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Thursday, March 17 • 3:40pm - 4:20pm
Path Protection and Failover Strategies in SDN Networks - Rashmi Pujar, Inocybe Technologies

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In a SDN solution it is crucial to have a self healing network that detects node and link failure events to recover the connectivity of a system by exploiting redundant links; all of which is transparent to the user.
Failover mechanisms can be implemented either using slow-reroute or hard-reroute.
1. Slow-reroute is done in software using disjoint path calculation algorithms (E.g. Suurballe algorithm) and standard Openflow features.
2. Fast-reroute is done using hardware assisted OAM with 802.1ag path failure detection and using Openflow group failover table features.
Opendaylight controller currently implements path failure detection and recovery using slow-reroute mechanism. In this presentation we discuss the current implementation of failover mechanisms, and the challenges in supporting it in the SDN paradigm.

Speakers

Thursday March 17, 2016 3:40pm - 4:20pm
Grand Ballroom B Santa Clara Convention Center