Hi all,
I am curious whether there is a good solution for data-plane link failure detection and recovery in OpenFlow (or any SDN-based solution). I am aware of NOX or Floodlight's LLDP-based topology discovery modules, which can detect link failures. However, I am looking for an OpenFlow solution that can not only detect, bus also recover from the failure (e.g., by rerouting or finding alternate paths) automatically. The closest I can find is PortLand's fault tolerant routing feature, published in SIGCOMM 2009, which uses a "fabric manager" (an OpenFlow controller) to do the recovery. Is anyone aware of some other related work or solutions? Thanks, Joon
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