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¿µ¹®Ç¥Áظí QoS routing and related traffic engineering methods - Routing table management methods and requirements
Çѱ۳»¿ë¿ä¾à ¶ó¿ìÆà Å×ÀÌºí °ü¸®´Â ÀüÇüÀûÀ¸·Î ¸ÁÇü»ó(topology)À̳ª ¸Á »óÅ Á¤º¸¿¡ ±Ù°ÅÇÑ ¶ó¿ìÆà Å×À̺íÀÇ ÀÚµ¿ »ý¼ºÀ» ¼ö¹ÝÇÑ´Ù. ¸ÁÇü»ó °»½Å, »óÅ Á¤º¸ ¹× ¶ó¿ìÆà ±Ç°í¿Í °°Àº ¶ó¿ìÆà Å×ÀÌºí °ü¸® Á¤º¸´Â ¶ó¿ìÆà Å×ÀÌºí¿¡¼­ °æ·Î ¼±ÅÃÀ» °áÁ¤Çϱâ À§ÇÑ ¶ó¿ìÆà Å×ÀÌºí ¼³°è ±ÔÄ¢À» Àû¿ëÇÒ ¸ñÀûÀ¸·Î »ç¿ëµÈ´Ù. ÀÌ Á¤º¸´Â ¹ß½Å³ëµå¿Í Âø½Å³ëµå »çÀÌ ¶Ç´Â ÇÑ ³ëµå¿Í ´ë¿ª Áß°³ ÇÁ·Î¼¼¼­(BBP)¿Í °°Àº ¸Á ¿ä¼Ò »çÀÌ µî°ú °°ÀÌ ÇÑ ³ëµå¿Í ´Ù¸¥ ³ëµå °£¿¡ ±³·ùµÈ´Ù. ¶ó¿ìÆà Å×ÀÌºí °ü¸® Á¤º¸´Â ¶ÇÇÑ ¶ó¿ìÆà Å×À̺íÀ» »ý¼ºÇϴµ¥ »ç¿ëµÇ°í, ¶ó¿ìÆà Å×À̺íÀº ÇÑ °æ·ÎÀÇ ¼±Åÿ¡ »ç¿ëµÈ °æ·Î ¼±ÅÃÀ» °áÁ¤Çϴµ¥ »ç¿ëµÈ´Ù. º» Ç¥ÁØ¿¡¼­´Â ¶ó¿ìÆà Å×À̺í ÀÚµ¿ »ý¼º ±â´É, »óÅ °»½Å ±â¹ý, »óÅ °áÁ¤ ±â¹ý ¹× ¶ó¿ìÆà ±Ç°í ±â¹ý µîÀ» Æ÷ÇÔÇÑ ¶ó¿ìÆà Å×ÀÌºí °ü¸® ±â¹ý°ú TDM ±â¹Ý, ATM ±â¹Ý ¹× IP ±â¹Ý ¸Á¿¡¼­ ¶ó¿ìÆà Å×À̺íÀ» °ü¸®Çϱâ À§ÇÑ ¿©·¯ °¡Áö ¿ä¼Ò, ÆĶó¹ÌÅÍ ¹× ¿ä±¸»çÇ×µéÀ» ³íÀÇÇÑ´Ù. ÀÌµé ¿ä¼Ò¿¡´Â ¸µÅ© »óÅ ÅëÁö(LSA) ¿ä¼Ò, ¸ÁÇü»ó »óÅ ¿ä¼Ò(TSE), ¶ó¿ìÆà »óÅ ¿ä¼Ò(RSE), ¶ó¿ìÆà ¿äû ¿ä¼Ò(RQE) ¹× ¶ó¿ìÆà ±Ç°í ¿ä¼Ò(RRE) µîÀÌ ÀÖ´Ù.
¿µ¹®³»¿ë¿ä¾à Routing table management typically entails the automatic generation of routing tables based on network topology and other information such as status. Routing table management information, such as topology update, status information, or routing recommendations, is used for purposes of applying the routing table design rules for determining path choices in the routing table. This information is exchanged between the originating node (ON) and destination node (DN), for example, or between a node and a network element such as a bandwidth-broker processor (BBP). This information is used to generate the routing table, and then the routing table is used to determine the path choices used in the selection of a path. In this standard, we discus the routing table management methods including automatic generation of routing tables, status updates, determination of status information, routing recommendation methods and the various elements, parameters and requirements, which will become the standard routing table management method for interworking across IP-, ATM-, and TDM-based networks. These elements include link state advertisement (LSA), topology state element (TSE), routing state element (RSE), routing query element (RQE) and routing recommendation element (RRE).
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