[SR-Users] DMQ Usrloc/Dialog - Experiences

[Julien Chavanton]

Hi Carsten, from my experience Usrloc + DMQ works very well, rare
replication race conditions are insignificant since the state is quite
volatile anyway.

However you can only have that many nodes, great for clustering.

On Mon, Nov 29, 2021 at 6:47 AM Carsten Bock <carsten at ng-voice.com> wrote:

> Hi,
>
> I wanted to quickly ask the group about experiences with DMQ and
> Usrloc/Dialog.
>
> I don't expect any issues when choosing such an approach, especially since
> we would have re-transmits for a message (fr_timer = 30 seconds) if we did
> not receive any answers or scenarios alike. So I assume, having short
> "outages" (less than 30 seconds) for the communication is just fine.
>
> So far I used DMQ in a non-IMS setup for synchronizing usrloc with ~15k
> Subscribers and it worked really well.
>
> One concern brought up (not by me) was, that synchronizing usrloc with DMQ
> might not be reliable at scale. I would also love to understand how to
> treat situations when the communication is lost for a longer period of time
> (e.g. if the communication between nodes is lost for 5 minutes?).
>
> Can anyone share some real-life experiences?
>
> 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
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