[zeromq-dev] looking inside ZMQ queue

[Pieter Hintjens]

On Sat, Jul 28, 2012 at 2:26 AM, diffuser78 <diffuser78 at gmail.com> wrote:

> I read the zguide and couldn't find the answer to it. I wanted to know if
> there is a deterministic way to find out if a message that I sent has
> actually reached the other end.

The short answer is that if you need information from the receiver,
you MUST send that back as a message.

The longer answer is in the Guide, in the section on request-reply
reliability (Chapter 4).

-Pieter