I-D Action: draft-ietf-mpls-ri-rsvp-frr-15.txt
internet-drafts@ietf.org Wed, 21 June 2023 07:24 UTC
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A New Internet-Draft is available from the on-line Internet-Drafts directories. This Internet-Draft is a work item of the Multiprotocol Label Switching (MPLS) WG of the IETF. Title : Refresh-interval Independent FRR Facility Protection Authors : Chandra Ramachandran Tarek Saad Ina Minei Dante Pacella Filename : draft-ietf-mpls-ri-rsvp-frr-15.txt Pages : 27 Date : 2023-06-21 Abstract: RSVP-TE Fast ReRoute extensions specified in RFC 4090 defines two local repair techniques to reroute Label Switched Path (LSP) traffic over pre-established backup tunnel. Facility backup method allows one or more LSPs traversing a connected link or node to be protected using a bypass tunnel. The many-to-one nature of local repair technique is attractive from scalability point of view. This document enumerates facility backup procedures in RFC 4090 that rely on refresh timeout and hence make facility backup method refresh- interval dependent. The RSVP-TE extensions defined in this document will enhance the facility backup protection mechanism by making the corresponding procedures refresh-interval independent and hence compatible with Refresh-interval Independent RSVP (RI-RSVP) specified in RFC 8370. Hence, this document updates RFC 4090 in order to support RI-RSVP capability specified in RFC 8370. The IETF datatracker status page for this Internet-Draft is: https://datatracker.ietf.org/doc/draft-ietf-mpls-ri-rsvp-frr/ There is also an htmlized version available at: https://datatracker.ietf.org/doc/html/draft-ietf-mpls-ri-rsvp-frr-15 A diff from the previous version is available at: https://author-tools.ietf.org/iddiff?url2=draft-ietf-mpls-ri-rsvp-frr-15 Internet-Drafts are also available by rsync at rsync.ietf.org::internet-drafts
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