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Anycast provider for SMTP?
- Subject: Anycast provider for SMTP?
- From: morrowc.lists at gmail.com (Christopher Morrow)
- Date: Mon, 15 Jun 2015 14:02:48 -0400
- In-reply-to: <[email protected]>
- References: <CAO0-hXZKU2gSt3vqj_p0B85xH=yt6RwXJfh_EY9HTzhygnj0Rg@mail.gmail.com> <[email protected]>
On Mon, Jun 15, 2015 at 1:54 PM, J?rgen Jaritsch <jj at anexia.at> wrote:
> 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 ...) ....
not clear how helpful that is?
> -----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
'when one site goes down' ... then the other works fine, right? smtp
is not latency sensitive in the sense that a 30second timeout for a
server will mean delivery to the secondary... right?
> (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?