[SR-Users] TCP stack is not doing load distribution among children for SIP

Daniel-Constantin Mierla miconda at gmail.com
Wed Mar 8 07:30:38 CET 2017

On 08/03/2017 01:36, Juha Heinanen wrote:
> Daniel-Constantin Mierla writes:
>> So, I expect kamailio wil reuse the connection between kamailio1 and
>> kamailio2. The tcp manager process selects the least loaded tcp worker
>> when a new connection is accepted, and the worker start consuming the
>> packets on it until there is nothing to be read on it. The reason behind
>> this approach is that a proxy is typically sending back a 100 trying or
>> some other provisional response while handling the request. If the
>> connection is very busy, so there are always packets to read, then
>> practically the selected tcp workers keeps processing the traffic and
>> never release the tcp connection back to the tcp manager.
> So, for example, if k2 is a presence server and k1 is forwarding
> subscribes/publish requests to it, only one process at k2 would be
> processing them since the tcp connection between k1 and k2 is reused?
Those were the observations described by the one opening this thread and
then I responded with why I think it happens so, but as I wrote, I
haven't really checked the source code yet.


Daniel-Constantin Mierla
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Kamailio Advanced Training - Mar 6-8 (Europe) and Mar 20-22 (USA) - www.asipto.com
Kamailio World Conference - May 8-10, 2017 - www.kamailioworld.com

More information about the sr-users mailing list