[zeromq-dev] thoughts on pub-sub messaging and "reliability"

Pieter Hintjens ph at imatix.com
Mon Oct 20 10:44:10 CEST 2014

Hah, tell that to the messaging guys:


On Mon, Oct 20, 2014 at 10:30 AM, Dorvin <dorvin at tlen.pl> wrote:
> W dniu 2014-10-20 09:21, Holger Joukl pisze:
>> As always, it's a tradeoff you have to make: Higher "QoS" usually
>> means lesser throughput, much like memory vs speed tradeoffs.
> Side note: Please don't confuse "reliability" and "QoS". QoS has nothing
> to do with reliability. It's for prioritizing some traffic classes and
> rate-limiting others in case of congestion. Knowing the difference might
> save you a lot of time when talking to networking guys while
> troubleshooting reliability issue. :)
> With regards,
> Jarek
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