GMPLS%20Based%20Segment%20Recovery%20draft-berger-ccamp-gmpls-segment-recovery-00.txt

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GMPLS Based Segment Recoverydraft-berger-ccamp-g
mpls-segment-recovery-00.txt

• L. Berger (Movaz), I. Bryskin (Movaz), D.
  Papadimitriou (Alcatel), A. Farrel (Old Dog
  Consulting)

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Motivation

• Provide protection over a portion of an LSP
• For all GMPLS switching types
• Compliments End-to-End GMPLS-based Recovery
• Support identical protection and restoration
• 11, 11, 1N Protection, Rerouting, Shared-Mesh

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Other attributes

• Dynamic or explicit identification of PLR/MP
• Optional upstream identification of
• Branch node (PLR)
• Merge node
• Intervening path
• Compatible with FastReroute
• Reuses End-to-End GMPLS-based Recovery mechanisms
• Association Object (non-FRR case)
• Adds resource sharing
• E2E Protection Object (non-FRR)
• Defines two new fields taken from the reserved
  field

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Next Steps

• Add some additional usage scenarios
• Including more words on Fast Reroute
• Adopt as WG work item/document