is that possible to reply to arp request without the help of the controller (that send a packet out )? Le 7 mars 2013 17:11, "Arnaud M" <arnau...@gmail.com> a écrit :
> > Thanks you Rob, > > I'm not totally out of my confusing stage but I think I'm on the right way. > > So an intelligence is needed somewhere... > Else in the controller that react to packet-in by sending packet-out > and/or flow-mod... > Else in an orchestrator tool that is aware of changes and pro actively > push flows > > > > > 2013/3/6 Rob Sherwood <rob.sherw...@bigswitch.com> > >> I think you may be confusing the time scales for "proactive" and >> "reactive". Most people use them to mean "before or after the first >> packet in a flow", but if you want to, for example, upon seeing an ARP >> from host X, proactively install flow rules that match all possible >> traffic to host X, then this is a fairly viable strategy. >> Additionally, if your hosts are VMs and you're using an orchestration >> system, you don't even necessarily have to wait for an ARP as the >> orchestration system will tell you where the hosts are located, so in >> this case, you're "reacting" to host moves in the orchestration >> system. >> >> Hope this helps, >> >> - Rob >> . >> >> On Wed, Mar 6, 2013 at 6:44 AM, Arnaud M <arnau...@gmail.com> wrote: >> > Helle everyone, >> > >> > I was wondering which features could offers an openflow device managed >> only >> > with proactive flow.. It seems to be very limited if the device is not >> > hybrid, am I right ? >> > >> > For example we can forget layer 2 switching without reactive flow (or >> make >> > it static..) >> > >> > Maybe the "only proactive flow management" could be useful in hybrid >> device >> > because if no flow is ok, we can go to normal process (that would assume >> > switching and other stuff..) >> > >> > Any idea ? >> > >> > _______________________________________________ >> > openflow-discuss mailing list >> > openflow-discuss@lists.stanford.edu >> > https://mailman.stanford.edu/mailman/listinfo/openflow-discuss >> > >> > >
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