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MPLS-TP Survivability Framework

This document outlines a framework for MPLS-TP-based survivability, introducing a functional architecture applicable to both LSPs and PWs. It emphasizes the need for detailed protection mechanisms for pseudowires in MPLS-TP networks, to be elaborated in future drafts. The draft utilizes recovery terminology from RFC 4427 and incorporates requirements from RFC 5654, ensuring alignment with established recovery schemes. Ongoing revisions and collaborations aim to enhance the document, with authors inviting feedback and suggestions from the community for further improvement.

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MPLS-TP Survivability Framework

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  1. MPLS-TP Survivability Framework Nurit Sprecher / Nokia Siemens Networks Adrian Farrel / Old Dog Consulting draft-ietf-mpls-tp-survive-fwk-03.txt IETF76, Hiroshima

  2. Scope and Objectives • Provide a framework for MPLS-TP-based survivability, introducing the functional architecture • The general description of the functional architecture is applicable for both LSPs and PWs. • Detailed consideration for the protection of PWs in MPLS-TP networks will be covered in a separate document. We expect that this draft will probably be worked on within the PWE3 working group. • Highlight areas where new work is required. • Use the recovery terminology defined in RFC4427 as normative. Note that RFC 4427 draws on G.808.1. • Refer to the requirements specified in RFC 5654. • Use similar principles of the recovery schemes as those defined and analyzed in RFC 4427 and RFC 4428.

  3. Status and Next Steps • Additional conference call was held to review the document. • The document is in a good shape and is progressing rapidly at the moment • Version 2 is currently with SG15 for early review • Good reviews from a number of individuals. Authors addressed the comments in version 3 which has been just submitted. • Authors plan to work further on the text • Address a few more comments from Dan Forst. • Address comments from SG15. • Fill in the gaps. • Authors are soliciting comments, feedback and suggestions for text from every one.

  4. Questions

  5. Thanks

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