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List: serusers
Subject: Re: [SR-Users] Create new listener on the fly
From: Carsten Bock <carsten () ng-voice ! com>
Date: 2022-10-27 15:20:14
Message-ID: CAOCjumGuXGrYXefeWboKp2vkxfNSnZ1r3MRm1wTi8=3s6kdQAw () mail ! gmail ! com
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Hi Hossein,
due to those limitations, we are using a custom, in-house solution for our
MNO/MVNO deployments, which we haven't released as open-source (yet).
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 Mi., 26. Okt. 2022 um 18:29 Uhr schrieb H Yavari <hyavari@rocketmail.com
>:
> 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)
>
> BR
> Hossein
>
>
> On Wednesday, October 26, 2022 at 06:37:33 AM PDT, Carsten Bock <
> carsten@ng-voice.com> 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 <
> hyavari@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@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
>
> > On Oct 25, 2022, at 4:14 PM, H Yavari <hyavari@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@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@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
> >
> > > __________________________________________________________
> > > Kamailio - Users Mailing List - Non Commercial Discussions
> > > sr-users@lists.kamailio.org
> > > Important: keep the mailing list in the recipients, do not reply only
> to the sender!
> > > Edit mailing list options or unsubscribe:
> > > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
> >
> > --
> > Alex Balashov | Principal | Evariste Systems LLC
> >
> > Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
> > Web: http://www.evaristesys.com/, http://www.csrpswitch.com/
> >
> >
> > __________________________________________________________
> > Kamailio - Users Mailing List - Non Commercial Discussions
> > sr-users@lists.kamailio.org
> > Important: keep the mailing list in the recipients, do not reply only to
> the sender!
> > Edit mailing list options or unsubscribe:
> > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>
> >
> > __________________________________________________________
> > Kamailio - Users Mailing List - Non Commercial Discussions
> > sr-users@lists.kamailio.org
> > Important: keep the mailing list in the recipients, do not reply only to
> the sender!
> > Edit mailing list options or unsubscribe:
> > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>
> --
> Alex Balashov | Principal | Evariste Systems LLC
>
> Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
> Web: http://www.evaristesys.com/, http://www.csrpswitch.com/
>
>
> __________________________________________________________
> Kamailio - Users Mailing List - Non Commercial Discussions
> sr-users@lists.kamailio.org
> Important: keep the mailing list in the recipients, do not reply only to
> the sender!
> Edit mailing list options or unsubscribe:
> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
> __________________________________________________________
> Kamailio - Users Mailing List - Non Commercial Discussions
> sr-users@lists.kamailio.org
> Important: keep the mailing list in the recipients, do not reply only to
> the sender!
> Edit mailing list options or unsubscribe:
> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>
> __________________________________________________________
> Kamailio - Users Mailing List - Non Commercial Discussions
> sr-users@lists.kamailio.org
> Important: keep the mailing list in the recipients, do not reply only to
> the sender!
> Edit mailing list options or unsubscribe:
> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
> __________________________________________________________
> Kamailio - Users Mailing List - Non Commercial Discussions
> sr-users@lists.kamailio.org
> Important: keep the mailing list in the recipients, do not reply only to
> the sender!
> Edit mailing list options or unsubscribe:
> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>
[Attachment #5 (text/html)]
<div dir="ltr"><span style="color:rgb(38,40,42);font-family:"Helvetica \
Neue",Helvetica,Arial,sans-serif;font-size:13px">Hi </span><span \
style="color:rgb(38,40,42);font-size:13px;font-family:Helvetica,Arial,sans-serif">Hossein,</span><div><font \
color="#26282a" face="Helvetica, Arial, sans-serif"><br></font></div><div><font \
color="#26282a" face="Helvetica, Arial, sans-serif">due to those limitations, we are \
using a custom, in-house solution for our MNO/MVNO deployments, which we haven't \
released as open-source (yet).</font></div><div><font color="#26282a" \
face="Helvetica, Arial, sans-serif"><br></font></div><div><font color="#26282a" \
