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Ç¥ÁعøÈ£ TTAE.IF-RFC5015 ±¸Ç¥ÁعøÈ£
Á¦°³Á¤ÀÏ 2008-12-19 ÃÑÆäÀÌÁö 54
ÇѱÛÇ¥ÁØ¸í ¾ç¹æÇâ PIM ÇÁ·ÎÅäÄÝ
¿µ¹®Ç¥Áظí Bidirectional Protocol Independent Multicast (BIDIR-PIM)
Çѱ۳»¿ë¿ä¾à ÀÌ Ç¥ÁØÀº PIM-SMÀÇ º¯ÇüÀÎ ¾ç¹æÇâ PIM ÇÁ·ÎÅäÄÝÀ» ¼³¸íÇÑ´Ù. ´Ù½Ã ¸»ÇØ, ¸ÖƼij½ºÆ®¼Û½ÅÀÚ¿Í ¼ö½ÅÀÚ »çÀ̸¦ ¿¬°áÇÏ´Â ¾ç¹æÇâ °øÀ¯ Æ®¸®¸¦ Çü¼ºÇÑ´Ù. ¾ç¹æÇâ Æ®¸®´Â fail-safe designated forwarder (DF) ¼±Ãâ ¸ÞÄ¿´ÏÁòÀ» »ç¿ëÇؼ­ Çü¼ºµÈ´Ù. ÀÌ ¼±Ãâ ¸ÞÄ¿´ÏÁòÀº ¸ÖƼij½ºÆ® ÅäÆú·ÎÁöÀÇ °¢ ¸µÅ© »ó¿¡¼­ µ¿ÀÛÇÑ´Ù. DFÀÇ µµ¿òÀ» ¹Þ¾Æ, ¸ÖƼij½ºÆ® µ¥ÀÌÅÍ´Â ¼øÀüÈ÷ ¼Û½ÅÀÚ¿¡¼­ RP (Rendezvous-point)·Î Æ÷¿öµùµÈ´Ù.
¿µ¹®³»¿ë¿ä¾à This Standard discusses Bidirectional PIM (BIDIR-PIM), a variant of PIM Sparse-Mode that builds bidirectional shared trees connecting multicast sources and receivers. Bidirectional trees are built using a fail-safe Designated Forwarder (DF) election mechanism operating on each link of a multicast topology. With the assistance of the DF, multicast data is natively forwarded from sources to the Rendezvous-Point (RP) and hence along the shared tree to receivers without requiring source-specific state. The DF election takes place at RP discovery time and provides the route to the RP, thus eliminating the requirement for data-driven protocol events.
±¹Á¦Ç¥ÁØ IETF RFC 5015
°ü·ÃÆÄÀÏ TTAE.IF-RFC5015.pdf TTAE.IF-RFC5015.pdf            

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