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Ç¥ÁعøÈ£ TTAE.IF-RFC2185 ±¸Ç¥ÁعøÈ£
Á¦°³Á¤ÀÏ 2005-12-21 ÃÑÆäÀÌÁö 23
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¿µ¹®Ç¥Áظí Routing Aspects Of IPv6 Transition
Çѱ۳»¿ë¿ä¾à º» Ç¥ÁØÀº IPv4¿¡¼­ IPv6·Î Àüȯ ½Ã ¶ó¿ìÆà Ãø¸é¿¡¼­ÀÇ ¿ä±¸»çÇ×µéÀ» ±â¼úÇϸç, IPv6 ÀüȯÀ» À§ÇØ ±âÁ¸ÀÇ ¸ÞÄ¿´ÏÁòµé°ú ȣȯµÇ¾î¾ß ÇÑ´Ù. IPv4¿¡¼­ IPv6 Àüȯ ±â°£ µ¿¾È, IPv6 ±â¹Ý ½Ã½ºÅÛµéÀº IPv4 ½ºÅø¸ ¼³Ä¡µÈ ½Ã½ºÅÛµé°ú »óÈ£ Á¸ÀçÇؾ߸¸ ÇÑ´Ù. ÀÌ¿Í °°Àº µà¾ó ÀÎÅÍ¿öÅ· ÇÁ·ÎÅäÄÝ È¯°æÇÏ¿¡¼­, IPv4¿Í IPv6 ¶ó¿ìÆà ÀÎÇÁ¶ó´Â µ¿½Ã¿¡ Á¸ÀçÇÏ°Ô µÈ´Ù. Ãʱ⿡, º¸±ÞµÈ IPv6-capable µµ¸ÞÀεéÀº IPv6-capable ÀÎÅÍ³Ý ÀÎÇÁ¶ó¸¦ °æÀ¯Çؼ­ Àü¼¼ °èÀûÀ¸·Î ¿¬°áµÉ ¼ö ¾ø´Ù. ±×·¡¼­, IPv4-only ¶ó¿ìÆà ¿µ¿ªÀ» °¡·ÎÁú·¯ Åë½ÅÇÒ ÇÊ¿ä°¡ ÀÖ´Ù. ÀÌ¿Í °°Àº È¥ÀçµÈ ȯ°æÇÏ¿¡¼­ µ¿ÀûÀ¸·Î ¶ó¿ìÆÃÀ» ¼öÇàÇϱâ À§ÇØ, Àü¼¼°èÀûÀ¸·Î ºÐ»êµÇ¾î ÀÖ´Â IPv6 ¶ó¿ìÆà ¿µ¿ªµé°£¿¡ IPv6 ³×Æ®¿öÅ© °èÃþ µµ´Þ°¡´É¼º Á¤º¸¸¦ ºÐ¹èÇϱâ À§ÇÑ ¸ÞÄ¿´ÏÁòµéÀÌ ÇÊ¿äÇÏ´Ù. µ¿ÀÏÇÑ ±â¼úµéÀÌ IPv4¿¡¼­ IPv6·ÎÀÇ Àüȯ±âÀÇ ÈĹݺÎÀÎ IPv6 ³×Æ®¿öÅ©°¡ ÈξÀ ¸¹Àº ºñÁßÀ¸·Î Â÷ÁöÇÏ°Ô µÇ´Â ½Ã±â¿¡¼­µµ Àû¿ëµÉ °ÍÀÌ´Ù. ´Ù½Ã ¸»ÇØ, IPv6 ÀÎÇÁ¶ó¸¦ ±â¹ÝÀ¸·Î °í¸³µÈ IPv4-only ¶ó¿ìÆà ¿µ¿ª°£ÀÇ ¶ó¿ìÆà Á¤º¸ÀÇ ±³È¯ÀÌ ÇÊ¿ä ÇÏ´Ù.
¿µ¹®³»¿ë¿ä¾à This standard gives an overview of the routing aspects of IPv4 to IPv6 transition. The approach outlined here is designed to be compatible with the existing mechanisms for IPv6 transition. During an extended IPv4-to-IPv6 transition period, IPv6-based systems must coexist with the installed base of IPv4 systems. In such a dual internetworking protocol environment, both IPv4 and IPv6 routing infrastructure will be present. Initially, deployed IPv6-capable domains might not be globally interconnected via IPv6-capable internet infrastructure and therefore may need to communicate across IPv4-only routing regions. In order to achieve dynamic routing in such a mixed environment, there need to be mechanisms to globally distribute IPv6 network layer reachability information between dispersed IPv6 routing regions. The same techniques can be used in later stages of IPv4-to-IPv6 transition to route IPv4 packets between isolated IPv4-only routing region over IPv6 infrastructure. The IP transition provides a dual-IP-layer transition, augmented by use of encapsulation where necessary and appropriate. Routing issues related to this transition include: (1) Routing for IPv4 packets, (2) Routing for IPv6 packets with IPv6-native addresses or IPv4-compatible addresses, (3) Operation of manually configured static tunnels, (4) Operation of automatic encapsulation.
±¹Á¦Ç¥ÁØ IETF RFC 2185
°ü·ÃÆÄÀÏ TTAE_IF-RFC2185.zip TTAE_IF-RFC2185.zip            

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