face="Helvetica, Arial, sans-serif">Thanks,</font></div><div><font color="#26282a" \
face="Helvetica, Arial, sans-serif">Carsten</font></div><div><font color="#26282a" \
face="Helvetica, Arial, sans-serif"><br clear="all"></font><div><div dir="ltr" \
class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div \
dir="ltr"><div dir="ltr"><div dir="ltr">--</div><div dir="ltr">Carsten Bock I CTO \
& Founder</div><div dir="ltr"><br><p style="margin:0cm 0cm \
0.0001pt;background-image:initial;background-position:initial;background-repeat:initial"><span \
lang="EN-US" style="color:black">ng-voice GmbH</span><span lang="EN-US" \
style="color:rgb(0,112,192)"><u></u><u></u></span></p><p \
style="margin-right:0cm;margin-bottom:12pt;margin-left:0cm;background-image:initial;background-position:initial;background-repeat:initial"><span \
lang="EN-US" style="color:black">Trostbrücke 1 I 20457 Hamburg I Germany<br>T +49 \
179 2021244 I <a href="http://www.ng-voice.com/" style="color:rgb(17,85,204)" \
target="_blank"><span \
style="color:black">www.ng-voice.com</span></a><u></u><u></u></span></p><p \
style="margin:0cm 0cm \
0.0001pt;background-image:initial;background-position:initial;background-repeat:initial"><span \
lang="EN-US" style="color:black">Registry Office at Local Court Hamburg, HRB \
120189<br>Managing Directors: Dr. David Bachmann, Carsten \
Bock</span></p></div></div></div></div></div></div></div><br></div></div><br><div \
class="gmail_quote"><div dir="ltr" class="gmail_attr">Am Mi., 26. Okt. 2022 um 18:29 \
Uhr schrieb H Yavari <<a \
href="mailto:hyavari@rocketmail.com">hyavari@rocketmail.com</a>>:<br></div><blockquote \
class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid \
rgb(204,204,204);padding-left:1ex"><div><div style="font-family:"Helvetica \
Neue",Helvetica,Arial,sans-serif;font-size:13px"><div></div> <div dir="ltr">Hi \
Casrten,</div><div dir="ltr"><br></div><div dir="ltr">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)</div><div dir="ltr"><br></div><div dir="ltr">BR</div><div \
dir="ltr">Hossein</div><div dir="ltr"><br></div><div><br></div>
</div><div id="m_-2817497564853573475ydpf5bbf1dfyahoo_quoted_7214463771">
<div style="font-family:"Helvetica \
Neue",Helvetica,Arial,sans-serif;font-size:13px;color:rgb(38,40,42)">
<div>
On Wednesday, October 26, 2022 at 06:37:33 AM PDT, Carsten Bock \
<<a href="mailto:carsten@ng-voice.com" \
target="_blank">carsten@ng-voice.com</a>> wrote: </div>
<div><br></div>
<div><br></div>
<div><div \
id="m_-2817497564853573475ydpf5bbf1dfyiv9819291676"><div><div dir="ltr">Hi <span \
style="font-family:Helvetica,Arial,sans-serif;font-size:13px">Hossein,</span><div><font \
face="Helvetica Neue, Helvetica, Arial, sans-serif"><br \
clear="none"></font></div><div><font face="Helvetica Neue, Helvetica, Arial, \
sans-serif">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.</font></div><div><font \
face="Helvetica Neue, Helvetica, Arial, sans-serif"><br \
clear="none"></font></div><div><font face="Helvetica Neue, Helvetica, Arial, \
sans-serif">Thanks,</font></div><div><font face="Helvetica Neue, Helvetica, Arial, \
sans-serif">Carsten<br clear="all"></font><div><div dir="ltr"><div \
dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr">--</div><div \
dir="ltr">Carsten Bock I CTO & Founder</div><div dir="ltr"><br clear="none"><p \
style="margin:0cm 0cm \
0.0001pt;background-image:initial;background-position:initial;background-repeat:initial"><span \
lang="EN-US" style="color:black">ng-voice GmbH</span><span lang="EN-US" \
style="color:rgb(0,112,192)"><u></u><u></u></span></p><p \
style="margin-right:0cm;margin-bottom:12pt;margin-left:0cm;background-image:initial;background-position:initial;background-repeat:initial"><span \
lang="EN-US" style="color:black">Trostbrücke 1 I 20457 Hamburg I Germany<br \
clear="none">T +49 179 2021244 I <a shape="rect" href="http://www.ng-voice.com/" \
style="color:rgb(17,85,204)" rel="nofollow" target="_blank"><span \
style="color:black">www.ng-voice.com</span></a><u></u><u></u></span></p><p \
style="margin:0cm 0cm \
0.0001pt;background-image:initial;background-position:initial;background-repeat:initial"><span \
lang="EN-US" style="color:black">Registry Office at Local Court Hamburg, HRB \
120189<br clear="none">Managing Directors: Dr. David Bachmann, Carsten \
Bock</span></p></div></div></div></div></div></div></div><br \
clear="none"></div></div><br clear="none"><div><div dir="ltr">Am Di., 25. Okt. 2022 \
um 23:03 Uhr schrieb H Yavari <<a shape="rect" \
href="mailto:hyavari@rocketmail.com" rel="nofollow" \
target="_blank">hyavari@rocketmail.com</a>>:<br clear="none"></div><blockquote \
