ZMQ源码分析（九）--其他socket_base模型

zmq除了上篇介绍的四种模型外还提供了很多其他有用的模型，下图说明了zmq提供的所有模型以及他们之间的使用关系：

下面是zmq的一些相关文章:
http://rfc.zeromq.org/spec:24/ZMTP-PLAIN defines the ZMTP-PLAIN security mechanism.
http://rfc.zeromq.org/spec:25/ZMTP-CURVE defines the ZMTP-CURVE security mechanism.
http://rfc.zeromq.org/spec:26/CURVEZMQ defines the CurveZMQ authentication and encryption protocol.
http://rfc.zeromq.org/spec:27/ZAP defines the ZeroMQ Authentication Protocol.
http://rfc.zeromq.org/spec:28/REQREP defines the semantics of REQ, REP, DEALER and ROUTER sockets.
http://rfc.zeromq.org/spec:29/PUBSUB defines the semantics of PUB, XPUB, SUB and XSUB sockets.
http://rfc.zeromq.org/spec:30/PIPELINE defines the semantics of PUSH and PULL sockets.
http://rfc.zeromq.org/spec:31/EXPAIR defines the semantics of exclusive PAIR sockets.
http://rfc.zeromq.org/spec:37/ZMTP defines version 3.1 of this specification.

http://www.cnblogs.com/fengbohello/p/4398953.html