Hi Dave, For a controller to do L3 routing in a "walled garden", am I right to say that the switches will have to implement some L3 routing functionalists to interact with the controller? Thanks.
On Mon, May 28, 2012 at 2:19 AM, Dave Nelson <dnel...@elbrys.com> wrote: > > ....Dave the option you were mentioning would still dependent > > on the control plane, negating some of the advantages of SDN... > > There *has* to be a control plane. With SDN, it doesn't have to be in the > switch, it can be in the controller. If you want to interface with > "standard" switches and routers at the edges of your OpenFlow network, the > controller is going to have to receive and send standard L2 and L3 topology > discovery messages, and they probably want to ingress and egress from the > switch ports. If you have an OpenFlow "walled garden", then no, the > controller doesnt have to interface with traditional switches and routers, > and you can do whatever you like in the controller to build L2 and L3 > forwarding behavior. > > Regards, > > Dave > > David B. Nelson > Director of Technology > Elbrys Networks, Inc. > www.elbrys.com > +1.603.570.2636 > > _______________________________________________ > openflow-discuss mailing list > openflow-discuss@lists.stanford.edu > https://mailman.stanford.edu/mailman/listinfo/openflow-discuss > >
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