This paper introduces the idea of logic integration, and presents the architecture of an aero-message switching system, which is the application level gateway.

本文引入逻辑集成的思想，提出了民航电报交换系统这个应用级网关的体系结构。

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Therefore, the real multi-user random access can be implemented by building a LAN based on the OCDMA technology and employing the intelligent multi-level gateway to expand the system capacity.

基于OCD MA技术组建局域网络，采用智能多级网关对系统进行扩容，能实现多用户真正的随机接入。

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Use these methods to set/get DCE security level used between DE-Light gateway and Encina/DCE servers.

使用这些方法来设置（或获得）用于 DE-Light 网关和 Encina/DCE 服务器之间的 DCE 安全级别。

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The truly paranoid may elect to use the 2.4 kernels' Netfilter4 facility (adding stateful packet filtering) or a commercial application-level proxy gateway.

CNN: Analysis: Linux security