Proxy-Assisted Periodic Broadcast with Multiple Servers

Authors:
Ewa Kusmierek;David H. C. Du
Affiliations:
-;-
Venue:
ICDCSW '04 Proceedings of the 24th International Conference on Distributed Computing Systems Workshops - W7: EC (ICDCSW'04) - Volume 7
Year:
2004

Citing 4
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Catching and selective catching: efficient latency reduction techniques for delivering continuous multimedia streams

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Computers and Intractability: A Guide to the Theory of NP-Completeness

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Supplying Instantaneous Video-on-Demand Services Using Controlled Multicast

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Reducing bandwidth requirement for delivering video over wide area networks with proxy server

IEEE Transactions on Multimedia

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Abstract

Large scale video streaming over Internet requires a large amount of resources such as server I/O bandwidth and network bandwidth. Periodic broadcast by a central server combined with proxy caching offers a significant reduction of the aggregate network and server I/O bandwidth usage. However, the resources available to a single server are still limited. In this paper we propose a system with multiple geographically distributed servers.Multiple servers beside offering increased resources and service availability, allow a further reduction of network bandwidth usage.The challenge is how to use multiple servers efficiently. We first analyze the dependence of the resource requirements on the number and location of the servers in a proxy-assisted periodic broadcast video delivery system. Based on the character of the dependence, we formulate and solve the problem of video location and delivery in a way that minimizes resource usage.