NDLI: Co-operative Proxy Caching Algorithms for Time-Shifted IPTV Services

Content Provider	IEEE Xplore Digital Library
Author	Wauters, T. Van de Meerssche, W. De Turck, F. Dhoedt, B. Demeester, P.
Copyright Year	2006
Description	Author affiliation: Dept. Inf. Technol., Ghent Univ. (Wauters, T.; Van de Meerssche, W.; De Turck, F.; Dhoedt, B.; Demeester, P.)
Abstract	The increasing popularity of multimedia streaming applications introduces new challenges in content distribution networks. Streaming services such as video on demand (VoD) or digital television over the Internet (IPTV) are very bandwidth-intensive and cannot tolerate the high delays and poor loss properties of today's Internet. To solve these problems, caching (a sliding segment of popular streams at proxies could be envisaged. This paper presents a novel caching algorithm and architecture for time-shifted television (tsTV) and its implementation using the IETF's real-time streaming protocol (RTSP). The algorithm uses sliding caching windows with sizes depending on content popularity and/or distance metrics. The caches can work in stand-alone mode as well as in co-operative mode. This paper shows that the network load can already be reduced considerably using small diskless caches, especially when using cooperative caching. A brief overview of the functionality of a prototype proxy implementation is presented as well
Sponsorship	IEEE CPS
Starting Page	379
Ending Page	386
File Size	222092
Page Count	8
File Format	PDF
ISBN	0769525946
ISSN	10896503
DOI	10.1109/EUROMICRO.2006.29
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-08-29
Publisher Place	Croatia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	TV broadcasting Network servers Video on demand Costs Web and internet services Streaming media Throughput IPTV Multimedia communication Delay
Content Type	Text
Resource Type	Article

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