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Alia Atlas , Gábor Enyedi, András Császár, Robert Kebler,

Maximally Redundant Trees for IP/LDP Unicast, draft-ietf-rtgwg-mrt-frr-architecture-01 Algorithms draft-enyedi-rtgwg-mrt-frr-algorithm-01 for Multicast, draft-atlas-rtgwg-mrt-mc-arch-00. Alia Atlas , Gábor Enyedi, András Császár, Robert Kebler, IJsbrand Wijnands, Maciek Konstantynowicz

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Alia Atlas , Gábor Enyedi, András Császár, Robert Kebler,

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  1. Maximally Redundant Treesfor IP/LDP Unicast,draft-ietf-rtgwg-mrt-frr-architecture-01Algorithmsdraft-enyedi-rtgwg-mrt-frr-algorithm-01for Multicast,draft-atlas-rtgwg-mrt-mc-arch-00 Alia Atlas, Gábor Enyedi, András Császár, Robert Kebler, IJsbrand Wijnands, Maciek Konstantynowicz Russ White, Mike Shand IETF 84, Vancouver, B.C.

  2. Quick Status: MRT for IP/LDP Unicast Fast-Reroute • Well understood and documented • Plan for IGP Extensions: • Use a flag to show MRT support and indicate all associated information as a template. Keep it simple. • Two forwarding options – LDP or IP-in-IP • Associated algorithms all implemented and verified.

  3. Quick Status:MRT Algorithms • Implementation of all MRT algorithms for modeling is done. • Analysis underway to compare/contrast: • MRT alternates (slight variants of algorithm) • Not-via alternates • Optimal possible • Remote-LFA • More topologies are better – anonymized is fine. Individualized results can be available.

  4. Preliminary Analysis:Interlocking Rings

  5. Preliminary Analysis:Example Comparison

  6. Quick Status:MRT for Multicast Fast-Reroute & Live-Live • Architecture understood • Improving live-live reconvergence methods • Working on protocol drafts for the mechanisms. • Looking for feedback & discussion.

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