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Ç¥ÁعøÈ£ | TTAE.IF-RFC3569 | ±¸Ç¥ÁعøÈ£ | |
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Á¦°³Á¤ÀÏ | 2005-12-21 | ÃÑÆäÀÌÁö | 28 |
ÇѱÛÇ¥Áظí | ¼Ò½º ÁöÁ¤ ¸ÖƼij½ºÆ® (SSM) °³¿ä | ||
¿µ¹®Ç¥Áظí | An overview of Source-Specific Multicast | ||
Çѱ۳»¿ë¿ä¾à | IETFÀÇ RFC 3569 An overview of Source-Specific Multicast Ç¥ÁØÀº SSMÀÇ °³¿ä¿Í PIM-SM°ú IGMP/MLD ÇÁ·ÎÅäÄÝÀÇ Á¦°ø¿¡ °ü·ÃÇÏ¿© Á¤ÀÇÇÑ´Ù. ¼Ò½º IP ÁÖ¼Ò¸¦ (S)¶ó°í Á¤ÀÇÇÏ°í ¸ÖƼij½ºÆ® ±×·ì ÁÖ¼Ò¸¦ (G)¶ó°í Á¤ÀÇÇÏ¸é ¸ÖƼij½ºÆ® ÀÌ¿ëÀڴ ä³Î (S,G)¸¦ ÅëÇÏ¿© ¸ÖƼij½ºÆ® µ¥ÀÌÅͱ׷¥À» ¹ÞÀ» ¼ö ÀÖ´Ù. SSMÀº IPv4 »Ó¸¸ ¾Æ´Ï¶ó IPv6¿¡¼µµ »ç¿ëÇÒ ¼ö ÀÖ´Ù. ÀÌ¿ëÀÚ°¡ ä³Î °¡ÀÔÀ» À§Çؼ´Â IGMPv3 ÇÁ·ÎÅäÄÝ È¤Àº MLDv2 ÇÁ·ÎÅäÄÝÀÌ ÇÊ¿äÇÏ´Ù. PIM-SM ÇÁ·ÎÅäÄÝÀ» ÀÌ¿ëÇÏ¿© ¼Ò½º·Î IP ¸ÖƼij½ºÆ® °¡ÀÔ ÆÐŶÀ» Àü´ÞÇÒ¼ö ÀÖ´Ù. º» Ç¥ÁØÀº SSMÀÇ Ç¥ÁØÀÌ ¾Æ´Ï°í SSMÀÇ °³¿ä¿Í SSMÀÇ ÀåÁ¡À» ¼Ò°³ÇÑ´Ù. ¶ÇÇÑ SSMÀ» Á¦°øÇÒ ¶§ ³ªÅ¸³ª´Â ¿©·¯ °¡Áö ¹®Á¦Á¡À» ÇØ°áÇÏ´Â ¹æ¹ýµéµµ ¼Ò°³ÇÑ´Ù. ¸ÖƼij½ºÆ® ¼ºñ½º ¸ðµ¨°úÀÇ »óÈ£ ¿î¿ë¼º À̽´µµ ´Ù·é´Ù. | ||
¿µ¹®³»¿ë¿ä¾à | This document provides an overview of the Source-Specific Multicast (SSM) service and its deployment using the PIM-SM and IGMP/MLD protocols. The network layer service provided by SSM is a "channel", identified by an SSM destination IP address (G) and a source IP address S. An IPv4 address range has been reserved by IANA for use by the SSM service. An SSM destination address range already exists for IPv6. A source S transmits IP datagrams to an SSM destination address G. A receiver can receive these datagrams by subscribing to the channel (Source, Group) or (S,G). Channel subscription is supported by version 3 of the IGMP protocol for IPv4 and version2 of the MLD protocol for IPv6. The interdomain tree for forwarding IP multicast datagrams is rooted at the source S, and is constructed using the PIM Sparse Mode [9] protocol. | ||
±¹Á¦Ç¥ÁØ | IETF RFC 3569 | ||
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