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Re: Proposed IPv6 DNS Discovery Requirements



The original anycast extensions draft was incorporated into the
MLDv2 draft (draft-vida-mld-v2-02.txt) which is a MAGMA WG
document.

Regards,
Brian

Ralph Droms wrote:
> 
> Are the MLD extensions for anycast written up somewhere?
> 
> - Ralph
> 
> At 03:56 PM 4/30/2002 +0200, Hesham Soliman (ERA) wrote:
> >
> >   > >> b) What's the security model by which the router decides
> >   > whether to
> >   > >>    accept routing updates from the DNS server?
> >   > >
> >   > > The same model that is used between routers in the network.
> >   >
> >   > Right, so this approach adds a whole new set of boxes that
> >   > can mess up
> >   > your routing system.  This does not strike me as a good thing.
> >
> >=> Which boxes does it add? I really don't see any more
> >boxes here. Note, I'm not advocating this particular
> >approach (injecting routes from the DNS) but I don't
> >agree with your claim above, and I think it can work.
> >
> >I think something like MLD extensions would be much cleaner.
> >
> >   > > That's up to your implementation.  The DNS is the only
> >   > server using
> >   > > this address, so you can tie them together.
> >   >
> >   > Sure.  One can do the same kind of thing with the DHCP approach (use
> >   > SO_REUSEPORT or whatever and tie the DHCP mini server to the DNS
> >   > server).
> >
> >=> I believe you :), in fact, since you read the draft
> >(twice now ;) ) you would have seen that DHCP messages
> >were also considered for the 'content' part of the
> >discovery.
> >
> >   > The point was just that exactly the same considerations apply to the
> >   > anycast proposal as apply to other proposals.
> >
> >=> I think you're mixing the 'content' of the message
> >used for discovery and the method used for transporting
> >that message to the right server. Anycast does the latter.
> >So I don't know why you're comparing anycast with DHCP.
> >DHCP can also use anycast in theory, I never tried
> >it.
> >
> >Hesham
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