[OpenSIPS-Users] Use of socket_info and local_contact columns in the active_watcher table

[Bogdan-Andrei Iancu]

Hi Surya,

Not sure if you can use a HTTP LB for SIP.

Nevertheless, OpenSIPS (being a multi-purpose SIP server) can act both 
as a Presence Server/Agent and as a Load Balancer.

You can have a from OpenSIPS doing dispatching to a set of OpenSIPS 
acting as Presence Servers. As you have full control over the LB logic, 
you actually can do more than LB, you can actually do kind of clustering 
of presence entities, so all traffic relevant to a presence entity (all 
its PUBLISHs and all SUBSCRIBEs to it) will hit the same presence 
server. So there will be no need to actually share anything between the 
presence servers.

Regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com

On 29.08.2015 03:18, surya wrote:
> surya wrote
>> Hi Bogdan,
>>
>> Thanks for the clarification on the columns but I doubt I understood
>> correctly. Does local_contact goes into contact header and which header
>> uses socket_info? My doubt is because I see same address in both columns.
>> May be I can look more into the code. But still, as you mentioned these
>> values are not retrieved from the tables so these ones are not used as in
>> table. Does this mean values from the current server processing the
>> requests are used, meaning it's IP.
>>
>> We haven't yet done the deployment of multi presence but it will be a load
>> balancer in front which will disperse the requests to another server on
>> some threshold load on first server. Is there any guideline about how to
>> use opensips in HA that can be helpful.
>>
>>
>> Thanks,
>> Surya
> Regarding multi presenence... I was thinking about HTTP load balancing but
> frankly speaking I do not yet know about sip load balancing. I still need to
> look at that side but surely we are going to do that.
> Can we use opensips load balancer for presence server?
>
>
>
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