Hi Wim, What makes you say that in IPv4 there is no anycast ? All anycase I have played so far is IPv4 :)
Cheers, r. On Sun, Mar 29, 2015 at 11:18 PM, Henderickx, Wim (Wim) < [email protected]> wrote: > We will update the draft to highlight the IPv6 anycast behaviour better as > pointed out by RObert. In IPv4 there is no anycast behaviour and as such > there should be one option possible. > > > > On 30/03/15 04:59, "Antoni Przygienda" <[email protected]> > wrote: > > >Yes, but of course I brought it up to show that 'the last one simply > wins' as suggested by the draft is not enough IMO. A good architecture > should probably keep track of what it served as answer and when the answer > is invalid or a new, better one exists, provide a GARP. > > > >As well, when PE2 sends a newer MAC it may not be a good strategy to > serve a GARP if PE1's MAC has already been offered. That could lead IMO to > e.g. gateway chasing problems. > > > >--- tony > > > > > >There are basically two types of people. People who accomplish things, > and people who claim to have accomplished things. The first group is less > crowded. > >~~~ Mark Twain > > > > > >> -----Original Message----- > >> From: Henderickx, Wim (Wim) [mailto:[email protected]] > >> Sent: Thursday, March 26, 2015 6:01 AM > >> To: Antoni Przygienda; Erik Nordmark; Rabadan, Jorge (Jorge) > >> Cc: [email protected] > >> Subject: Re: [bess] ARP ND draft > >> > >> For this case you should sent a GARP with the new MAC/IP > >> > >> > >> > >> > >> On 25/03/15 18:56, "Antoni Przygienda" <[email protected]> > >> wrote: > >> > >> >> > b)It is worth explaining what is suggested behavior if eVPN > >> >> > advertises the same IP with multiple MACs and what happens when > >> >> > e.g. the served MAC vanishes > >> >> > > >> >> Doesn't the EVPN RFC already stating that the routes would be > >> >> withdrawn in that case? > >> > > >> >The scenario I had in mind was when eVPN PE receives > >> > > >> >From PE2 IP1/M1 and later > >> >From PE3 IP1/M2 > >> > > >> >while having answered with IP1/M1 per proxy alrady. Additionally, in > >> >such situation ends up seeing > >> > > >> >From PE2 IP1/<no MAC> > >> > > >> >So the answer it gave is not valid anymore all of a sudden. > >> > > >> >--- tony > _______________________________________________ > BESS mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/bess >
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