Getting started with LVS

[Francisco Gimeno]

> >1) Heartbeat / ldirectord vs. keepalived / vpprd
> >I saw a comparison of the two that was written three years ago.  Today,
> >why would I want one rather than the other?
> I would recommend using LVS + keepalived with VRRPv2. Using that you can
> set up loadbalancing between two loadbalancers which cannot be done by
> Hearbeat + ldirectrod. Withe the former two lvs directors would function
> for handling requests for multiple ips and redirecting them to real
> servers and if one server is down the other would take the charge of the
> failed server.
what about session sync between ipvs master and slave? is still possible when 
doing active-active lvs ?
I'm talking about this: http://www.linuxvirtualserver.org/docs/sync.html
thx