[zeromq-dev] 0MQ multicast message lost?

[Steven McCoy]

The thread with the last discussion on rate limiting and ODATA/RDATA
priority.

http://lists.zeromq.org/pipermail/zeromq-dev/2010-May/003556.html

<http://lists.zeromq.org/pipermail/zeromq-dev/2010-May/003556.html>--
Steve-o

On 7 October 2010 17:53, <ntupel at googlemail.com> wrote:

> Hi all,
>
> I am currently wrapping my head around 0MQ + PGM. In particular I try
> to come up with an understanding of reliability guarantees. Given this
> receiver (receiver.cc http://pastebin.com/PHbYCawK) and this sender
> (sender.cc http://pastebin.com/gnrgZtD3) I try to publish messages
> from sender to receiver (ZMQ_PUB/ZMQ_SUB) and the receiver sends back
> the message received (ZMQ_PUSH/ZMQ_PULL). Only after the sender has
> gotten back the message it will publish the next one. I am using two
> separate machines within the same subnet. My problem is that often
> sender and receiver get stuck which means that some message got lost.
> I invoke these processes as follows:
>
> On receiver side: $ ./receiver epgm://eth0\;231.192.0.1:9999
> tcp://10.0.10.2:1234 255
> On sender side: $ ./sender epgm://eth0\;231.192.0.1:9999
> tcp://eth0:1234 255 10000
>
> Then after some time where numbers scroll on both sides they get stuck
> at some n < 9999.
>
> Can somebody shed some light on this?
>
> Thanks,
> nt
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