Hi Casrten,
Thanks for the comment. I know you provide IMS, have you contributed to
Kamailio IPsec, or do you have something in-house solution for this part? (I
hope this question will not be off-topic)
BRHossein
On Wednesday, October 26, 2022 at 06:37:33 AM PDT, Carsten Bock
<[email protected]> wrote:
Hi Hossein,
yes, you are right, it is in-efficient. It may be fine for a private
network/PoC/Lab/ or anything else small, but it will not really work for a
commercial network - for that you need something different.
Thanks,Carsten
--Carsten Bock I CTO & Founder
ng-voice GmbH
Trostbrücke 1 I 20457 Hamburg I Germany
T +49 179 2021244 I www.ng-voice.com
Registry Office at Local Court Hamburg, HRB 120189
Managing Directors: Dr. David Bachmann, Carsten Bock
Am Di., 25. Okt. 2022 um 23:03 Uhr schrieb H Yavari <[email protected]>:
Thanks Alex for your elaboration; you are right. This is the reason that the
current ims_ipsec module will create a bunch of listeners at startup that looks
not efficient.
Regards,Hossein
On Tuesday, October 25, 2022 at 01:28:38 PM PDT, Alex Balashov
<[email protected]> wrote:
Well, no, it just stems from some knowledge of Kamailio’s multiprocess
architecture.
Kamailio uses a static pool of preforked SIP worker processes, and this is
initialised once upon startup. These child processes are spawned for every
listener, and communicate and share data using SysV IPC and shared memory. The
shared memory pool is likewise initialised upon startup, as is the small
fixed-size area of private memory associated with each other worker process
(“package memory”).
While perhaps not strictly impossible to alter, this setup isn’t particularly
amenable to the dynamic creation and destruction of listeners, or the
additional child processes they beget. The child processes need to be forked on
startup, before their heap is laden with runtime baggage. All this is
relatively expensive to initialise.
— Alex
> On Oct 25, 2022, at 4:14 PM, H Yavari <[email protected]> wrote:
>
> Thanks Alex.
> Is there any document or material that tells more about those reasons?
>
>
> Regards,
> Hossein
>
>
> On Tuesday, October 25, 2022 at 01:00:18 PM PDT, Alex Balashov
> <[email protected]> wrote:
>
>
> Hi,
>
> Unfortunately, for a variety of architectural reasons, this is not practical.
>
> — Alex
>
> > On Oct 25, 2022, at 12:43 PM, H Yavari <[email protected]> wrote:
> >
> > Hi Kamailio community,
> >
> >
> > I am running an IPsec server beside Kamailio, so I am interested to know if
> > there is any method to create a SIP listener on a specific port on the fly.
> > I mean, when I create the IPsec SAs through the IPsec server, I ask
> > Kamailio to create a listener/handler for that port too.
> > This case might be very rare, but it is always good to hear community
> > ideas.
> >
> > Thank you.
> >
> > Regards,
> > Hossein
>
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>
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