Video staging: a proxy-server-based approach to end-to-end video delivery over wide-area networks
IEEE/ACM Transactions on Networking (TON)
A survey of web caching schemes for the Internet
ACM SIGCOMM Computer Communication Review
First experiences with the Polish optical Internet
Computer Networks: The International Journal of Computer and Telecommunications Networking - Special issue on networking middleware: selected papers from the TERENA networking conference 2001
IEEE Transactions on Knowledge and Data Engineering
Reducing bandwidth requirement for delivering video over wide area networks with proxy server
IEEE Transactions on Multimedia
iTVP: platform for digital audio and video delivery over broadband IP networks
Proceedings of the 18th International Workshop on Network and Operating Systems Support for Digital Audio and Video
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iTVP is a system built for delivery of live TV programming, video-on-demand and audio-on-demand with interactive access over IP networks. It has a nationwide range and is designed to provide service to a high number of concurrent users. Hence, scalability is one of the most important issues. In this paper we described how scalability is achieved in a two-level hierarchical architecture of the delivery system. We present the principles of content caching mechanisms and the management of the resulting distributed content repository. The system is implemented and currently operates in a test installation. Although the range of the test system operations is limited, as far as the number of users and the size of the content repository is concerned, the experience gained with iTVP so far provides an insight into the expected prototype performance. We present a system performance evaluation and describe the experience gained during the iGrid demonstration.