NDLI: A Cache Scheduling Scheme Based on Layered Coding VOD System

Content Provider	IEEE Xplore Digital Library
Author	Niu Xianlong Yang Shoubao Wu Bin Liu Xiaoqian Guo Liangmin
Copyright Year	2009
Abstract	Internet video on demand is a new application provided by peer to peer network. Thousands of users are using real multimedia streaming systems like PPlive and PPstream which are the killer applications in the Internet. But jitters are always happening during rush time especially when users are watching less popular videos with low bandwidth network. To improve this, a cache scheduling scheme based on layered coding is proposed in this paper. Our scheme aims at optimizing cache scheduling scheme in peers' local cache while other researches often focus on the proxy server. The available bandwidth considered as energy is allocated by Fermi distribution function for different layer data of FGS, and the prefix buffer is extended dynamically. When the available bandwidth is insufficient, peers are forced to allocate more bandwidth for base layer data, and their prefix buffer is extended so that more base layer data is downloaded for users who watch a video continuously and with interactive operations. Simulation shows that our approach reduces cache missing rate effectively when available bandwidth is insufficient. In local cache, peers replace segments in the cache by formulas of popularity which is proposed to reduce cache missing rate more successful. In general, our scheme can effectively reduce starting delay and times of jitters in a multimedia system with low bandwidth.
Starting Page	238
Ending Page	243
File Size	491449
Page Count	6
File Format	PDF
ISBN	9780769537665
DOI	10.1109/GCC.2009.20
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-08-27
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Video on demand Multimedia systems Peer to peer computing Jitter P2P Network servers Bandwidth Streaming media Multimedia Streaming Layered Coding Internet Video On Demand IP networks Distribution functions Cache
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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