> From: Robin Whittle <[EMAIL PROTECTED]>
> I think the best router-based core-edge separation solutions involve
> the CE and PE routers - those routers at either side of the ISP /
> end-user network division - with a mapping system and extra functions
> ... They do not require any changes to the rest of the end-user
> network's routers, or to its hosts.
Good point - this is indeed better than the absolute first-hop-router.
Actually, I've been thinking more or less along these lines anyway, for
exactly the reasons you list; I just used the phrase "first-hop router" more
to indicate that it was _close_ to the edge, as opposed to in some vague
'core' (e.g. at inter-ISP boundaries, or something like that), rather than to
indicate that it _had_ to be in the _very first_ router.
Noel
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