The OSI model describes the features necessary to have an application work over a network and breaks down the features into a series of layers.

OSI 描述使应用程序通过网络工作所需的特性并将那些特性分解到一系列层中。

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This article covered the relative importance of the network I/O subsystem, and defined the AIX 7 network I/O layers and how it relates to the OSI Model.

本文介绍了网络 I/O 子系统的相对重要性，定义了 AIX 7 网络 I/O 层，并阐述了如何将它与 OSI Model 联系起来。

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The boundary between two adjacent layers in the OSI model.

在开放系统互连模型中两个相邻层间的边界。

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