VOD service using web-caching technique on the head-end- network

Authors:
Iksoo Kim;Backhyun Kim;Yoseop Woo;Taejun Hwang;Seokhoon Kang
Affiliations:
Department of Information and Telecommunication Engineering Univ. of Incheon, Incheon, Incheon, Korea;Department of Information and Telecommunication Engineering Univ. of Incheon, Incheon, Incheon, Korea;Department of Information and Telecommunication Engineering Univ. of Incheon, Incheon, Incheon, Korea;Department of Information and Telecommunication Engineering Univ. of Incheon, Incheon, Incheon, Korea;Division of Internet Engineering Dongseo University, Pusan, Korea
Venue:
ICCSA'03 Proceedings of the 2003 international conference on Computational science and its applications: PartII
Year:
2003

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Abstract

To provide fluent on-demand services on Internet, the VOD servers have to possess a powerful processing ability and the network needs a vast bandwidth. The more clients request service, the more these resources are required. This paper presents a web-caching technique for providing fluent VOD services on Internet. This technique adopts some caches in the Head-End-Network that consists of a Switching-Agent (SA), some Head-End-Nodes and many clients. This technique distributively stores video streams in the order of request on some HENs which request an identical video item. Thus, storing streams on each HEN are different. When the client requests service for cached video items, connecting HEN receives streams from HENs which stored them and transmits them to client. These procedures are performed under the control of SA. Therefore this technique distributes the load of HENs, leads to equiloaded HEN and protects data duplication among HENs.