动态更新协议把WINS类型的功能提供给DNS。

The Dynamic Update protocol provides WINS-type functionality to DNS.

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在典型的分布式交互环境中，环境信息动态更新是基于协议数据单元(PDU)，它不提供数据可靠性传输保证。

In a typical distributed interaction environment, environment information dynamic update is based on Protocol Data Unit (PDU), which does not guarantee reliable message transfer.

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