Erlang--epmd

epmd Erlang Port Mapper Daemon Erlang端口映射守护进程

每当启动一个erlang节点，epmd都会自动启动

她的作用在epmd模块里面有介绍： The job of the epmd daemon is to keep track of which node name listens on which address. Hence, epmd map symbolic node names to machine addresses.

启动两个节点a和b
[img]http://dl2.iteye.com/upload/attachment/0116/2033/c0d7e647-6f68-3e91-9a12-5446bb6ec879.png[/img]

[img]http://dl2.iteye.com/upload/attachment/0116/2035/2c7ad7ec-43e4-30bd-a9d9-f54f40fdd627.png[/img]

epmd所使用的端口号
[img]http://dl2.iteye.com/upload/attachment/0116/2124/4a620d67-382c-37df-98e9-2651a8204d9a.png[/img]

查看epmd进程信息
[img]http://dl2.iteye.com/upload/attachment/0116/3526/dff27fc4-5924-3ed0-b155-b5741a5f644c.png[/img]

epmd查看节点信息
[img]http://dl2.iteye.com/upload/attachment/0116/2128/8623eda9-f462-33a3-8edb-80d8a2352a47.png[/img]