[SR-Users] Best practice for Kamailio "cluster" front for many TLS connections

[Angelo Sipper]

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/

Kind Regards,
Angelo


Στις Σάβ, 11 Σεπ 2021 στις 11:03 μ.μ., ο/η Henning Westerholt <
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
>
>
>
> 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/
>
> Kamailio services – https://gilawa.com
>
>
>
> *From:* sr-users <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>
> *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>
> 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
> Matrix: @fred:matrix.lod.com
> o: +1 (212) 937-7844
>
>
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