[Users] Load Balancing

Thomas Deillon Thomas.Deillon at smart-telecom.ch
Wed Dec 6 17:05:53 CET 2006


Hi all,

Someone using LVS can send his configuration to help us?

Thanks,

Thomas

-----Message d'origine-----
De : users-bounces at openser.org [mailto:users-bounces at openser.org] De la part de Klaus Darilion
Envoyé : mercredi, 6. décembre 2006 09:58
À : Watkins, Bradley
Cc : users at openser.org
Objet : Re: [Users] Load Balancing

Hi Bradley!

Watkins, Bradley wrote:
> 
> I use UltraMonkey (www.ultramonkey.org), but it's basically a packaging
> of Linux-HA and LVS.
> 
> LVS supports connection persistence, and that works very well.  The
> level of granularity of load balancing is on a per-IP basis, not
> per-transaction (LVS only does L3 load-balancing, not L4-7).  But
> assuming a reasonable value for the persistence timeout, there should be
> no problems with SIP transactions (and I haven't experienced anything
> problematic).

Are you using TCP or UDP (or both) for SIP?

Reading LVS doc I see there are several methods for packet forwarding:
- Direct Routing
- IP-IP Encapsulation
- NAT

Which one do you use?

regards
Klaus

> 
> Ldirectord also supports SIP health checks (they're pretty basic OPTIONS
> requests, but it's something), and will fail over to working SIP
> proxies.  Of course, in-progress transactions will fail as the OpenSER
> process on one box doesn't have the stateful knowledge of the other.
> 
> Regards,
> - Brad
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-- 
Klaus Darilion
nic.at


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