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Qos of broadband network is important. ISPs have some methods for evaluate it. But they are not efficient enough. This paper present a new method in which delay and scale of windows of TCP messages are used for evaluating performance of broadband. Comparison between delay or scale of window s of samples is the core idea of the method. There are two kinds of comparison. One is absolute terms of above-mentioned...
IPTV is an emerging Internet application, and is revolutionizing the entertainment and media industries. In this paper, we examine the current progress in research and development of IPTV systems. We provide an overview of two major IPTV system architectures, namely, the IP multicast architecture and the P2P architecture, and review various challenges, design issues, and interesting research problems...
Several network segments are involved in a large scale IPTV deployment, from the original video content server to the set-top-box (STB). Each network segment could be error-prone. QoS monitoring and troubleshooting are critical to guarantee satisfying user experience. In this paper, we discuss QoS monitoring and troubleshooting in AT&T U-Verse, one of the largest IPTV deployments in the world...
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