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MS-PW Requirements Addressed by Draft Architecture Enables intra and inter-domain PWs with partial tunnel mesh Resiliency Tunnel protection with standard PSN mechanisms S-PE protection Automatically creates a backup path T-UPE can choose a backup path that is disjoint Quality of Service and Class of Service Supports signaling of PW traffic parameters Supports forward and reverse CAC at PEs Traffic Engineering Next hop selection can be based on end to end knowledge (but not mandated) MS-PW Setup Mechanisms. PW Routing: supports both static and dynamic path selection Can work in a mixed static / dynamic MS-PW environment Operations and Maintenance (OAM) Ensures forward/reverse directions take same path Fully supports existing PW status messaging etc Security Supports security mechanisms applicable to LDP |