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¿µ¹®Ç¥Áظí QoS routing and related traffic engineering methods - Call routing and connection routing methods
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ƯÁ¤ ¿¬°á ¶Ç´Â º£¾î·¯-°æ·Î ¶ó¿ìÆà ±â¹ýÀº »ç¿ëµÈ ¶ó¿ìÆà Å×ÀÌºí¿¡ ÀÇÇØ Æ¯Â¡ Áö¿öÁø´Ù. ¶ó¿ìÆà Å×À̺íÀº ÁÖ¾îÁø ¿¬°á ¿äûÀ» À§ÇÑ ·çÆ®·ÎºÎÅÍ ÇϳªÀÇ °æ·Î¸¦ ¼±ÅÃÇϱâ À§ÇØ °æ·Îµé°ú ±× ±ÔÄ¢ ÁýÇÕÀ¸·Î ±¸¼ºµÈ´Ù. ¿¬°á ¿äûÀÌ ¹ß½Å ³ëµå(ON)¿¡ µµÂøÇϸé, ¶ó¿ìÆà ±â¹ýÀ» °¡Áø ±× ONÀº ¿¬°á ¿äûÀ» À§ÇÑ ·çÆ®¿¡ ÀÖ´Â Èĺ¸ °æ·Îµé·ÎºÎÅÍ ÇϳªÀÇ ¼±Åà °æ·Î¸¦ °áÁ¤Çϱâ À§ÇØ ±× ¿¬°áÀ» À§ÇÑ ¶ó¿ìÆà Å×À̺í°ú ´ëÀÀµÈ °æ·Î¼±Åà ±ÔÄ¢À» ½ÇÇàÇÑ´Ù. ƯÁ¤ ¶ó¿ìÆà ±â¹ý¿¡¼­ ¿¬°á ¿äûÀ» À§ÇØ ¼±ÅÃµÈ °æ·Î´Â ¿¬°á ¶ó¿ìÆà ¶Ç´Â °æ·Î ¼±Åà ±ÔÄ¢¿¡ ÀÇÇØ Áö¹è¸¦ ¹Þ´Â´Ù. º» Ç¥ÁØ¿¡¼­´Â ¿©·¯ °¡Áö °æ·Î ¼±Åà ±â¹ýµé: °íÁ¤ ¶ó¿ìÆÃ(FR) °æ·Î ¼±Åà ±â¹ý, ½Ã°£ ÀÇÁ¸ ¶ó¿ìÆÃ(TDR) °æ·Î ¼±Åà ±â¹ý, »óÅ ÀÇÁ¸ ¶ó¿ìÆà (SDR) °æ·Î ¼±Åà ±â¹ý ±×¸®°í »ç°Ç ÀÇÁ¸ ¶ó¿ìÆÃ(EDR) °æ·Î ¼±Åà ±â¹ý µîÀÌ ³íÀǵȴÙ.
¿µ¹®³»¿ë¿ä¾à In this standard, we assume the separation of "call routing" and signalling for call establishment from "connection (or bearer-path) routing" and signalling for bearer-channel establishment. Call routing protocols primarily translate a number or a name, which is given to the network as part of a call setup.
A specific connection or bearer-path routing method is characterized by the routing table used in the method. The routing table consists of a set of paths and rules to select one path from the route for a given connection request. When a connection request arrives at its originating node (ON), the ON implementing the routing method executes the path selection rules associated with the routing table for the connection to determine a selected path from among the path candidates in the route for the connection request. In a particular routing method, the path selected for the connection request is governed by the connection routing, or path selection, rules. In this standard, various path selection methods: fixed routing (FR) path selection, time-dependent routing (TDR) path selection, state dependent routing (SDR) path selection, and event-dependent routing (EDR) path selection are discussed.
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