Re: TCP and anycast (was Re: ECN)

[Randy Bush <randy () psg com>]

> > > RFC 7094 (https://tools.ietf.org/html/rfc7094) describes the pitfalls
> > > & risks of using TCP with an anycast address.
> >
> > and two decades of operational experience are that prudent deployments
> > just work.
>
> I agree with Bill/Randy here... this does just work if you understand
> your local topology and manage change properly.

agree, but would extend ...

sometimes s/local//

i.e. casting from your edge dumps directly to peers, keeping it off
your backbone.  but the topo set you have to keep in mind can be
large.

lots of good research lit on catchment topology of anycasted dns,
which is very non-local.

randy