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(a)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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