本文从网络互连的角度出发，讨论用于OSI网关的无连接网络层协议CLNP的功能选取与实现。

In this paper, we describe a selection and implementation of the functions of CLNP for OSI interconnection to implement a gateway.

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而UDP协议是无连接的，因此要在上层对用户数据报协议包的发送速率进行控制，来避免在网络情况不良的时候，产生较大的丢包率。

Since the UDP protocol is non-connection, a transfer control should be taken on the high level to avoid high packet loss when the network is bad.

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AT M网络是面向连接的，而IP是采用数据报方式的无连接协议。

How to support datagram - based Internet Protocol over connection - oriented ATM networks is studied in this paper.

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