NDLI: Proxy caching based on segments for layered encoded video over the Internet

Content Provider	IEEE Xplore Digital Library
Author	Baofeng Liu Wenjun Zhang Songyu Yu
Copyright Year	2004
Description	Author affiliation: Inst. of Image Commun. & Inf. Process., Shanghai Jiao Tong Univ., China (Baofeng Liu; Wenjun Zhang; Songyu Yu)
Abstract	In the multimedia system, the video server has limited streaming capacities and may be far away from the clients. In order to achieve higher user capacity and lower network transmission cost, proxy cache can be used, which are located close to the user and in which popular video objects are likely to be cached. In this paper, as a result of the heterogeneity of accessing the Internet, we propose a novel scheme that is used to distribute layered encoded video by proxy cache based on segments, which popularity derives from the popularity of inter-video clip and intra-video clip as well as distribution of users' downstream bandwidth. Our simulation results show that the proposed proxy caching scheme based on segments can greatly reduce the server's bit ratios with a cache of given capacity, and enhance the capability of adapting to the heterogeneity of the Internet while not increasing the implementation complexity. Moreover our method can cache more first segments of video clip layers, which results in the ability to reduce start-up latency greatly.
Sponsorship	IEEE Circuits and Syst. Soc. IEEE Commun. Soc. IEEE Signal Processing Soc. IEEE Information Theory Soc. Chinese Inst. of Electron. Nokia Corp., Finland Intel Corp., USA Microsoft Res., Asia Shanghai Jiaotong Univ
Starting Page	41
Ending Page	44
File Size	258566
Page Count	4
File Format	PDF
ISBN	0780379381
DOI	10.1109/CASSET.2004.1322912
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-05-31
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Network servers Image segmentation Image communication Multimedia systems Bandwidth Information processing Streaming media Internet IP networks Web server
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
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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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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