Re: [mif] definition of a MIF host

[Nicolas Montavont <ietf at montavont.net>]

On Jul 30, 2009, at 5:30 PM, Marc Blanchet wrote:

> - thanks. it is in fact very good input. the monami6 definition is
> however a bit v6 specific (eg. prefixes advertised on the link)

Yeah, you're right, definitely - I forgot to mention it

Nicolas

> where
> mif shall be af agnostic. I'll adapt it for mif.
>
> Marc.
>
> Nicolas Montavont a écrit :
> > Hi,
> >
> > (I'm only starting to follow this group, so I hope my question was  
> > not
> > discussed before...)
> >
> > I'd like to come back on the discussion on a MIF host as defined in
> > draft-blanchet-mif-problem-statement-00.
> >
> > In the former WG Monami6, we worked on the following document:
> >
> > http://tools.ietf.org/id/draft-ietf-monami6-multihoming-motivation-scenario-03.txt
> >
> >
> > where we also proposed a definition for a multihomed node. We came up
> > with the following definitions:
> >
> >   Interface
> >
> >      A node's point of attachment to a link (as defined in [5])
> >
> >   Multihomed Node
> >
> >      A node (either a host or a router) is multihomed when it has
> >      several global IPv6 addresses to choose between, i.e. in the
> >      following cases when it is either:
> >
> >      *  multi-prefixed: multiple prefixes are advertised on the  
> > link(s)
> >         the node is attached to, or.
> >
> >      *  multi-interfaced: the node has multiple interfaces to choose
> >         between, on the same link or not.
> >
> > Basically it says that a node is multi-homed as soon as it has  
> > multiple
> > addresses of the same scope, from which it can choose to send data
> > packets. What was good IMHO in this definition, is that it is concise
> > and does not try to cover all cases where you can end up in that  
> > case.
> >
> > So for the purpose of draft-blanchet-mif-problem-statement-00, I  
> > would
> > suggest to keep the definition very short, and then have examples in
> > another section that show how a host can be multi-homed / MIF  
> > (several
> > interfaces, several administrative domains, etc).
> >
> > In the same sense, I think that the bullet "Communications using  
> > these
> > IP addresses may happen simultaneous and independently." should not  
> > be
> > in the definition, but again, in some explanations of scenarios.
> >
> > Regards,
> > Nicolas
> > _______________________________________________
> > mif mailing list
> > mif at ietf.org
> > https://www.ietf.org/mailman/listinfo/mif
>
>
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