MPLS-TP Ring Protection Switching (MRPS)

Document Type Expired Internet-Draft (individual)
Last updated 2014-10-19 (latest revision 2014-04-17)
Replaces draft-umansky-mpls-tp-ring-protection-switching
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document describes a mechanism to address the requirements for protection of the Multi-Protocol Label Switching Transport Profile (MPLS-TP) Label Switched Paths (LSP) in a ring topology. The mechanism defined herein is designed to support point-to-point as well as point-to-multipoint LSPs. The MPLS-TP section layer OAM is used to monitor the connectivity between each two adjacent nodes using the mechanisms defined in the [RFC6371]. The Automatic Protection Switching (APS) protocol is used for coordination of protection switching actions between the ring nodes.


Huub van Helvoort (
Jeong-dong Ryoo (

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