这个守护进程为本地计算机广播信息，并收集来自所有其他计算机的广播数据。

This daemon broadcasts the information for the local machine and collects the broadcast data from all the other machines.

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VLAN有效控制了整个网络中广播信息的流量，简化网络设备的变更。

VLAN can control the traffic of broadcasting data in a whole network effectively and simplify the alteration of network equipment.

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以前一直认为，启用 rwhod 和 rusersd 是对网络资源的浪费，因为这两个守护进程在网络中不断地广播信息，从而占用了带宽。

Traditionally, enabling rwhod and rusersd was seen as a wasteful use of network resources, because these daemons broadcast information over the network continually, using up bandwidth.

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