26 Oct
2022
26 Oct
'22
4:34 p.m.
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
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Am Di., 25. Okt. 2022 um 23:03 Uhr schrieb H Yavari <hyavari(a)rocketmail.com
:
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 <
abalashov(a)evaristesys.com> 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
to the
sender!
the
sender!
On Oct 25, 2022, at 4:14 PM, H Yavari
<hyavari(a)rocketmail.com> 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 <
abalashov(a)evaristesys.com> wrote:
Hi,
Unfortunately, for a variety of architectural reasons, this is not
practical.
— Alex
> On Oct 25, 2022, at 12:43 PM, H Yavari <hyavari(a)rocketmail.com> 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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