Distributed delivery system for time-shifted streaming systems

Authors:
Liu, Yaning Liu;Simon, Gwendal Simon
Affiliations:
State Key Lab. of Networking and Switching Tech., Beijing Univ. of Posts and Telecommunications, China;Computer Science Department, Institut Telecom - Telecom Bretagne, France
Venue:
LCN '10 Proceedings of the 2010 IEEE 35th Conference on Local Computer Networks
Year:
2010

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A Multicast-Enabled Delivery Framework for QoE Assurance of Over-The-Top Services in Multimedia Access Networks

Journal of Network and Systems Management

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Abstract

In live streaming systems (IPTV, life-stream services, etc.), an attractive feature consists in allowing users to access past portions of the stream. This is called a time-shifted streaming system. We address in this paper the design of a large-scale delivery system for a time-shifted streaming application. We highlight the challenging characteristics of time-shifted applications that prevent known delivery systems to be used. Then, we describe the turntable structure, the first structure that has been specifically designed to cope with the properties of time-shifted systems. A set of preliminary simulations confirm the interest for this structure.