[lvs-users] SNAT with LVS

Nick Calvert nick.calvert at tagadab.com
Mon Oct 28 21:34:15 GMT 2013


Hmm. Very interesting. Thank you very much. 

Can I take from this that kernel based SNAT is somehow better for lots of
concurrent connections? I did see loadbalancer.org use HA proxy - I'd looked
into this previously, but there was something about it that seemed
inelegant.

I guess I should have a play with both. 

-----Original Message-----
From: lvs-users-bounces at linuxvirtualserver.org
[mailto:lvs-users-bounces at linuxvirtualserver.org] On Behalf Of Malcolm
Turnbull
Sent: 28 October 2013 20:50
To: LinuxVirtualServer.org users mailing list.
Subject: Re: [lvs-users] SNAT with LVS

Nick,

The SNAT support should work fine for all recent v3 kernels... or 2.6.36
(only).

However I would expect that most people use HAProxy for SNAT mode as long as
its not a huge number of concurrent connections 100K+.
We use LVS for DR or NAT and HAProxy for SNAT mode on Loadbalancer.org
appliances and have found it very fast and reliable.
Pretty sure Barracuda does the same as us and Kemp use LVS + a proprietary
software proxy they bought ages ago from an old German load balancer vendor.



On 28 October 2013 19:29, Nick Calvert <nick.calvert at tagadab.com> wrote:
> Hi all,
>
> Doing some research to determine how SNAT might work with LVS and I 
> find lots of old talk involving kernel patches. Is this something that 
> is a bit more mainstream these days? Is anyone doing it with success? 
> I'm not being lazy, but would anyone care to summarize the
state-of-the-art for me?
> Thought this might be the best place.
>
> Cheers,
>
> Nick
>
>
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--
Regards,

Malcolm Turnbull.

Loadbalancer.org Ltd.
Phone: +44 (0)870 443 8779
http://www.loadbalancer.org/

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