[Serusers] Load Balancing via UltraMonkey/ldirectord

[Greger V. Teigre]

:-) Yes, layer 7 switch is of course nice. But then again, you need to make 
sure that you can price your services where people will buy them...

I wonder whether it is possible to gather some people interested in this and 
get something started on the development side. AFAIK, LVS struggles with 
other UDP services too, so a ipvs UDP content analyzer would probably be of 
interest.   I looked at the source code and I think the most difficult thing 
would be to extend the ipvs framework to allow a module to peak into the 
packet (and not only the header). I don't know what kind of performance 
penalties you get either.

I have seen several people being willing to sponsor development. We could 
hire somebody at http://www.rentacoder.com/ ;-)
g-)

Matt Schulte wrote:
> Yah I noticed the other post after I posted mine, I don't see how it
> would easily be possible to address the sticky issue. It would require
> making a SIP aware proxy of sorts, which is a bit out of my abilities.
> Has anyone been able to address this issue? Of course a layer7 switch
> would do wonders and eliminate the need for all this, but who has that
> money laying around :D
>
> I've done a little research (google) and noticed people mentioning it
> when talking about LVS, one guy said he was going to write a module
> but posted nothing more. That would be pretty slick.
>
> Matt
>
> -----Original Message-----
> From: Greger V. Teigre [mailto:greger at teigre.com]
> Sent: Monday, April 11, 2005 3:04 AM
> To: Matt Schulte; serusers at lists.iptel.org
> Subject: Re: [Serusers] Load Balancing via UltraMonkey/ldirectord
>
>
> If you see another thread (using the rather intuitive subject: Re:
> [Serusers] more usrloc synchronization), you will see discussions on
> using
> LVS in general. AFAIK, which high availability solution to use for
> LVS, is
> more based on your personal preferences, UltraMonkey is probably a
> safe choice.  Anyway, you will need to address the "stickiness" issue.
> g-)
>
> Matt Schulte wrote:
>> Has anyone attempted to load balance SER using
>> Ultramonkey/ldirectord?
>
>> I've noticed all it does is pretty much NAT and send requests
>> accordingly, the trick I guess would be the NAT part. If the SIP
>> headers = myself, would there really be any issues? One problem I can
>> foresee is the possibility that loose routing would hit the wrong
>> server. Just wanted to ask around before I wasted time trying it out
>> for myself :-) Thanks
>>
>> Matt
>>
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