[zeromq-dev] Packet size based latency

Pieter Hintjens ph at imatix.com
Sun Mar 24 07:56:58 CET 2013

On Sun, Mar 24, 2013 at 4:39 AM, voochuk voochuk <voochuk at yahoo.com> wrote:

> I reported this to our network team who suggested the application is just written poorly and in their tests file copy works without latency (!!) so I have to remedy the application.

Possibly you identified the problem right there.

There might be valid reasons that round-trip latency is high on
particular routes. However if it's meant to be a low-latency
datacenter-to-datacenter link, a 10x jump is pretty dramatic.

You might try to find someone in the network team who knows the
difference between latency and throughput. The 0MQ throughput tests
may help. There are many other tools for measuring latency and I'd
perhaps find one that makes pretty pictures.


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