[Serusers] question re SER capacity and redirecting using rURI contents.

[Greger V. Teigre]

Tom Meadows wrote:
> hi-
>
> I am looking into using SER as part of our test infrastructure for a 
> SIP-based messaging system and have 2 questions: one about SER 
> capacity, and one about the best way to configure it. Firstly though, 
> the setup:
>
> We use a script-driven inhouse SIP/RTP test tool in association with 
> our messaging system which can either send or accept SIP invitations 
> and process the associated RTP streams (eg act as UAS or UAC). This 
> tool has a capacity of ~125 ports.
>
> We need the messaging system to create around 800 concurrent SIP/RTP 
> sessions (dial out), and our system allows only one outbound sip 
> gateway. I therefore need to configure a sip redirector which can take 
> incoming SIP invites from the messaging system and redirect them to 
> one of 7 test tool clients (125x7 > 800).
>
> First question, re capacity - the 800 concurrent sessions will be 
> staggered and spread over 2 minutes. This works out at about 7 SIP 
> invites per second. Should SER be able to handle this (proposed SER 
> box =2.8Ghz, 512mB RAM).
by far... Such a non-register, non-DB setup will (if you don't proxy 
RTP) handle more like 4-digit number of CPS :-D
>
> Secondly, the Request-URIs of the SIP invites sent by the messaging 
> system are structured, and it is easy to tell from the Request-URI 
> which client machine we want this invite to be redirected to. Eg:
>
> 1000000000-1000000999 at dom.com -> should go to client 1
> 1000001000-1000001999 at dom.com -> should go to client 2
> 1000002000-1000002999 at dom.com -> should go to client 3
> 1000003000-1000003999 at dom.com -> should go to client 4
> etc
>
> Rather than registering all these accounts on SER, is there an 
> alternative way I can get SER to redirect various SIP invites using 
> wildcards to check the structure of their r-URI?
> eg
> 1000000... at dom.com redirects to A
> 1000001... at dom.com redirects to B
> 1000001... at dom.com redirects to C
> etc.
>
Yes:
if(uri~="sip:1000000.*@.*") {
  rewritehostport("myserver","5060");
}
etc
g-)
> Thanks for advice.
>
> Tom
>
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