[Freeswitch-users] Freeswitch optimization as a registrar

[David Sugar]

Well, there are worse virus's one could be infected with, I suppose ;).

Actually recently I had been surviving focusing on secure VoIP and
wireless...

Giovanni Maruzzelli wrote:
> Hi David,
> 
> very happy to read you on the FS list!
> 
> We met in 2001 at OSCon San Diego, where you "infected" me with the
> telephony virus :-).
> 
> You did great work with the Bayonne project, really breaking new ground.
> 
> Thank you,
> 
> happy hacking,
> 
> happy new year!!!!
> 
> 
> 
> Sincerely,
> 
> Giovanni Maruzzelli
> =========================================
> Company : Celliax
> Website: www.celliax.org
> Address : via Pierlombardo 9, 20135 Milano
> Country/Territory : Italy
> Business Email: gmaruzz at celliax dot org
> Cell : 39-347-2665618
> Fax : 39-02-87390039
> 
> 
> 
> 
> On Tue, Dec 30, 2008 at 2:07 PM, David Sugar <dyfet at gnutelephony.org> wrote:
>> You actually have potentially ~1320 effective "SIP transactions" per
>> second to support 40000 registered ua's with a 60s refresh.  This is
>> because the ua sends it's registration refresh unauthenticated.  The
>> registrar will then push back an authentication challenge request so the
>> ua can prove its identity, at which point the ua then repeats the same
>> transaction, but with authentication credentials attached.
>>
>> rod wrote:
>>> Hi all,
>>>
>>> I know that freeswitch has not been designed as a pure sip
>>> proxy/registrar, but I'm wondering how many subscribers could be handled
>>> by FS.
>>>
>>> I setup the following test environment:
>>>     - Kamailio 1.4.2 as the registrar
>>>     - all invite requests are flowing through FS, even for a call
>>> between 2 registered subscribers. Many reasons for this: the calls CDR
>>> are centralized in the same format, I can easily add a billing ID to a
>>> call, proceed to recording, set the caller as anonymous if requested...
>>>     - FS is used also as a SBC
>>>
>>> There is still a lot of work to do, mainly on the call forwarding
>>> feature and this is why I'm wondering (simply out of curiosity) what
>>> could have been achieved using only FS (easier to setup when only one
>>> equipment is involved :) ).
>>>
>>> I'd like to register 40 000 subscribers (if each user registers every
>>> 60s, you have approx 670 registration per second, this setup is working
>>> on Kamailio).
>>>
>>> I did the following to increase FS performance regarding registration:
>>>     - put the directory containing users in a RAMDISK
>>>     - put the db directory in a RAMDISK
>>>
>>> with this I was able to reach 190 registration per second (50 without
>>> the ramdisk) but for one SIP account, not too useful :p (for your
>>> information I see a huge improvement when switching from 1.0.1 phoenix:
>>> 150cps to FS svn 105xx: 190)
>>> When trying with 25000 SIP accounts, I got no more than 30cps.
>>>
>>> Then I tried to use the odbc mysql for registration, using this I was
>>> able to achieve 50cps. The mysql DB is not in a RAMDISK. For all these
>>> tests, the presence support has been disabled.
>>>
>>> As the IO performance seems to be a bottleneck, I'd like to know if
>>> there is a way to store the registration in memory only without database
>>> persistency.
>>>
>>> This thread is there only to share tips, not to complain about FS poor
>>> performance as a SIP registrar when compared to Kamailio. If I compare
>>> FS to a commercial SBC I'm using in production, I have to say that FS is
>>> really a great piece of software (lacks only statistics module, snmp,
>>> and heartbeat redundancy for failover).
>>>
>>> regards,
>>> rod
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> _______________________________________________
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>>
>>
> 
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