If the network is very big, it may not be possible to use only one controller to control all the switches. In this case, I think we need more controllers. And the controllers can change router tables, then each controller knows the whole network. 2011/7/25 Ben Pfaff <[email protected]>
> On Mon, Jul 25, 2011 at 03:35:07PM +0800, hzy wrote: > > I use mininet create network topology, and run controller using > ./nox_core > > -v -i ptcp: myrouter. > > As we know, the current design of OpenFlow only allows one Nox > controller > > per switch. > > I wonder if I could run two or more controller in VM, each of them > > controls some of the switches. Is it possible? and How can I do ? > > any ideas. > > I don't see why that would be a problem. What problems do you foresee? >
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