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Ç¥ÁعøÈ£ TTAE.IF-RFC6791 ±¸Ç¥ÁعøÈ£
Á¦°³Á¤ÀÏ 2017-12-13 ÃÑÆäÀÌÁö 18
ÇѱÛÇ¥Áظí ICMPv6 ÆÐŶµéÀ» À§ÇÑ »óÅ ºñº¸Á¸Çü ¼Û½Å ÁÖ¼Ò ¸ÅÇÎ
¿µ¹®Ç¥Áظí Stateless Source Address Mapping for ICMPv6 Packets
Çѱ۳»¿ë¿ä¾à º» Ç¥ÁØÀº RFC 6145(IP/ICMP Translation Algorithm)¿¡ Á¤ÀÇµÈ IP/ICMP º¯È¯ ¾Ë°í¸®ÁòÀ» º¸¿ÏÇÏ´Â RFC 6791(Stateless Source Address Mapping for ICMPv6 Packets)ÀÇ ¿µ¹® ¼ö¿ë Ç¥ÁØÀÌ´Ù. RFC 6145 ´Â º¸Á¸Çü IPv4/IPv6 º¯È¯±â°¡ IPv4 ÁÖ¼Ò·Î º¯È¯ÀÌ ºÒ°¡´ÉÇÑ IPv6 ¼Û½Å ÁÖ¼Ò¸¦ °¡Áö´Â ICMPv6 ÆÐŶ 󸮿¡ ´ëÇÑ ±ÇÀå »çÇ×À» Á¤ÀÇÇÏ°í ÀÖÁö¸¸, »óÅ ºñº¸Á¸Çü IPv4/IPv6 º¯È¯±âÀÇ °æ¿ì¿¡´Â ±ÇÀå »çÇ×À» Á¤ÀÇÇÏÁö ¾Ê°í ÀÖ´Ù. RFC 6791´Â ICMPv6 ÆÐŶÀÇ ¼Û½Å ÁÖ¼Ò°¡ IPv4 ÁÖ¼Ò·Î º¯È¯ÀÌ ºÒ°¡´ÉÇÑ °æ¿ì »óÅ ºñº¸Á¸Çü IPv4/IPv6 º¯È¯±â°¡ ÀÚ½ÅÀÇ IPv4 ÁÖ¼Ò¸¦ »ç¿ëÇϰųª IPv4 ÁÖ¼Ò Ç®¿¡¼­ ÇϳªÀÇ IPv4 ÁÖ¼Ò¸¦ ÇÒ´çÇØ ÇØ´ç ICMPv6 ÆÐŶÀÇ ¼Û½Å ÁÖ¼Ò·Î »ç¿ëÇϵµ·Ï ±ÇÀåÇÑ´Ù. º»·¡ÀÇ ICMPv6 ÆÐŶ ¼Û½Å ÁÖ¼Ò¸¦ RFC 5837(Extending ICMP for Interface and Next-Hop Identification)¿¡¼­ Á¤ÀÇÇÏ°í ÀÖ´Â ¡®Interface IP Address Sub-Object¡¯¿¡ ±âÀÔÇϵµ·Ï ÇÑ´Ù.
¿µ¹®³»¿ë¿ä¾à This standard is directly derived from ¡°Stateless Source Address Mapping for ICMPv6 Packets¡± [RFC6791] that updates the standard ¡°IP/ICMP Translation Algorithm¡± defined in [RFC6145]. RFC 6145 defines the recommendation for handling ICMPv6 packets that contain non-IPv4-translatable source addresses with a stateful IPv4/IPv6 translator, but does not define recommendations for a stateless IPv4/IPv6 translator. RFC 6791 recommends that if an ICMPv6 packet contains a non-IPv4-translatable source address, the stateless IPv4/IPv6 translator uses its IPv4 address or assign an IPv4 address from the IPv4 address pool to use as the source address of that ICMPv6 packet. The original IPv6 source address of the ICMPv6 should be presented in 'Interface IP Address Sub-Object' defined in RFC 5837(Extending ICMP for Interface and Next-Hop Identification).
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°ü·ÃÆÄÀÏ TTAE.IF-RFC6791.pdf TTAE.IF-RFC6791.pdf            

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