[zeromq-dev] Question about router-dealer sockets

Andrew Hume andrew at research.att.com
Fri Nov 30 18:57:25 CET 2012

chuck answered this more fully, but here is at least one good reason:

one thing i love about 0mq is that i can start sender and receiver in any order.
and this is precisely the case where just one end is up.

but as chuck said, read that part of the guide.

On Nov 30, 2012, at 9:38 AM, Marco Trapanese wrote:

> Il 30/11/2012 00:36, Michel Pelletier ha scritto:
>> Yes.  0mq pushes messages as far to the receiver as possible as soon as
>> possible.  Linger only effects messages that have not yet been
>> transmitted from the senders queue.  If your message got sent to the
>> router and it's in the routers queue, then the router will receive it,
>> regardless of the state of the sender at that point.
> What is the purpose of this behavior?
> I can't imagine such an application where I want to either transmit or 
> receive something if *both* ends aren't running.
> I have to do several workarounds in my code to get all the stuff to work.
> Of course, if the zmq's guys decided to do this there is good reason. 
> But I can't see which one.
> Marco
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Andrew Hume
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