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== Messaging Patterns

http://nanomsg.github.io/nng[nng] is a messaging framework that attempts to
help solve common messaging problems with one of a few patterns ('protocols'
in nng parlance.)

Following are examples of each pattern type in C.

* <<pipeline#,Pipeline (A One-Way Pipe)>>
* <<reqrep#,Request/Reply (I ask, you answer)>> 
* <<pair#,Pair (Two Way Radio)>>
* <<pubsub#,Pub/Sub (Topics & Broadcast)>>
* <<survey#,Survey (Everybody Votes)>>
* <<bus#,Bus (Routing)>>