style="margin:0px 0px 0px 0.8ex;border-left:1px solid \
rgb(204,204,204);padding-left:1ex"><div \
id="m_-2817497564853573475ydpf5bbf1dfyiv9819291676yqt63739"><div><div \
style="font-family:Helvetica,Arial,sans-serif;font-size:13px"><div></div> <div \
dir="ltr">Thanks Alex for your elaboration; you are right. </div><div dir="ltr">This \
is the reason that the current ims_ipsec module will create a bunch of listeners at \
startup that looks not efficient.</div><div dir="ltr"><br clear="none"></div><div \
dir="ltr"><br clear="none"></div><div dir="ltr">Regards,</div><div \
dir="ltr">Hossein</div><div dir="ltr"><br clear="none"></div><div><br \
clear="none"></div>
</div><div id="m_-2817497564853573475ydpf5bbf1dfyiv9819291676m_-8847287612210934442ydpc644defbyahoo_quoted_7673275820">
<div style="font-family:Helvetica,Arial,sans-serif;font-size:13px;color:rgb(38,40,42)">
<div>
On Tuesday, October 25, 2022 at 01:28:38 PM PDT, Alex Balashov \
<<a shape="rect" href="mailto:abalashov@evaristesys.com" rel="nofollow" \
target="_blank">abalashov@evaristesys.com</a>> wrote: </div>
<div><br clear="none"></div>
<div><br clear="none"></div>
<div><div dir="ltr">Well, no, it just stems from some knowledge of \
Kamailio's multiprocess architecture.<br clear="none"><br clear="none">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"). <br clear="none"><br \
clear="none">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. <br clear="none"><br clear="none">— Alex<br \
clear="none"><br clear="none">> On Oct 25, 2022, at 4:14 PM, H Yavari <<a \
shape="rect" href="mailto:hyavari@rocketmail.com" rel="nofollow" \
target="_blank">hyavari@rocketmail.com</a>> wrote:<br clear="none">> <br \
clear="none">> Thanks Alex.<br clear="none">> Is there any document or material \
that tells more about those reasons?<br clear="none">> <br clear="none">> <br \
clear="none">> Regards,<br clear="none">> Hossein<br clear="none">> <br \
clear="none">> <br clear="none">> On Tuesday, October 25, 2022 at 01:00:18 PM \
PDT, Alex Balashov <<a shape="rect" href="mailto:abalashov@evaristesys.com" \
rel="nofollow" target="_blank">abalashov@evaristesys.com</a>> wrote:<br \
clear="none">> <br clear="none">> <br clear="none">> Hi,<br \
clear="none">> <br clear="none">> Unfortunately, for a variety of architectural \
reasons, this is not practical. <br clear="none">> <br clear="none">> — \
Alex<br clear="none">> <br clear="none">> > On Oct 25, 2022, at 12:43 PM, H \
Yavari <<a shape="rect" href="mailto:hyavari@rocketmail.com" rel="nofollow" \
target="_blank">hyavari@rocketmail.com</a>> wrote:<br clear="none">> > <br \
clear="none">> > Hi Kamailio community,<br clear="none">> > <br \
clear="none">> > <br clear="none">> > 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.<br \
clear="none">> > This case might be very rare, but it is always good to hear \
community ideas. <br clear="none">> > <br clear="none">> > Thank you.<br \
clear="none">> > <br clear="none">> > Regards,<br clear="none">> > \
Hossein<br clear="none">> <br clear="none">> > \
__________________________________________________________<br clear="none">> > \
Kamailio - Users Mailing List - Non Commercial Discussions<br clear="none">> > \
<a shape="rect" href="mailto:sr-users@lists.kamailio.org" rel="nofollow" \
target="_blank">sr-users@lists.kamailio.org</a><br clear="none">> > Important: \
keep the mailing list in the recipients, do not reply only to the sender!<br \
clear="none">> > Edit mailing list options or unsubscribe:<br clear="none">> \
> <a shape="rect" \
href="https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users" rel="nofollow" \
target="_blank">https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users</a><br \
clear="none">> <br clear="none">> -- <br clear="none">> Alex Balashov | \
Principal | Evariste Systems LLC<br clear="none">> <br clear="none">> Tel: \
+1-706-510-6800 / +1-800-250-5920 (toll-free)<br clear="none">> Web: <a \
shape="rect" href="http://www.evaristesys.com/," rel="nofollow" \
target="_blank">http://www.evaristesys.com/, </a><a shape="rect" \
href="http://www.csrpswitch.com/" rel="nofollow" \
target="_blank">http://www.csrpswitch.com/</a><br clear="none">> <br \
clear="none">> <br clear="none">> \
__________________________________________________________<br clear="none">> \
Kamailio - Users Mailing List - Non Commercial Discussions<br clear="none">> <a \
shape="rect" href="mailto:sr-users@lists.kamailio.org" rel="nofollow" \
target="_blank">sr-users@lists.kamailio.org</a><br clear="none">> Important: keep \
the mailing list in the recipients, do not reply only to the sender!<br \
