On Wed, Dec 7, 2011 at 09:30, Alexandru Petrescu < alexandru.petre...@gmail.com> wrote:
> IPv6 CE routers already listen to RAs and use them for routing >> information (see RFC 6204). There's no reason a phone can't do the >> same. >> > > Yes, it sounds logic. But, looking again at RFC6204 - that is a set of > requirements. It does not say how to implement it. > Well, yes, because that behaviour is specified in RFC 4861 and RFC 4862. Moreover, it does not request the use of RFC4191 on the WAN interface of CE > (or I can not find it requiring it so). > That's a fair point. We should probably say the CE router should support it. > For reasons like this I think RFC6204 may be enough for CE but not for > other settings like a telephone. This I don't understand. A CE and a telephone that implements tehering don't need to do anything different (except you can't implement tethering on a /64 without ND proxy) > Fate-sharing may be an advantage for CE, but can also be seen as the > bad single point of failure (RA and routing functionality tied together) (if > RA software on a Router dumps core, its routing kernel still works ok, > thus another router could inform about this route by sending RA about it.) > Then have two routers sending RAs all the time. The host is smart enough to pick one.
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