Summer of Sockets Part 2: Request and Response With ZeroMQ

2013 Dec29


eroMQ makes it incredibly easy to connect and communicate between individual applications in distinctive patterns. Last time we took a look at the simple PUSH / PULL socket types. The next types we'll take a look at are the Request / Reply ( REQ / REP ) sockets. You can download the source code for the following examples if you would like to follow along.

Request & Reply sockets are probably the most familiar and easiest to reason about for web developers. This most obvious use case with REQ and REQ sockets, is a web server. A client ( REQ ) makes a request to the server ( REP ) and it waits until a response comes back. Unlike the PUSH socket, the REQ socket will wait until

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