• 1. Application Layer Gateway: 应用层网关 | 应用程序层网关
• 2. Application Layer Gateway Service: 应用层网关服务 | 提供通讯协议插件的支持
• 3. IMS Application Layer Gateway: IMS应用层网关

更多释义

• 1.The hardware equipments layer implement the communication protocol—SGMP with the intelligent gateway equipments in the residence, and accomplish the application of interface of the service layer.
  硬件设备代理层实现了同小区内智能网关设备的通信协议SGMP ，同时完成了对服务层接口的调用；
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• 2.This VPN gateway has been used successfully in wireless network's control system as a module. It provides opaque support to upper layer business application.
  该VPN网关作为一个模块已经成功用于某无线办公网的控制系统中，对上层的企业应用提供了良好的透明支持；
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