NDLI: PPStream characterization: Measurement of P2P live streaming during Olympics

Content Provider	IEEE Xplore Digital Library
Author	Wei Liang Rong Wu Jingping Bi Zhenyu Li
Copyright Year	2009
Description	Author affiliation: Institute of Computing Technology, Chinese Academy of Sciences, Beijing 100190, China (Wei Liang; Rong Wu; Jingping Bi; Zhenyu Li)
Abstract	P2P streaming technique is spreading widely and the study of its characteristics on large-scale broadcasting is meaningful and important. In this paper, we have undertaken a measurement on one of the most popular P2P IPTV systems, PPStream, during the $29^{th}$ Beijing Olympics. We collected extensive data traces under different network environments. New and unique observations are presented in our study as compared with existing measurements. Specifically, our results show that 1.) The playback delay is more remarkable in Olympics channels; 2.) Parent overlap is extremely small even for peers very nearby; 3.) The change of buffering fluctuates periodically in both Olympic and ordinary channels; 4.) Smaller scheduling unit is employed in Olympic channels with potential inefficiency. Measurement results obtained in our study bring to light significant performance and design issues of P2P live streaming systems during large-scale broadcasting, and are valuable in better understanding, optimizing and modeling of such systems.
Starting Page	135
Ending Page	140
File Size	4297757
Page Count	6
File Format	PDF
ISBN	9781424446728
ISSN	15301346
DOI	10.1109/ISCC.2009.5202292
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-07-05
Publisher Place	Tunisia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Extraterrestrial measurements Broadcasting IPTV Large-scale systems Delay Peer to peer computing Streaming media Scheduling Design optimization Control systems
Content Type	Text
Resource Type	Article
Subject	Signal Processing Mathematics Computer Networks and Communications Computer Science Applications Software

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