ɥ쥹´ÉÍý¤òÍưפˤ¹¤뤿¤ᡢ´ë¶ȤʤǤâNAT¡ÊNetwork Address Translation¡ˤò»Ȥ¦¥±¡¼¥¹¤¬Áý¤¨¤Ƥ¤¿¡£¤³¤ì¤ޤǤÎDPRP¤ÏNAT¤¬²ðºߤ¹¤ë¤褦¤ÊÄ̿®´Ķ¤òÁÛÄꤷ¤Ƥ¤¤ʤ«¤ä¿¡£NAT¤Ǥϥѥ±¥åȤÎIP¥¢¥ɥ쥹¤¬ÊѴ¹¤µ¤ì¤Ƥ·¤ޤ¦¤¿¤áŬÀڤÊPIT¤ò¤Ǥ¤ʤ¯¤ʤ롣ËܹƤǤÏNAT³°ÉéNATÆâÉô¤ØÄ̿®¤Ϥ¹¤ë¾ì¹ç¤ˤĤ¤¤ÆDPRP¤μ¸½Êý¼°¤θ¡Ƥ¤ò¹Ԥä¿¡¥NAT³°Éé¤ÎÄ̿®¤ò»Ϥá¤ë¾ì¹ç¤ÏNAT±ۤ¨ÌäÂê¤ò²ò·褹¤ëɬÍפ¬¤¢¤롣¤³¤ÎÌäÂê¤ϡ¢DNS¥µ¡¼¥ФÈNAT¥롼¥¿¤¬¶¨Ĵ¤¹¤뤳¤Ȥˤè¤ê²ò·褹¤롣¤ޤ¿¡¢DPRP¤òNAT±ۤ¨¤ËÂбþ¤Ǥ¤ë¤褦³Èĥ¤¹¤롣DPRP¥ͥ´¥·¥¨¡¼¥·¥ç¥ó¤ΰì±ýÉüÌܤǤϡ¢NAT¥롼¥¿¤˶¯Ū¤ËNAT¥ơ¼¥֥ë¤ò¤·¡¢NAT¥ơ¼¥֥ë¤˥ޥåԥµ¤줿¥ݡ¼¥ÈÈֹæ¤òNAT³°Éô¤ÎüËö¤˱þÅú¤¹¤뤳¤Ȥǥݡ¼¥ÈÊѴ¹¥ơ¼¥֥ë¤ò¤¹¤롣Æó±ýÉüÌܤǤϡ¢³°ÉôüËö¤ÈNAT¥롼¥¿¤ˡ¢NAT¤˥ޥåԥµ¤줿¥³¥ͥ¯¥·¥ç¥ó¾ðÊó¤ò¤â¤ȤËPIT¤ò¤¹¤롣¥ͥ´¥·¥¨¡¼¥·¥ç¥ó½ªλ¸塢³°ÉôüËö¤ÏÄ̿®¥ѥ±¥åȤòNAT¤˥ޥåԥµ¤줿¥ݡ¼¥ÈÈֹæ¤ËÊѴ¹¤·¤Ƥ«¤éPIT¤νèÍý¤ò¹Ԥ¦¡£¤³¤ÎÊýˡ¤è¤êÆâÉôüËö¤ÈÄ̿®¤Ϥ¹¤뤳¤Ȥ¬²Äǽ¤Ȥʤ롣 |
| Âê̾ | ¥ޥë¥ѥ¹¤òÍøÍѤ·¤¿SCTP¤ˤª¤±¤ëÂӰ轸̽¤ÎÄó°Æ |
| Ãø¼Ô | *´äºê ¤¢¤«¤Í, ´Ú ±¼ÒÙ (·ÄØæµÎÂç³ØÂç³ر¡Íý¹©³ظ¦µæ²Ê), »û²¬ ʸÃË (·ÄØæµÎÂç³ØÍý¹©³ØÉô¾ðÊزÊ) |
| Page | pp. 601 - 608 |
| Keyword | SCTP, ¥ȥé¥ݡ¼¥È, ÂӰ轸Ìó, ¥ޥë¥ѥ¹ |
