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Ç¥ÁعøÈ£ TTAE.IT-G8112/Y1371 ±¸Ç¥ÁعøÈ£
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ÇѱÛÇ¥Áظí Àü´ÞÇü MPLS °èÃþÀÇ ÀÎÅÍÆäÀ̽º
¿µ¹®Ç¥Áظí Interfaces for the Transport MPLS (T-MPLS) hierarchy
Çѱ۳»¿ë¿ä¾à º» Ç¥ÁØÀº T-MPLS Ŭ¶óÀ̾ðÆ® ½Ã±×³Î°ú T-MPLS Ư¼º Á¤º¸ÀÇ ÀÎĸ½¶·¹ÀÌ¼Ç ¹æ¹ýÀ» Á¤ÀÇÇÑ´Ù. ÀÌ ¶§, T-MPLS Ŭ¶óÀ̾ðÆ® ½Ã±×³ÎÀº T-MPLS Ư¼º Á¤º¸¿¡ Æ÷ÇԵǰí, T-MPLS Ư¼º Á¤º¸´Â T-MPLS ¸µÅ© ÇÁ·¹ÀÓ¿¡ Æ÷ÇԵȴÙ. ±×¸®°í T-MPLS ¼­ºê¸ÁÀÌ ´Ù¸¥ ¸µÅ© ÇÁ·¹ÀÓ Æ÷¸ËÀ¸·Î ¿¬°áµÉ ¶§, T-MPLS ¸µÅ© ÇÁ·¹ÀÓÀÇ ÀÎÅÍ¿öÅ·À» Á¤ÀÇÇÑ´Ù. ¶ÇÇÑ Àü´Þ¸ÁÀÇ T-MPLS °èÃþ°ú °ü·ÃµÈ T-MPLS ¸ÖƼÇ÷º½Ì, °èÃþ¸¶´ÙÀÇ T-MPLS ¿¬°á ¸ð´ÏÅ͸µ, T-MPLS OAM µîÀ» Á¤ÀÇÇÑ´Ù.
¿µ¹®³»¿ë¿ä¾à This Recommendation specifies the interfaces for the Transport MPLS (T-MPLS) hierarchy, in particular the:
- encapsulation of T-MPLS client signals into the T-MPLS characteristic information that will be present on T-MPLS NNI links in the transport network;
- encapsulation of T-MPLS characteristic information into the T-MPLS link frames that will be present on T-MPLS NNI links in the transport network;
- T-MPLS link frame format interworking when T-MPLS subnetworks with different link frame formats are interconnected;
- T-MPLS hierarchy within the transport network and associated T-MPLS multiplexing;
- T-MPLS nested connection monitoring per hierarchy level within the transport network;
- T-MPLS OAM associated with nested connection monitoring in the transport network;
- encapsulation of in-band T-MPLS control plane information into the T-MPLS link frames that will be present on T-MPLS NNI links in the transport network.
The T-MPLS network uses various server layer networks like OTH, SDH, PDH, ETH and RPR. The detailed requirements are specified in a number of ITU-T Recommendations, ANSI Standards, IEEE Standards and IETF RFC, which are referred to.
This Recommendation specifies unicast LSPs multicast LSPs are for further study.
This Recommendation does not cover inter-operator control plane aspects of the T-MPLS NNI.
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