RSVP-TE Extensions For Associated Co-routed Bidirectional Label Switched Paths (LSPs)

Document Type Replaced Internet-Draft (individual)
Authors Rakesh Gandhi  , Himanshu Shah  , Jeremy Whittaker 
Last updated 2016-01-11
Replaced by draft-gandhishah-teas-assoc-corouted-bidir
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


In transport networks, there are requirements where reverse unidirectional LSP of a bidirectional LSP needs to follow the same path as its forward unidirectional LSP. This document describes how RSVP Extended ASSOCIATION Object can be used to bind two co-routed point-to-point unidirectional LSPs into an associated co-routed bidirectional LSP in single-sided provisioning case. The RSVP REVERSE_LSP Object is used to enable an endpoint to trigger creation of the reverse LSP along the same path as the forward LSP. Fast-reroute procedures to ensure that the traffic flows on the co- routed path after a failure event are also described.


Rakesh Gandhi (
Himanshu Shah (
Jeremy Whittaker (

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