[SR-Users] Best practice for Kamailio "cluster" front for many TLS connections
Daniel-Constantin Mierla
miconda at gmail.com
Tue Sep 14 14:41:16 CEST 2021
Hello,
for the records, there is a minimal config example in the repo:
*
https://github.com/kamailio/kamailio/blob/master/misc/examples/mixed/kamailio-minimal-anycast.cfg
Maybe it is useful for a starting point, although I think it targets use
of UDP.
Cheers,
Daniel
On 13.09.21 08:46, Markus Monka wrote:
> Hi,
>
> we did some testing with ipvs but unfortunately where not been able to
> pursue it further.
> Today we use NAPTR/SRV Records for balancing to several TCP Loadbalancers.
>
> Best Regards
> Markus
>
> On Mon, Sep 13, 2021 at 8:19 AM Henning Westerholt <hw at skalatan.de
> <mailto:hw at skalatan.de>> wrote:
>
> Hello,
>
>
>
> I would suggest having a look at the presentation from Armen, and
> probably others from past KamailioWorld:
>
>
>
> https://www.youtube.com/c/KamailioWorld/search?query=anycast
> <https://www.youtube.com/c/KamailioWorld/search?query=anycast>
>
>
>
> Cheers,
>
>
>
> Henning
>
>
>
> --
>
> Henning Westerholt – https://skalatan.de/blog/
> <https://skalatan.de/blog/>
>
> Kamailio services – https://gilawa.com <https://gilawa.com/>
>
>
>
> *From:* sr-users <sr-users-bounces at lists.kamailio.org
> <mailto:sr-users-bounces at lists.kamailio.org>> *On Behalf Of
> *Angelo Sipper
> *Sent:* Sunday, September 12, 2021 11:44 AM
> *To:* Kamailio (SER) - Users Mailing List
> <sr-users at lists.kamailio.org <mailto:sr-users at lists.kamailio.org>>
> *Subject:* Re: [SR-Users] Best practice for Kamailio "cluster"
> front for many TLS connections
>
>
>
> Sorry Fred,
>
>
>
> I believe, my question was wrongly asked.
>
> The correct question would be, Is there a guide for Kamailio and
> Anycast that anyone could point me to read?
>
>
>
> But, my main question is about the DMQ on two Kamailio nodes and
> what happens in case one of them reloads. Are the dialogs and
> useloc synced automatically on reload? Is there a template config
> to read about this?
>
>
>
> Kind Regards,
>
> Angelo
>
>
>
> Στις Κυρ, 12 Σεπ 2021 στις 1:30 π.μ., ο/η Fred Posner
> <fred at palner.com <mailto:fred at palner.com>> έγραψε:
>
> To be clear here, this is the kamailio list and you’ve been
> referencing opensips documentation.
>
> -- Fred
>
> (via mobile)
>
> Matrix: @fred:matrix.lod.com <http://matrix.lod.com>
>
>
>
>
>
> On Sep 11, 2021, at 5:46 PM, Angelo Sipper
> <sippro97 at gmail.com <mailto:sippro97 at gmail.com>> wrote:
>
>
>
> HI,
>
>
>
> Thanks for all the suggestions. I will look into
> glb-director and I will come back in case I need more help.
>
> As I understand for same DC and two Kamailio's on
> active/standby with keepalived is fine, at least for the
> load we are expecting now.
>
>
>
> Now one question on DMQ. Up today with the one only
> Kamailio we are using the dialog db_mode 1 to have all
> dialogs in db, in order not to loose the dialogs in case
> of reload. When we will have 2 Kamailio's with DMQ sync
> for all dialogs, in case of one Kamailios reloads it will
> get all active dialogs from the other Kamailio without the
> need to have the DB to handle this and also delay the
> system. Is this the correct approach?
>
>
>
> Last, do you know any updated doc for Anycast - Kamailio
> like the one here for the older version 2.4 ?
>
> https://blog.opensips.org/2018/03/21/full-anycast-support-in-opensips-2-4/
> <https://blog.opensips.org/2018/03/21/full-anycast-support-in-opensips-2-4/>
>
>
>
> Kind Regards,
>
> Angelo
>
>
>
>
>
> Στις Σάβ, 11 Σεπ 2021 στις 11:03 μ.μ., ο/η Henning
> Westerholt <hw at skalatan.de <mailto:hw at skalatan.de>> έγραψε:
>
> Hello Angelo,
>
>
>
> it is possible to use Kamailio with an anycast setup,
> there are two talks in the last years KamailioWorld
> conference about more details.
>
>
>
> But if we are only talking about several thousand
> clients, it’s not needed for a start. Its certainly
> possible to operate this just with one front-end
> Kamailio in an activate/passive setup, many people do
> this.
>
> E.g., look to this (rather old) performance tests,
> 1.000.000 contacts with TLS on one server
> http://sip-router.org/wiki/performance/v3.0-capacity
> <http://sip-router.org/wiki/performance/v3.0-capacity>
>
>
>
> Kamailio has no cluster module, you probably want to
> investigate the DMQ module which offers clustering
> capabilities.
>
>
>
> Cheers,
>
>
>
> Henning
>
>
>
>
>
> --
>
> Henning Westerholt – https://skalatan.de/blog/
> <https://skalatan.de/blog/>
>
> Kamailio services – https://gilawa.com
> <https://gilawa.com/>
>
>
>
> *From:* sr-users <sr-users-bounces at lists.kamailio.org
> <mailto:sr-users-bounces at lists.kamailio.org>> *On
> Behalf Of *Angelo Sipper
> *Sent:* Saturday, September 11, 2021 8:52 PM
> *To:* Kamailio (SER) - Users Mailing List
> <sr-users at lists.kamailio.org
> <mailto:sr-users at lists.kamailio.org>>
> *Subject:* Re: [SR-Users] Best practice for Kamailio
> "cluster" front for many TLS connections
>
>
>
> Hi Fred,
>
>
>
> Thanks for the suggestions.
>
> I have been looking to all these presentations mostly
> from Rasvan but, he mostly suggesting clusterer module
> combined with anycast which I cannot locate on current
> version 5.x. Can you help me on what is the
> replacement for this?
>
>
>
> Kind Regards,
>
> Angelo
>
>
>
> Στις Σάβ, 11 Σεπ 2021 στις 6:04 μ.μ., ο/η Fred Posner
> <fred at palner.com <mailto:fred at palner.com>> έγραψε:
>
> On 9/11/21 10:11 AM, Angelo Sipper wrote:
> > Hello,
> >
> > We are thinking to use kamailio to fully support
> our current voip service.
> > [snip] What would be the best kamailio
> > module and topology as solution to this requirement?
> >
> When designing a Kamailio deployment for several
> thousand plus clients,
> there are many factors to consider... including
> network topology, future
> growth plans, high availability, redundancy, etc.
>
> The quick answer top your question is: It depends.
>
> There are many discussions and presentations made
> over the years
> including some posted to the kamailioworld youtube
> channel
> (youtube,com/c/kamailioworld) as well as slides
> regarding large scale
> deployments (such as 1&1).
>
> With best regards,
>
> Fred Posner | palner.com <http://palner.com>
> Matrix: @fred:matrix.lod.com <http://matrix.lod.com>
> o: +1 (212) 937-7844
>
>
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>
> --
> Dipl. Ing.
> Markus Monka - mmonka at sipgate.de <mailto:mmonka at sipgate.de>
> Telefon: +49 (0)211-63 55 55-23
> Telefax: +49 (0)211-63 55 55-22
>
> sipgate GmbH - Gladbacher Str. 74 - 40219 Düsseldorf
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>
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--
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda
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