[zeromq-dev] Compatibility of Socket Types and Protocols

Luca Boccassi luca.boccassi at gmail.com
Fri Nov 16 12:14:43 CET 2018

On Fri, 2018-11-16 at 11:39 +0100, Stephan again wrote:
> Hi
> is there somewhere a summary about the compatibility between Socket 
> Types and Protocols?
> Socket Types:
> The Socket Types and how they can be combined is documented here: 
> http://api.zeromq.org/master:zmq-socket
> Protocols:
> The Protocols are listed here: http://api.zeromq.org/master:zmq-conne
> ct 
> (Btw. udp is missing here).
> Following the documentation of each of the protocols, nothing is
> stated 
> about their compatibility towards Socket Types. Except that udp is
> only 
> compatible with ZMQ_DISH and ZMQ_RADIO at the moment.
> Does this mean, that you can use any Socket Type with any Protocol,
> with 
> an exception for udp?
> A matrix would be cool, like socket types vs. protocol types.
> Another question would I have is: To what extend is it possible to 
> binding and connecting sockets to multiple addresses with different 
> protocols?
> Kind Regards,
>    Stephan

Protocols cannot be mixed, they must match.

Kind regards,
Luca Boccassi
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