A New Internet-Draft is available from the on-line Internet-Drafts
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Title : BFD for MPLS LSPs Enhancement
Author(s) : M. Chen, S. Ning, V. Hallivuori
Filename : draft-chen-mpls-bfd-enhancement-00.txt
Pages : 9
Date : 2009-10-19
This document defines an enhancement to Bi-directional Forwarding
Detection (BFD) for MPLS LSPs [MPLS-BFD] that can be used to specify
the return path of BFD control packets for a specific BFD session.
Specifying return co-routed or protected return path increases
robustness of BFD failure detection and reduces false positives.
This document also defines a way to avoid duplicate BFD sessions
currently encountered with Co-routed Bidirectional LSPs and
Associated Bidirectional LSP. The enhancement halves the BFD
sessions over those LSPs, and allows a Co-routed Bidirectional LSPs
or Associated Bidirectional LSPs to be protected and switched as a
single entity.
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