[zeromq-dev] Can't bind same ZMQ_UP/DOWNSTREAM multiple times.

[Jon Dyte]

Oliver Smith wrote:
> Martin Sustrik said the following on 8/19/2010 7:19 AM:
>   
>> Binding several sockets to a TCP port to get a multicast delivery is
>> something TCP doesn't support. You'll either have to do with a device in
>> the middle or use IP multicast (via PGM) which effectively turns your
>> switch into the device. Using IP multicast has its own set of problems
>> though.
>>    
>>     
> I understand the TCP component there, but again: ZeroMQ sockets aren't 
> sockets.
>
> a/ I was trying to use inproc://
> b/ All of my attempts to service the socket are on the same context.
>
> Currently the pipeline pattern allows you to connect 1-N, but it doesn't 
> let you connect N-to-N because of a TCP issue?
>
>
>   
I'm reading this thread late on, but isn't this what the streamer is 
for, assuming it is a pipeline, not req-rep?

so if you have 3 threads producing data and and 6 threads doing 
subsequent work (that was the jpg attached earlier in the thread)

don't you just need to put a streamer inbetween ?

so the 3 producers connect to the streamer and write to it, and the 6 
workers connect and read from it

so 10 threads in this example?

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