Re: Software DNS hghi availability and load balancer solution

[david raistrick <drais () icantclick org>]

On Tue, 18 Jan 2011, Jack Bates wrote:
> On 1/18/2011 1:42 PM, david raistrick wrote:
> > Normally, VRRP would be the way to go.   But these days multicast isn't
> > supported everywhere (major example - Amazon EC2), leaving DNS...
>
> Many HA environments use both, and F5 is designed to do both, supporting DNS 
> tricks (of which, you could possibly run host based monitoring and dynamic 
> updates to accomplish), anycast routing, and vrrp-like DSR/NAT load 
> balancing.

Agreed.  But sometimes you can't do both. ;)   Now if F5 would sell me an 
"appliance" that runs their GSLB code I could run @ EC2. ;)






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david raistrick        http://www.netmeister.org/news/learn2quote.html
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