Re: [PWE3] Definition of PSN

[Lloyd Wood <l.wood@eim.surrey.ac.uk>]

On Mon, 17 Jun 2002, W. Mark Townsley wrote:

> > Klausberger Walter wrote:
> >
> > Hi everybody,
> >
> > I'm relatively new to this list, so my question may have been answered already
> > before. In PWE3 framework draft PSN is defined as IP or MPLS.
> > Is this the focus of the working group, because I'm missing other options like
> > Frame Relay or ATM?
>
> Or IPv6?

any discussion of how to handle fragmentation involves contrasting and
comparing IPv4 and IPv6.

The IETF worries about stuff going over IP networks. Stuff traversing
Frame Relay or ATM networks is someone else's problem.

L.

> Theoretically, you can stick in any packet switched network for your PSN in
> PWE3. Practically, I don't think anyone is working on anything other than MPLS
> and IP right now. Once you have PWE3 over IP, you can always run IP over FR and
> ATM. Hopefully, this will be good enough and we won't need to introduce
> additional native PSN support.
>
> > PWE3 seems to me quite generic and it should not be a big
> > problem to introduce other PSN(like) networks later, or am I wrong?
> >
> > regards
> > - walter

<http://www.ee.surrey.ac.uk/Personal/L.Wood/><L.Wood@surrey.ac.uk>


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