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Ç¥ÁعøÈ£ TTAE.IT-G.8113.1/Y.1372.1/R1 ±¸Ç¥ÁعøÈ£
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ÇѱÛÇ¥Áظí ÆÐŶ Àü´Þ¸Á¿¡¼­ MPLS-TP ¿î¿µ, °ü¸®, À¯Áö ¹æ¹ý
¿µ¹®Ç¥Áظí Operations, administration and maintenance mechanisms for MPLS-TP in packet transport networks
Çѱ۳»¿ë¿ä¾à ÀÌ Ç¥ÁØÀº IETF RFC 5860¿¡ Á¤ÀÇµÈ MPLS-TP OAM ¿ä±¸ »çÇ×À» ¸¸Á·ÇÏ°í MPLS-TP ³×Æ®¿öÅ©ÀÇ ¿î¿µ, °ü¸®, À¯Áö(OAM) ¸ÞÄ¿´ÏÁòÀ» ±â¼úÇÏ°í, MPLS-TP OAM ÆÐŶ ÇʵåÀÇ ÆÐŶ Çü½Ä, ±ÔÄ¢, Àǹ̸¦ ±â¼úÇÑ´Ù.
ÀÌ Ç¥ÁØ¿¡ Á¤ÀÇµÈ OAM ¸ÞÄ¿´ÏÁòÀº MPLS-TP »ç¿ëÀÚ ÆÐŶ°ú OAM ÆÐŶÀÇ ÀϹÝÀûÀÎ Àü¼Û¿¡ ´ëÇÑ °ÍÀÌ´Ù. Àü´Þ¸Á¿¡¼­ OAM ±Íȯ °æ·Î´Â Ç×»ó ´ë¿ª ³»¿¡ ÀÖ´Ù.
MPLS-TP OAMÀº µ¿ÀÏ °æ·Î·Î ¼³Á¤µÈ ¾ç¹æÇâ Á¡´ëÁ¡(co-routed bidirectional point-to-point) ¿¬°á¿¡ »ç¿ëÇÑ´Ù. ´Ü¹æÇâ Á¡´ëÁ¡°ú Á¡´ë´ÙÁ¡ OAM ¹æ½Ä µîÀº ÃßÈÄ ³íÀÇµÉ °ÍÀÌ°í ÇöÀç Ç¥ÁØ ³»¿ëÀº ¾Æ´Ï´Ù.
ÀÌ Ç¥ÁØÀº IETF RFC 5654¿¡¼­ ±ÔÁ¤µÈ MPLS-TP ³»¿ëÀ» µû¸£°í, ITU-T¿Í IETF RFC »çÀÌÀÇ MPLS-TP °ü·Ã ³»¿ë¿¡¼­ ÀÏÄ¡ÇÏÁö ¾Ê´Â °æ¿ì RFC ³»¿ëÀ» ¿ì¼±ÇÑ´Ù.
¿µ¹®³»¿ë¿ä¾à This standard contains mechanisms for user-plane operations, administration and maintenance (OAM) in multi-protocol label switching transport profile (MPLS TP) networks to meet the MPLS-TP OAM requirements specified in IETF RFC 5860. It also specifies the MPLS-TP OAM packet formats, syntax and semantics of MPLS-TP OAM packet fields.
The OAM mechanisms described in this standard assume common forwarding of the MPLS TP user packets and MPLS-TP OAM packets. In transport networks, the OAM return path is always in band.
The MPLS-TP OAM mechanisms described in this standard apply to co-routed bidirectional point-to-point MPLS-TP connections. Unidirectional point-to-point and point to multipoint MPLS TP connections will be addressed in a future edition of this standard. This standard is compliant with the transport profile of MPLS as specified IETF RFC 5654. In the event of a misalignment in MPLS-TP-related architecture, framework and protocols between this ITU-T Recommendation and the normatively referenced IETF RFCs, the requests for comments (RFCs) will take precedence.
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