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引用次数: 1
摘要
随着宽带网络的普及，视频通信日益普及。实现这种通信对于部署IPv6非常重要。然而，几乎所有的商用视频会议系统都不能在IPv6网络下工作。我们开发了一个名为“PTGATE”的应用网关来扩展可用的视频会议场景。PTGATE有三个功能:IPv4 over IPv6隧道，使用IPv4的视频会议系统;单播网络上的组播隧道;使用FEC进行错误恢复。通过PTGATE，现有的视频会议资源可以对应不同的网络环境。本文介绍了PTGATE的概况及其评价。最后给出了PTGATE在实际网络中的实际实验
An application gateway to deploy high-quality video communications in various network environments
Video communication is being popular by spreading broadband networks. Realization of this kind of communications is important to deploy IPv6. However, many almost of commercial video conference systems do not work in IPv6 networks. We developed an application gateway called as "PTGATE" to extend available scenes of video conferences. PTGATE has three functions: IPv4 over IPv6 tunneling to use video conference systems for IPv4, multicast tunneling over unicast networks, and error recovery using FEC. By using PTGATE, the current resources of video conferences correspond to various network environments. In this paper, we describe the overview of PTGATE and its evaluation. Also, we show practical experiments of PTGATE using actual networks
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