Re: Failover Between 2 Datacenters

[ken price <kprice75@xxxxxxxxx>]

Yes, I'm very familiar with Super Sparrow, being one of the only projects of it's kind.  In fact, our clusters ran Ultramonkey 1.0.2 and 2.0.0 until 6 months ago - I've since switched everything to Keepalived.  Maybe my knowledge of BGP routing is the weak point here, which is very possible, but won't if be a problem if I have (for example) one datacenter hosted with Sprint and the other hosted with AT&T?  Super Sparrow seems to accomodate loadbalancing, but not real-time failover for thousands of clients hitting a single URL.  Again, does anyone know if early expiration of a DNS record would help here?  It would tremendously increase the load on the DNS servers, but may be worth it?

 

Thanks!

 

"Graham D. Purcocks" <grahamp@xxxxxxxxxxxxx> wrote:
Ken

I saw something on the UltraMonkey site which did this, Super Sparrow. I
also found another, but not being too helpful, I can't remember the
name. However, both projects appeared to start in 1999 and don't appear
to be be actively developed. Both were Dynamic DNS solutions.

I have the same situation where we have ultra critical Web servers in
the UK, and mirrored in the US. We currently give out clients both URL's
but it would be nice to not have to do this.

So if anyone knows of a solution which is active, I also would be
interested.

Graham
--
Graham D. Purcocks Weather Services International
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Phone: +44 121-233-7600 Hockley
Fax: +44 121-233-7666 Birmingham B1 3PE
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