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On Fri, 11 Jan 2002, Chris wrote:
> Q: is the VIP an actual IP address configured on an actual interface (or
> alias for an interface) that resides on the load-balancer?
yes
> So traffic routed to that VIP would then be subject to some balancing
> algorythm or another (performed by the load balancer), and sent to (via
> dnat or tunnel etc) a real ip address of a real machine serving a real
> service?
yes
> If this is
> the case then the VIP is really a real IP, right?
yes
> I had thought, that the
> VIP was a floating address between two or more machines, meaning that
> machine A and machine B can share 10.10.10.10 (for example), and then took
> turns, so to speak, taking responsibility for that address. I am now
> thinking that this is not the case.
if you have 2 boxes to act as directors, to guard against director
failure, then only one of them can be the director at a time and only
one can have the VIP. In this case, the software that is controlling the
failover will have to move the VIP from one of these boxes to the other.
Joe
--
Joseph Mack, mack@xxxxxxxxxxxx
Linux Virtual Server project
http://www.linuxvirtualserver.org
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