18 Jan
2011
18 Jan
'11
4:01 p.m.
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. ;) -- david raistrick http://www.netmeister.org/news/learn2quote.html drais@icantclick.org http://www.expita.com/nomime.html