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IEICE TRANSACTIONS on Communications

Advanced Content Delivery Scheduling Methods for Block Multicast Transfer

ZhengYu XIE, Satoshi UNO, Hideki TODE, Koso MURAKAMI

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Summary :

There is an increasing demand for the technology of content distribution, by which each user can request desired content through a network. Because of the low efficiency of existing systems, we proposed a new block transfer type video distribution system called Burst VoD. The Burst VoD system aggressively utilizes multicasting, and divides the content data into a mass of block files, which it periodically transmits to a terminal through a high-speed network, using a higher rate than the playback speed. However, by using the scheduling algorithm of the Burst VoD system, when users request the same content from different periods, the VoD server repeatedly transmits the same block files in different periods. In this paper, we propose an advanced scheduling algorithm based on the Burst VoD system to improve its multicasting efficiency. In addition, we propose a multi-channel BurstVoD in order to reduce the interface bandwidth of client.

Publication
IEICE TRANSACTIONS on Communications Vol.E87-B No.3 pp.626-634
Publication Date
2004/03/01
Publicized
Online ISSN
DOI
Type of Manuscript
Special Section PAPER (Special Section on Internet Technology IV)
Category
Multicast

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