> Please be careful with terminology, though. In the multihoming > context, we aren't talking about source routes set by the host. We're > talking about source-address based routing implemented by the routers; > there is no source route in the packet. That's why it's usually > abbreviated as SADR. > > In segment routing, there is a source route in the packet. Different > animal. Lebrun, Aubry, and Bonaventure have a great paper "Realising SDN without per-flow state in enterprise networks" using ipv6 segment routing to provide controlled paths, exits, etc. i can't find it on the net of a thousand lies, so it may not have been published yet. randy