DEALER - ROUTER should give you this. Niels
On 13 February 2013 15:09, Adam Covitch <[email protected]> wrote: > Does ZeroMQ support a pattern where a single pair of sockets exist such > that either side can initiate a message? Also, communication is > asynchronous? So far the only solution I've found is having two > REQ/ROUTER/DEALER/REP channels, one in each direction. Asynchrony is > provided through the use of zmq_poll(). Can this be done using a single > channel? > > -- Further details -- > I am new to ZeroMQ and messaging in general. Our team is designing a > messaging framework to fit into a preexisting application model that > consists multiple applications. The number and type of applications > dynamically changes, but they are all either servies or user-launched > applications. > > We would like to use ZeroMQ to enabled communication _among_ our > applications. I had envisioned a central component that would establish > communication between the application based on a set of business logic > rules (i.e. "connect me to the only instance of application X that exists > in teh same grapphics context as myself"). Communication would then be > either spun off between the two nodes or continue through the central > component. We haven't decided yet. But each component (even the central > component) must be able to both initiate and reply to messages. > > My question is in how to establish the links between each application that > allows either side to initiate the conversation, and also how to make the > conversations sufficiently bulletproof such that if one side crashes the > other side doesn't hang waiting for a reply (I intend to use asynchrony for > this). > > I was hoping for a full-duplex sort of socket pattern, but I haven't found > one so far. > > Thank you! > Adam > > _______________________________________________ > zeromq-dev mailing list > [email protected] > http://lists.zeromq.org/mailman/listinfo/zeromq-dev > >
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