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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After developed this framework, writer has succeeded implementing an application-level gateway for finance operations by using this framework to deal with a large number of messages.

在开发出此框架后，本文作者通过该框架实现了一个应用于金融业务的应用级网关来进行大规模的消息处理。

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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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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