JAVA从服务器推送到客户端 [英] JAVA push from server to clients
问题描述
示例：服务器S，客户端A和B
我希望客户端通过服务器在没有延迟的情况下/ p>
客户端A要请求客户端B.
客户端A将向服务器S发出请求，没有问题。
所有的node.js / APE（PHP）技术人员是为网络设计的，但我不使用网络服务器。 Java有一个接近推送技术/框架的东西，不是web？
我真的更喜欢一个解决方案，不要求每个客户端使用自己的保留端口（我不希望最终为每个客户端1 WebService例如）
注意：所有客户端在同一台机器上。
几个选项...
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普通插座通信。 java.net.Socket，java.net.ServerSocket。最大的灵活性，但需要低层TCP / IP API /概念的知识。
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基于TCP / IP上的基于Java的RPC层。当客户端和服务器都在Java并且通常在同一子网中时工作良好。
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Spring Remoting，它实际上是相当不错的。
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双向网络服务。
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JMS就像已经提到的人一样。
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分布式数据结构，请查看 http://www.hazelcast.com/
有很多可供选择的选项，不需要网络服务器。
I would like to have the clients query each other through the server without delay ( = no polling interval ).
Example: Server S, clients A and B
Client A wants to request Client B. Client A will make a request to the server S, no problem there. Then Server S needs to be able to request Client B but how to do that without polling?
All the node.js/APE (for PHP) technos are designed for the web, however I don't use a web server for that. Does Java has something close to a push technology/framework that is not web?
I would really prefer a solution that doesn't require each client to use their own reserved port (I don't want to end up with 1 WebService per client for example)
Note: all the clients are on the same machine.
A couple of options...
Plain socket communication. java.net.Socket, java.net.ServerSocket. Maximum flexibility but requires knowledge of low level TCP/IP API/concepts.
The good old RMI. Java based RPC layer on top of TCP/IP. Works good when client and server are both in Java and generally in same subnet. May give problems when client and/or server are natted.
Spring Remoting, it's actually pretty decent.
Bi-Directional Web Services. i.e. clients host their own WSes which the Server calls when it needs to do a callback.
JMS as someone already mentioned.
Distributed Data Structures, Check out http://www.hazelcast.com/
Lots of options to chose from, no need for webserver.
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