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Anycast provider for SMTP?

I guess there is no real chance without conntrack ... I'll try to use something like LVS+mysql conntrack (no idea if this even exists ...) ....




J?rgen Jaritsch
Head of Network & Infrastructure

ANEXIA Internetdienstleistungs GmbH

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-----Original Message-----
From: Joe Hamelin [joe at nethead.com]
Received: Montag, 15 Juni 2015, 19:51
To: NANOG list [nanog at nanog.org]
Subject: Anycast provider for SMTP?

I have a mail system where there are two MX hosts, one in the US and one in
Europe.  Both have a DNS MX record metric of 10 so a bastardized
round-robin takes place.  This does not work so well when one site goes
down.   My solution will be to place a load balancer in a hosting site
(virtual, of course) and have it provide HA.  But what about HA for the
LB?  At first glance anycasting would seem to be a great idea but there is
a problem of broken sessions when routes change.

Have any of you seen something like this work in the wild?


--
Joe Hamelin, W7COM, Tulalip, WA, 360-474-7474