| Abstract | ¶áǯ¡¤GRID´Ķ¤ʤɤˤª¤¤¤ÆÂçÎ̤Υǡ¼¥¿¤ò¹â®¤ËžÁë»öÎ㤬Áý²ä·¤Ƥ¤¤롥¤ޤ¿¡¤ͭÀþ Local Area Network (LAN)¡¤̵ÀþLAN¡¤·ÈÂÓÅÅÏäʤÉʣ¿ô¤Υͥåȥ¥¯¥¤¥ե§¡¼¥¹¤ò»ý¤ÄüËö¤ÎÉáµڤ¬¿ʤó¤Ǥ¤¤롥¥ۥ¹¥Ȥ¬ʣ¿ô¤Υͥåȥ¥¯¥¤¥ե§¡¼¥¹¤ò»ý¤ĴĶ¤ò¥ޥë¥ۡ¼¥à´Ķ¤ȸƤ֡¥¥桼¥¶¤¬ʣ¿ô¤ÎInternet Service Provider (ISP)¤ȷÀÌ뤳¤ȤdzÆISP¤«¤éIP ¥¢¥ɥ쥹¤줾¤ì¼èÆ·¡¤¥桼¥¶¤¬»ÈÍѤ¹¤ë¥ۥ¹¥ȤΥޥë¥ۡ¼¥à´Ķ¤¬¼¸½¤µ¤줿¾ì¹硤¤³¤ì¤é¤Îʣ¿ô¤ÎIP¥¢¥ɥ쥹¤òƱ»þ¤ËÍøÍѤ·¡¤ʣ¿ô¤Îpath¤ËƱ»þ¤˥ǡ¼¥¿Áò¹Ԥ¦¤³¤ȤÇÂӰ轸Ìó¡¦Éé²Ùʬ»¶¤¬¼¸½¤Ǥ¡¤¥ǡ¼¥¿žÁ÷¤Τµ¤é¤ʤë¸úΨ²½¤¬¿ޤì¤ë¤ȹͤ¨¤é¤ì¤롥¤ޤ¿¡¤Transmission Control Protocol (TCP)¤θå·ѥȥé¥ݡ¼¥ȥץí¥ȥ³¥ë¤Ȥ·¤ÆÃíÌܤµ¤ì¤Ƥ¤¤ë Stream Control Transmission Protocol (SCTP)¤ÏTCP¤ÎÍ͡¹¤ÊÌäÂêÅò²ò·褷¤Ƥ¤¤롥Î㤨¤С¤SCTP¤ǤÏTCP¤ÎConnection¤ËÂбþ¤¹¤ë1¤ĤÎAssociation¤Çʣ¿ô¤Îpath¤òÊݻý¤¹¤뤳¤Ȥ¬²Äǽ¤Ǥ¢¤ꡤ¤³¤ì¤ˤè¤êSCTP¤ÏTCP¤ËÈæ¤ÙÂѸξ㤬¸þ¾夷¤Ƥ¤¤롥SCTP¤Ï1¤ĤÎAssociation¤Çʣ¿ô¤Îpath¤ò»ÈÍѲÄǽ¤Ǥ¢¤뤿¤ᡤ¥ޥë¥ۡ¼¥à´Ķ¤ËŬ¤·¤Ƥª¤ꡤSCTP¤Ϻ£¸åTCP¤ËÂå¤ï¤ë¥ȥé¥ݡ¼¥ȥץí¥ȥ³¥ë¤Ȥ·¤ƹ¤¯¤ÎÃæ¤ËÉáµڤ¹¤ë¤ȹͤ¨¤é¤ì¤롥SCTP¤òÍøÍѤ·¤¿ÂӰ轸Ìó¡¦Éé²Ùʬ»¶¼êˡ¤ˤϤ¤¤¯¤Ĥ«¤ÎÄó°Ƥ¬¤¢¤뤬¡¤path¤ÎÂò¤˥¤¥ե§¡¼¥¹¾ðÊó¤ò¹Íθ¤·¤Ƥ¤¤ʤ¤¡¤path¤¬Association¤Ƕ¦Ä̤˴ÉÍý¤µ¤ì¤Ƥ¤¤ë¤ʤɤÎÌäÂêŬ¤¢¤롥 ¡¡¤½¤³¤ǡ¤Ëܸ¦µæ¤Ǥϴû¸¸¦µæ¤ÎÌäÂêÅò²ò·褷¡¤¥ȥé¥ݡ¼¥ȥì¥٥ë¤ǤÎÂӰ轸Ìó¡¦Éé²Ùʬ»¶¤ò¼¸½¤¹¤뵡¹½¤Ǥ¢¤ë¥ޥë¥ѥ¹SCTP¤òÄó°Ƥ·¤¿¡¥¥ޥë¥ѥ¹SCTP¤ǤÏAssociation³ÎΩ»þ¤ˤª¸ߤ¤¤Υ¤¥ե§¡¼¥¹¾ðÊó¤ò¸·¡¤¤½¤ì¤ò´ð¤˺ÇŬ¤Êpath¤òÂ뵡ǽ¤òÄó°Ƥ·¤¿¡¥¶ñÂÎŪ¤ˤϡ¤SCTP¤ÏAssociation¤γÎΩ»þ¤ËINIT¡¤INIT ACK¡¤Cookie Echo¡¤Cookie ACK¤Î4¤ĤΥá¥å»¡¼¥¸¸¹¤뤬INIT¡¤INIT ACK¥á¥å»¡¼¥¸¤Ǥª¸ߤ¤¤Υ¤¥ե§¡¼¥¹¤ÎID¡¤¥¤¥ե§¡¼¥¹¤μïÎࡤÂӰè¤ò¸¹¤롥¤½¤·¤ơ¤Á÷¿®¦¤ÏINIA ACK¼þ¤ˡ¤¼õ¿®¦¤ÏCookie Echo¼þ¤ˤ½¤줾¤ìƱ¤¸´ؿô¤òÍѤ¤¤Ƹ·¤¿¥¤¥ե§¡¼¥¹¾ðÊó¤ò´ð¤Ëpath¤òÂ롥¤½¤¦¤¹¤뤳¤ȤÇ̵Àþ¥¤¥ե§¡¼¥¹¤Ï̵Àþ¥¤¥ե§¡¼¥¹Ʊ»Ρ¤ͭÀþ¥¤¥ե§¡¼¥¹¤ÏͭÀþ¥¤¥ե§¡¼¥¹Ʊ»ΤȤ¤¤ä¿ÍͤÊƱ¤¸¥¤¥ե§¡¼¥¹¤μïÎà¤Çpath¤¬·è¤ޤ뤳¤ȤòÊݾڤ·¤¿¡¥¤µ¤é¤ËƱ¤¸¥¤¥ե§¡¼¥¹¤μïÎà¤Ǥ⡤ÂӰè¤ζᤤ¥¤¥ե§¡¼¥¹Ʊ»ΤòÁȤ߹ç¤碌¤뤳¤Ȥǡ¤ÂӰè¤Îͭ¸úÍøÍѤò¿ޤꡤ¤µ¤é¤ʤë¥ǡ¼¥¿žÁ÷¤θúΨ²½¤ò¼¸½¤·¤¿¡¥¤ޤ¿¡¤¥ޥë¥ѥ¹SCTP¤ǤÏʣ¿ô¤Îpath¤ËƱ»þ¤˥ǡ¼¥¿¤òÁ·¡¤pathËè¤˺ÆÁ÷¸æ¤äíÕíÔ¸æ¤ò¹Ԥ¦µ¡ǽ¤òÄó°Ƥ·¤¿¡¥¶ñÂÎŪ¤ˤϡ¤pathËè¤Υ·¡¼¥±¥ó¥¹Èֹæ¤Ǥ¢¤ëPath Sequence Number (PSN)¤òÁǡ¼¥¿¤ËÉղä·¡¤PSN¤ò´ð¤ËÁ÷¼õ¿®¦¤ǥѥ±¥åȤÎÅþÃå½ç½ø¤ò´ÉÍý¤·ºÆÁ÷¸æ¤äíÕíÔ¸æ¤ò¹Ԥ¦¤³¤Ȥǥǡ¼¥¿¤òpathËè¤˴ÉÍý¤¹¤뵡ǽ¤òÄó°Ƥ·¤¿¡¥¤ޤ¿¥ǡ¼¥¿Áþ¤ˡ¤Á÷¿®¦¤ǻý¤ÄÁǤ¤ë¥ǡ¼¥¿¤ÎÎ̤òÊݻý¤¹¤ëÊѿô¤Ǥ¢¤ëíÕíԥ¦¥£¥ó¥ɥ¦¤κǤâÂ礭¤Êpath¤˥ǡ¼¥¿¤òÁ¹¤뤳¤Ȥǡ¤¥ǡ¼¥¿ÁþÅÇÁÄǽ¤Ǥ¢¤ë¥ǡ¼¥¿¤ÎÍÆÎ̤¬ºǤâÂ礭¤Êpath¤˥ǡ¼¥¿¤ò³ä¤êÅö¤Ƥ뤳¤Ȥ¬²Äǽ¤Ȥʤꡤ¤½¤ì¤ˤè¤ê¸úΨŪ¤ÊÄ̿®¤ò¼¸½¤·¤¿¡¥ ¡¡°ʾå¤ÎÄó°Ƥò¼ºݤËFreeBSD6.1-Release¤Υª¥ڥ졼¥ƥ£¥·¥¹¥ƥà¾å¤˼ÂÁ¤ǽɾ²ò¹Ԥä¿¡¥¤ޤ¿¡¤SCTP¤Ï2007ǯ10·î¤ΥС¼¥¸¥ç¥ó¤ò»ÈÍѤ·¤¿¡¥EndHost1¡¤EndHost2¤Î2Âæ¤Υޥ·¥ó¤È4Âæ¤Υ롼¥¿¤η×6Âæ¤òÍѤ¤¤ƥ¥«¥ë¤ʥͥåȥ¥¯¤ò¹½Ãۤ·¡¤¥¤¥ե§¡¼¥¹¥ꥹ¥ȤθÎưºî³Îǧ¡¤Á졼¥Ȥδƻë¤ˤè¤ëʣ¿ô¤Îpath¤ؤÎƱ»þ¥ǡ¼¥¿ÁγÎǧ¡¤SCTP¤ȤΥե¡¥¤¥ëžÁ÷»þ´֡¤¥¹¥롼¥ץåȤÎÈæ³ӤÎ3¹àÌܤˤè¤ëǽɾ²ò¹Ԥä¿¡¥ ¡¡¥ޥë¥ѥ¹SCTP¤òÍѤ¤¤¿Ä̿®¤òtcpdump¤ˤè¤ê´ƻ뤹¤뤳¤Ȥǡ¤Äó°Ƽêˡ¤Ǥϥ¤¥ե§¡¼¥¹¥ꥹ¥Ȥθ¬¹Ԥï¤ì¤Ƥ¤¤뤳¤Ȥ¬³Îǧ¤Ǥ¤¿¡¥¤ޤ¿¡¤pathËè¤ÎÁ졼¥Ȥòtcpdump¤ˤè¤ê´ƻ뤹¤뤳¤Ȥǡ¤ʣ¿ô¤Îpath¤ËƱ»þ¤˥ǡ¼¥¿¤¬ÁǤ¤Ƥ¤¤뤳¤Ȥò³Îǧ¤Ǥ¤¿¡¥¤µ¤é¤ˡ¤Ä̾ï¤ÎSCTP¤ȥե¡¥¤¥ëžÁ÷»þ´֡¤¥¹¥롼¥ץåȤòÈæ³Ӥ¹¤뤳¤Ȥǡ¤¥ե¡¥¤¥ëžÁ÷»þ´֤¬SCTP¤ÎÌó51.21 %¤Ëû½̤µ¤졤¥¹¥롼¥ץåȤ¬Ìó1.96 Çܤ˸þ¾夷¤Ƥ¤¤뤳¤Ȥ·¡¤ËÜÄó°ÆÊý¼°¤Îͭ¸ú¤ò¾ÚÌ·¤¿¡¥ |
| Âê̾ | ¥ѥ±¥åȥȯ¤ˤª¤±¤ëiSCSI±ó³֥¹¥ȥ졼¥¸¥¢¥¯¥»¥¹¤˴ؤ¹¤ëɾ²Á |
| Ãø¼Ô | *Èæ²Å Îè²Ú (¤ªÃã¤οå½÷»ÒÂç³Ø), ¿ä µªµÒ (¾ðÊóÄ̿®¸¦µ浡¹½), »³¸ý ¼ÂÌ÷ (¹©³ر¡Âç³Ø), ¾®¸ý ¿Í (¤ªÃã¤οå½÷»ÒÂç³Ø) |