clear="none">> Edit mailing list options or unsubscribe:<br clear="none">> <a \
shape="rect" href="https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users" \
rel="nofollow" target="_blank">https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users</a><div \
id="m_-2817497564853573475ydpf5bbf1dfyiv9819291676m_-8847287612210934442ydpc644defbyqtfd01076"><br \
clear="none">> <br clear="none">> \
__________________________________________________________<br clear="none">> \
Kamailio - Users Mailing List - Non Commercial Discussions<br clear="none">> <a \
shape="rect" href="mailto:sr-users@lists.kamailio.org" rel="nofollow" \
target="_blank">sr-users@lists.kamailio.org</a><br clear="none">> Important: keep \
the mailing list in the recipients, do not reply only to the sender!<br \
clear="none">> Edit mailing list options or unsubscribe:<br clear="none">> <a \
shape="rect" href="https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users" \
rel="nofollow" target="_blank">https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users</a><br \
clear="none"><br clear="none">-- <br clear="none">Alex Balashov | Principal | \
Evariste Systems LLC<br clear="none"><br clear="none">Tel: +1-706-510-6800 / \
+1-800-250-5920 (toll-free)<br clear="none">Web: <a shape="rect" \
href="http://www.evaristesys.com/," rel="nofollow" \
target="_blank">http://www.evaristesys.com/, </a><a shape="rect" \
href="http://www.csrpswitch.com/" rel="nofollow" \
target="_blank">http://www.csrpswitch.com/</a><br clear="none"><br clear="none"><br \
clear="none">__________________________________________________________<br \
clear="none">Kamailio - Users Mailing List - Non Commercial Discussions<br \
clear="none"><a shape="rect" href="mailto:sr-users@lists.kamailio.org" rel="nofollow" \
target="_blank">sr-users@lists.kamailio.org</a><br clear="none">Important: keep the \
mailing list in the recipients, do not reply only to the sender!<br clear="none">Edit \
mailing list options or unsubscribe:<br clear="none"><a shape="rect" \
href="https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users" rel="nofollow" \
target="_blank">https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users</a><br \
clear="none"></div></div></div> </div>
</div></div></div>__________________________________________________________<br \
clear="none"> Kamailio - Users Mailing List - Non Commercial Discussions<br \
clear="none"> <a shape="rect" href="mailto:sr-users@lists.kamailio.org" \
rel="nofollow" target="_blank">sr-users@lists.kamailio.org</a><br \
clear="none">
Important: keep the mailing list in the recipients, do not reply only to the \
sender!<br clear="none"> Edit mailing list options or unsubscribe:<br clear="none">
<a shape="rect" href="https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users" \
rel="nofollow" target="_blank">https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users</a><br \
clear="none"> </blockquote></div>
</div></div><div id="m_-2817497564853573475ydpf5bbf1dfyqt92172">__________________________________________________________<br \
clear="none">Kamailio - Users Mailing List - Non Commercial Discussions<br \
clear="none"><a shape="rect" href="mailto:sr-users@lists.kamailio.org" rel="nofollow" \
target="_blank">sr-users@lists.kamailio.org</a><br clear="none">Important: keep the \
mailing list in the recipients, do not reply only to the sender!<br clear="none">Edit \
mailing list options or unsubscribe:<br clear="none"><a shape="rect" \
href="https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users" rel="nofollow" \
target="_blank">https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users</a><br \
clear="none"></div></div> </div>
</div></div>__________________________________________________________<br>
Kamailio - Users Mailing List - Non Commercial Discussions<br>
<a href="mailto:sr-users@lists.kamailio.org" \
target="_blank">sr-users@lists.kamailio.org</a><br>
Important: keep the mailing list in the recipients, do not reply only to the \
sender!<br> Edit mailing list options or unsubscribe:<br>
<a href="https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users" \
rel="noreferrer" target="_blank">https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users</a><br>
</blockquote></div>
__________________________________________________________
Kamailio - Users Mailing List - Non Commercial Discussions
sr-users@lists.kamailio.org
Important: keep the mailing list in the recipients, do not reply only to the sender!
Edit mailing list options or unsubscribe:
https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
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