There seems to be reason to explain the context/workings more clearly, both in terms of multicasting an RA and the overall expected BBF usage.
-Woj. On 19 August 2010 15:07, Alan Kavanagh <alan.kavan...@ericsson.com> wrote: > Hi Ole > > So I see two tracks here, as I noted last year in BBF. 1. You sent the RA > periodically multicasted for the defautl router address advertisement. In > this you can also multicast a Prefix as would be the case in some > situations, i.e. hotspot deployments connected over a TR-101 network. 2. The > Edge node waits for the RS before sending the RA to trigger sub rules and > allocate an IPv6 Prefix specifically for this identified host. > > Reality is this will be used by numerous Fixed Service Providers whom have > an N:1 VLAN model and will not change this because of IPv6 :-) > > On the periodic RA's I agree for the default router address but for PIO > options that is configurable ;-)....i would not like all my hosts on an Edge > node to be multicasting the same prefix to thousands of sub lines....hmmm! > > Alan > > -----Original Message----- > From: Ole Troan [mailto:ichiroumak...@gmail.com] On Behalf Of Ole Troan > Sent: August-19-10 9:02 AM > To: Alan Kavanagh > Cc: Wojciech Dec; Suresh Krishnan; Brian Haberman; IPv6 WG Mailing List > Subject: Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt > > Alan, > > > Don't you have that same problem regardless of the LIO? > > > > If you have an IPv6 host directly connected to say your loving > Residential Gateway and it sends 3 RS messages you have the same issue, > right? > > > > Also, the likelihood of losing 3 RS messages are highly unlikely, you > would have better probability doing the Lottery and winning! > > SLAAC works with periodic RAs. so in the above scenario SLAAC would work, > it would just take a little longer. > if what is proposed in rs-mark is only to use 'triggered by RS' unicast > RA's then I think you are breaking how SLAAC is intended to work. > if you _do_ send periodic multicast advertisements even without PIO > options, you should be OK I think. > > cheers, > Ole > >
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