Anycast provider for SMTP?

Tue Jun 16 23:57:50 UTC 2015

On Jun 15, 2015, at 1:50 PM, Joe Hamelin <joe at nethead.com> wrote:
> 
> 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?

F5 GTM? Depending on what your DNS volume is you could probably get away with a couple of virtual appliances…

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Robert
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