如果加上端点可以是各种能够通过使用HTTP的GET语义来同步资源状态的设备，服务，应用程序等等这种思想，这种模式将会更加普遍适用。
The idea that these endpoints can be devices, services, applications etc. that can synchronize resource state over HTTP using GET semantics will only make variations of this pattern more ubiquitous.
存储对服务器显示为是本地的，其中端点存储设备可以为客户端设备实现附加服务(例如备份和复制)。
The storage appears local to the servers, where the endpoint storage device may implement additional services for the client devices (such as backup and replication).
工具层：在本层，可管理端点(设备、软件服务等)可通过JMX指定的接口访问。
Instrumentation level: in this level, the manageable endpoints (device, software service, and so on) are made accessible through JMX-specified interfaces.
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