[Gllug] Redbus outage

[Steve Nelson]

On Wed, 2 Mar 2005 11:55:51 +0000, Liam Delahunty <liamvictor at gmail.com> wrote:

> I mean even if we had another box elsewhere, wouldn't DNS be pointed
> at the old box and so email/web requests would still go there? Updates
> would take 24 hours or so wouldn't they?

We do 'global load balancing' - ie for each customer we have DNS
pointing at redundant devices in each datacenter, which in turn do a)
proximity and b) availability polling every 5 minutes.  The system
then returns the fastest responding (or only available) IP.

Works very nicely.

S.
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