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Ç¥ÁعøÈ£ TTAE.IF-RFC8355 ±¸Ç¥ÁعøÈ£
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¿µ¹®Ç¥Áظí Resiliency Use Cases in Source Packet Routing in Networking (SPRING) Networks
Çѱ۳»¿ë¿ä¾à ÀÌ Ç¥ÁØÀº ¼¼±×¸ÕÆ® ¶ó¿ìÆÃÀ» ÀÌ¿ëÇÑ ³×Æ®¿öÅ© °æ·Î º¸È£ÀÇ È°¿ë »ç·Ê·Î¼­, °æ·Îº¸È£, ·ÎÄà º¸È£, Åë½Å»ç¾÷ÀÚÀÇ °ü¸®¿¡ ÀÇÇÑ ·ÎÄà º¸È£ µî ¼¼°¡Áö »ç·Ê¸¦ ±â¼úÇÑ´Ù.°æ·Î º¸È£´Â ÀÎÀÔ ³ëµå°¡ Àå¾Ö º¹±¸ÀÇ Ã¥ÀÓÀ» Áö´Â ¹æ¹ýÀÌ¸ç ³ª¸ÓÁö ¹æ¹ýÀº Àå¾Ö³ëµå/¸µÅ©ÀÇ ÁÖº¯ ³ëµå¿¡¼­ º¸È£¸¦ ¼öÇàÇÑ´Ù. ·ÎÄà º¸È£´Â ¸µÅ©/³ëÆ® ¿ìȸ º¸È£¿Í ÃÖ´Ü°æ·Î ±â¹Ý º¸È£ ¹æ¹ýÀ» ±â¼úÇÑ´Ù. Åë½Å»ç¾÷ÀÚÀÇ °ü¸®¿¡ ÀÇÇÑ ·ÎÄà º¸È£´Â »ç¾÷ÀÚ°¡ ƯÁ¤ Á¤Ã¥À» ¼öÇàÇϱâ À§ÇÏ¿© ·ÎÄà º¸È£ 󸮸¦ °ü¸®ÇÏ´Â ¹æ¹ýÀÌ´Ù. ÀÌ Ç¥ÁØÀº ¶ÇÇÑ Æ®·¡ÇÈ ¼Õ½ÇÀÌ ¹ß»ýÇÏÁö ¾Ê´Â ·çÇÁ ȸÇÇ ¹æ¹ý°ú »ç¾÷ÀÚ°¡ µ¿ÀÏÇÑ ÀÎÇÁ¶ó¿¡¼­ ´Ù¼öÀÇ º¹¿ø·Â ±â¼úÀ» »ç¿ëÇÏ´Â ¹æ¹ýÀ» ±â¼úÇÑ´Ù.
¿µ¹®³»¿ë¿ä¾à The standard describes a set of use cases related to Segment Routing network resiliency, including path protection, local protection without operator management, and local protection with operator management. Path protection lets the ingress node be in charge of the failure Recovery. We discuss two different approaches providing unmanaged local protection, namely link/node bypass protection and shortest pathbased protection. It also illustrates a case allowing the operator to manage the local protection behavior in order to accommodate specific policies. We discuss the opportunity for the SPRING architecture to provide loop-avoidance mechanisms such that transient forwarding state inconsistencies during routing convergence do not lead into traffic loss. The standard illustrates the different use cases and explain how an operator could combine them in the same network.
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3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;5G System; Session Management Policy Control Service; Stage 3(Release 17)
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3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;5G System; Policy and Charging Control signalling flows and QoS parameter mapping; Stage 3(Release 16)