I can have a try, but I dont expect the new algorithm will solve my problem. :)
On Mon, Dec 21, 2009 at 12:36 AM, Rob Sherwood <rob.sherw...@stanford.edu> wrote: > Hello Guanyao, > > I don't work for Nicira, but there are some well known scaling issues > with the algorithm used by the discovery protocol. I'm hoping that > this week I should be able to get around to an improved algorithm > that, if you're interested in previewing, I can send you a copy. > > - Rob > . > > > > On Fri, Dec 18, 2009 at 2:44 PM, Martin Casado <cas...@nicira.com> wrote: >> Yeah, it could be due to high-loss from load (unfortunately). >> >> You could try increasing the timeout value in discovery.py. If you don't >> have dynamic link events, this should be able to survive temporary timeouts. >> >> What switches are you using? >> >>> In my program the discovery module times out links sometimes, causing >>> my program not working well. I will debug to find out details why the >>> link fails. Actually they are not supposed to fail. Maybe it's because >>> of huge data. >>> >>> On Fri, Dec 18, 2009 at 8:41 AM, Martin Casado <cas...@nicira.com> wrote: >>> >>>> >>>> The goal is to detect link failures, so one would hope that would be the >>>> most common failure mode. >>>> >>>> >>>>> >>>>> I assume LLDP packets are sent periodically. If there is no LLDP, what >>>>> will be the most possible reason? The controller or the switch is too >>>>> busy? >>>>> >>>>> On Thu, Dec 17, 2009 at 3:07 PM, Martin Casado <cas...@nicira.com> >>>>> wrote: >>>>> >>>>> >>>>>> >>>>>> Discovery times out links when no LLDP packets have been received over >>>>>> some >>>>>> timeout period. Timer values are documented within discovery.py. >>>>>> >>>>>> >>>>>> >>>>>>> >>>>>>> It seems this module will periodically construct the topology. I dont >>>>>>> know why it will periodically time_out the links. I want to know in >>>>>>> what situations the links will time_out. >>>>>>> Thanks. >>>>>>> >>>>>>> _______________________________________________ >>>>>>> nox-dev mailing list >>>>>>> nox-dev@noxrepo.org >>>>>>> http://noxrepo.org/mailman/listinfo/nox-dev_noxrepo.org >>>>>>> >>>>>>> >>>>>>> >>>>>> >>>>>> >>>> >>>> >> >> >> _______________________________________________ >> nox-dev mailing list >> nox-dev@noxrepo.org >> http://noxrepo.org/mailman/listinfo/nox-dev_noxrepo.org >> > _______________________________________________ nox-dev mailing list nox-dev@noxrepo.org http://noxrepo.org/mailman/listinfo/nox-dev_noxrepo.org
