Fast Recovery for EVPN DF Election

Document Type Replaced Internet-Draft (individual)
Authors Ali Sajassi  , Gaurav Badoni  , Dhananjaya Rao  , Patrice Brissette  , John Drake  , Jorge Rabadan 
Last updated 2018-03-20
Replaced by draft-ietf-bess-evpn-fast-df-recovery
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


Ethernet Virtual Private Network (EVPN) solution [RFC 7432] describes DF election procedures for multi-homing Ethernet Segments. These procedures are enhanced further in [DF-FRAMEWORK] by applying Highest Random Weight Algorithm for DF election in order to avoid DF status unnecessarily upon a failure. This draft makes further improvement to DF election procedures in [DF-FRAMEWORK] by providing two options for fast DF election upon recovery of the failed link or node associated with the multi-homing Ethernet Segment. This fast DF election is achieved independent of number of EVIs associated with that Ethernet Segment and it is performed via a simple signaling between the recovered PE and each PE in the multi-homing group.


Ali Sajassi (
Gaurav Badoni (
Dhananjaya Rao (
Patrice Brissette (
John Drake (
Jorge Rabadan (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)