Adaptive video-on-demand broadcasting in ubiquitous computing environment

Authors:
Chao Peng;Yasuo Tan;Naixue Xiong;Laurence T. Yang;Jong Hyuk Park;Soon-Seok Kim
Affiliations:
Network Architecture Group, National Institute of Information and Communications Technology, Koganei, Japan 184-8795 and Graduate School of Information Science, Japan Advanced Institute of Science ...;Graduate School of Information Science, Japan Advanced Institute of Science and Technology, Nomi, Japan 923-1292;Department of Computer Science, Georgia State University, Atlanta, USA;Department of Computer Science, St. Francis Xavier University, Antigonish, Canada B2G 2W5;Department of Computer Science and Engineering, Kyungnam University, Masan, Korea;Department of Computer Engineering, Halla University, Wonju, Korea
Venue:
Personal and Ubiquitous Computing
Year:
2009

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Abstract

Video-on-demand (VOD) is a service that allows users to view any video program from a server at the time of their choice, such kind of services are expected to be popular in future ubiquitous computing environment. Lots of broadcasting protocols for VOD services have been proposed, but they usually focus only on the tradeoff between bandwidth and delay, thus they are usually not efficient for the local storage. Since the ubiquitous network is heterogeneous and users will have different resource and communication capability, we need to address the storage issue in VOD systems. In this paper, we present several new effective broadcasting schemes, which can intelligently adjust the solution according to available bandwidth and local storage to achieve an ideal waiting time.