On Mon, 24 Feb 2003, Erik Nordmark wrote:
> > For connection-less protocols, source address should not matter, that 
> > much.
> 
> The fact that UDP is a connection-less layer 4 protocol doesn't mean
> that there aren't protocols above it which assume that they
> continue to talk to the same peer (until communication fails).

This can also be turned the other way around: for such protocols, 
connection failure signals the need to re-establish this 
"pseudo-connection".

This is a big problem only if the anycast group is flapping severely, it 
seems to me.

-- 
Pekka Savola                 "You each name yourselves king, yet the
Netcore Oy                    kingdom bleeds."
Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings

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