CPU Power required for directors?

[Joseph Mack NA3T]

On Wed, 7 Feb 2007, Dan Brown wrote:

> What sort of CPU power is required for a director machine?

a 400MHz machine can saturate a 100Mbps ethernet link. How 
fat is your pipe?

> It's certainly more than a firewall since there's routing 
> (and encapsulation) involved.

routing and encapsulation are relatively cheap (although I 
don't know what "relatively" is). The slow step is (or was 
last time I looked) assembling the packet in the buffer, not 
constructing the parts that will make the final packet.

Can you change a couple of your LVS-DR realservers over to 
LVS-Tun and see if there's any effect? You could eventually 
have them all running LVS-Tun in your current site before 
you commit to the real off-site LVS-Tun setup.

Do you realise with the standard LVS-Tun setup that you 
can't do health checking on the realservers? You'll need to 
add a two way link between the realservers and the director.

Joe
-- 
Joseph Mack NA3T EME(B,D), FM05lw North Carolina
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