[OpenSIPS-Users] LB Re: [OpenSIPS-Business] [OpenSIPS-Devel] OpenSIPS at Amoocon (former AsteriskTag)
Bogdan-Andrei Iancu
bogdan at voice-system.ro
Thu May 7 15:55:35 CEST 2009
Hi Stefan,
Stefan Sayer wrote:
> Hi again,
>
>>>>> Covered topics are : Load-balancing (using the new load-balancer
>>>>> module) , Presence (deploy presence) and clustering (OpenSIPS +
>>>>> PBX integration):
>>>>>
>>>>> (1) Load balancing Workshop:
>>>>> http://www.amoocon.de/talks/8
>>
>> I must say I have not looked into the code but only at
>> http://www.opensips.org/pub/events/2009-05-04_Amoocon_Rostock/OpenSIPS_LoadBalancing.pdf
>>
>> but I am not convinced: For load balancing that could be done
>> statelessly wrt SIP dialog you are keeping dialog state at the LB.
>>
>> If you have control over the media servers (as you do with
>> freeswitch/asterisk/yate you mentioned) the same could be achieved
>> much simpler by periodically reporting current load (e.g. in extra
>> header to OPTIONS response or any other SIP message) from the media
>> servers to LB and keeping that information as soft state there.
>>
> sorry this sounds so negative which it wasn't meant to be... rather I
> was wondering about whether load_balancer module could be used in
> another mode without dialog with alternate source of load information.
I got your point :) and as said in the prev email, it make perfect sense
what you say - see my comments in that email.
Regards,
Bogdan
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