| Page | pp. 609 - 615 |
| Keyword | iSCSI, ¥¹¥ȥ졼¥¸, TCP |
| Abstract | ¶áǯ¡¢¥¤¥¼¥ͥåȤʤɤÎȯã¤ˤè¤ꡢ´ë¶ȤǤâ²ÈÄí¤Ǥ⡢¸Ŀͤνêͭ¤¹¤ë¾ðÊóÎ̤¬ÇúȯŪ¤ËÁý¤¨¤Ƥ¤¿¡£¤½¤ì¤Ëȼ¤äÆÌäÂê¤ȤʤäƤ¯¤ë¤Τ¬¡¢¥ǡ¼¥¿¤òÊÝ¡¢´ÉÍý¤¹¤ëºî¶ȤǤ¢¤롣¥ǡ¼¥¿¤ò³ÊǼ¤¹¤륹¥ȥ졼¥¸ÁõÃ֤ÎÁýÀߤäËü°ì¤ËÈ¿¥ǡ¼¥¿¤ΥХ寥¢¥åס¢¥ǡ¼¥¿¤ΰܴɤʤɡ¢ÌÌÅݤʺî¶Ȥ¬´ö¤Ĥ⤸¤Ƥ¯¤롣¤µ¤é¤ˡ¢¥ǡ¼¥¿¤¬ʣ¿ô¤ε¡´ï¤Ëʬ»¶¤¹¤ë¤Ȥ¤¤¦ÌäÂ꤬µ¯¤³¤ë²Äǽ¤⤢¤롣 ¤³¤¦¤·¤¿ÌäÂê¤ËȴËÜŪ¤ʲò·èºö¤òͿ¤¨¤ë¥ץí¥ȥ³¥ë¤Ȥ·¤ÆÅо줷¤¿¤Τ¬¡¢iSCSI¤Ǥ¢¤롣 ¤·¤«¤·¡¢iSCSI¤ϡ¢ʣ»¨¤ʳ¬Áع½¤ǽèÍý¤µ¤ì¤Ƥª¤ꡢ¥С¼¥¹¥ÈŪ¤ʥǡ¼¥¿¤ÎžÁ÷¤â¿¤¤¤³¤Ȥ«¤顢Ä̾ï¤ÎÄ̿®¤ÈÈæ³Ӥ·¤ơ¢Æäˡ¢¹âÃٱä´Ķ¤ˤª¤¤¤ƤÏǽ¤¬Ãø¤·¤¯Î·¤Ƥ·¤ޤ¦¡£Æäˡ¢²¼°̴ðÈפÎTCP/IPÁؤ¬ÄǤ¤ë¸³¦ǽ¤òĶ¤¨¤뤳¤ȤϤǤ¤º¡¢ºÇÂ縤Îǽ¤¬ȯ´ø¤Ǥ¤ë¤褦TCP¥ѥ饥¿¤ʤɤò¸椹¤뤳¤Ȥ¬µá¤á¤é¤ì¤롣 °ìÈ̤˼ûÍפ¬¿¤¤±ó³֥¹¥ȥ졼¥¸¤ؤΥǡ¼¥¿¥Х寥¢¥åפò¹ͤ¨¤¿¾ì¹硢¥ǡ¼¥¿¤ÎÆɤ߽Ф·Î̤è¤ê¤â½þ¤ßÎ̤ÎÊý¤¬°µÅÝŪ¤Ë¿¤¯¡¢¤ޤ¿±ó³֥¹¥ȥ졼¥¸¦¤ˤÏɸ½àŪ¤ʴĶ¤Τߤò»ÈÍѤ·¡¢¥«¥¹¥¿¥ޥ¤¥º¤¬ÉԲÄǽ¤Ǥ¢¤ë¾ì¹ç¤â¿¤¤¡£ ¤½¤³¤ÇËܸ¦µæ¤Ǥϡ¢iSCSI¤Υѥ饥¿¤òºÇŬ¤ËÀßÄꤷ¡¢Initiator¦¤ÎTCP¥½¡¼¥¹¥³¡¼¥ɤ˥â¥˥¿ÍѤδؿô¤òÁÞÆþ¤·¥桼¥¶¶õ´֤«¤é¤⥢¥¯¥»¥¹²Äǽ¤ʥ«¡¼¥ͥë¥á¥â¥ê¶õ´֤˵Ͽ¤¹¤ë»ÅÁȤߤòºî¤·¥«¥¹¥¿¥ޥ¤¥º¤·¤ơ¢TCPíÕíԥ¦¥£¥ó¥ɥ¦¤ο¶Éñ¤ȥ¹¥롼¥ץåȤò´ѻ¡¤·¡¢Æäˡ¢¹âÃٱä´Ķ¤ˤª¤±¤ëiSCSI¤Υ·¡¼¥±¥ã¥ë¥饤¥ȥ¢¥¯¥»¥¹¤Îǽ¤ò¹â¤á¤뤿¤á¤μêˡ¤ò¹Ͱơ¢¸¡Ƥ¤¹¤롣 ¡¡¶ñÂÎŪ¤ˤϡ¢Ëܸ¦µæ¤ˤª¤¤¤ơ¢ÃٱäÁõÃ֤ò»Ȥäơ¢Í͡¹¤ÊÃٱä¤òÁÞÆþ¤·¤¿¾õÂ֤β¼¤ÇiSCSI¤Υѥ饥¿¤òºÇŬ¤ËÀßÄꤷ¡¢¥¹¥롼¥ץåȤÈTCPíÕíԥ¦¥£¥ó¥ɥ¦¤ò´ѻ¡¤·¤¿¤Ȥ³¤¥ǥե©¥ë¥Ȼþ¤Îǽ¤è¤ê¤âÎɤ¤ǽ¤¬´ѻ¡¤Ǥ¤¿¤Τ¬¡¢¤ä¤Ϥꡢ¹âÃٱä¤ˤʤì¤Фʤë¤ۤɤ½¤κ¹¤¬¤狼¤é¤ʤ¯¤ʤäƤ·¤ޤ¦¤ۤɡ¢¥¹¥롼¥ץåÈǽ¤¬Î·¤Ƥ·¤ޤ¦¤³¤Ȥ¬³Îǧ¤Ǥ¤¿¡£ ¡¡¤½¤³¤ǡ¢¥ͥåȥ¥¯¥¢¥ʥ饤¥¶¤òÍѤ¤¤ÆǽÎθ¶°ø¤òõ¤ꡢ¤½¤ì¤Ëǽ¸þ¾å¤μêˡ¤òÄó°Ƥ·¤Ƥ¤¤¯¡£ ¡¡¤ޤ¿¡¢IP¥ͥåȥ¥¯¤ˤª¤¤¤Ƥϡ¢Ä̿®Î̤¬Áý²ä·¤ƲóÀþ¤äÃæ·ÑÁõÃ֡¢¥µ¡¼¥С¼¤νèÍýǽÎϤòĶ¤¨¤ë¾ì¹ç¤ʤɤˡ¢¥ǡ¼¥¿¡ʥѥ±¥åȡˤ¬ÇѴþ¤µ¤ì¤ë¤Ȥ¤¤¦¡¢¥ѥ±¥åȥ¤¬µ¯¤³¤äƤ·¤ޤ¦¤³¤Ȥ¬¤¢¤롣Ëܸ¦µæ¤Ǥϡ¢ÍýÁÛŪ¤ʹâÃٱä´Ķ¤Τߤò¹Íθ¤·¤¿¼¸³¤Τߤò¹ԤäƤ¤¤¿¤Τ¬¡¢¤è¤ê¼ºݤΥͥåȥ¥¯´Ķ¤˶ᤍ±¤뤿¤á¤ˡ¢Í͡¹¤ʾì¹ç¤Υѥ±¥åȥ¤δĶ¤β¼¤Ǥ⼸³¤·¤Ƥ¤¤¡¢¥ͥåȥ¥¯¥¢¥ʥ饤¥¶¤òÍѤ¤¤ÆǽÎθ¶°ø¤βòÀϤò¹Ԥ¦¡£ |
| Âê̾ | GSCIP¤ÎWindows¤ؤμÂÁõ¤˴ؤ¹¤븡Ƥ |
| Ãø¼Ô | *ºÙÈø ¹¬¹¨ (̾¾ëÂç³ØÍý¹©³ØÉô), ÎëÌÚ ½¨Ï (̾¾ëÂç³ØÂç³ر¡Íý¹©³ظ¦µæ²Ê), ÅÏî´ ¹¸ (̾¾ëÂç³ØÍý¹©³ØÉô) |
| Page | pp. 616 - 621 |
| Keyword | ¥ͥåȥ¥¯¥¢¡¼¥¥ƥ¯¥ã |
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