It is assumed that the Hadoop slave node has been configured a priori in such a manner that it registers with the Hadoop master node.
这里假设Hadoop从节点已经在之前配置完成，也就是它已经注册到Hadoop主节点中。
The network Master (typically a PLC) recognizes the slave node by means of this address.
网络主站(典型的是一个PLC)通过设定的地址识别从站节点。
Connect Slave node to private network.
连接从节点到私有网络。
Connect Slave node to private network.
连接从节点到私有网络。
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