[zeromq-dev] QoS / prioritization status

Gary Strangman gary.strangman at gmail.com
Fri Jun 24 21:24:09 CEST 2011

Hi all,

I just read through the thread on Quality of Service and message priorities
starting 'bout here:


For my use-case, I am considering 0MQ for shipping data from multiple
sensors to a more central monitoring location. Data from the sensors have
varying importance, which can fluctuate, and so I'd like to be able to
prioritize messages for transport (I have a small pipe that I need to push
them through). Ideally, I'd also like to be able to re-prioritize messages
prior to them being sent (e.g., if an emergent situation arises, I don't
want a giant video file blocking the critical sensor data). I have two

1) Have there been changes/additions in 0MQ since the above thread that
might provide added support for either 0MQ-level or application-level
prioritization of messages? (FWIW, I'm OK with some messages getting higher
priorities than requested, via message-bunching.)

2) Are there any (related?) 0MQ features or patterns that might help
optimize message flow through a (known) network bottleneck?

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