@techreport{liu-mpls-tp-ring-protection-01, number = {draft-liu-mpls-tp-ring-protection-01}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-liu-mpls-tp-ring-protection/01/}, author = {Guoman Liu and Jian Yang and Lili Jiang and Fu zhentao}, title = {{Multiprotocol Label Switching Transport Profile Ring Protection}}, pagetotal = 17, year = 2010, month = sep, day = 25, abstract = {according to RFC 5654 MPLS-TP Requirement, there are two requirements : requirement 56.B Recovery techniques used for P2P and P2MP should be identical to simplify implementation and operation.another requirement as section 2.5.6.1 describles: within the context of recovery in MPLS-TP networks,the optimization criteria considered in ring topologies are as follows: 1 minimize the number of OAM entities that are needed to trigger the recovery operation; 2 Minimize the number of elements of recovery in the ring; 3 Minimize the number of labels required for the protection paths across the ring; 4 minimize the amount of control and management plane transactions during maintenance operation. this decument will describle and provide two types of ring protection solutions. both solutions can satisfy these requirements of recovery in mpls-tp ring network.}, }