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Overlay tree construction to distribute layered streaming by application layer multicast

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5 Author(s)
Zhou Su ; Dept. of Comput. Sci., Waseda Univ., Tokyo, Japan ; Oguro, M. ; Okada, Y. ; Katto, J.
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With the development of broadband technologies, more and more multimedia contents such as video or bulk file are being distributed over the Internet. However, an important issue to be resolved is how to construct an efficient overlay to provide users with the acceptable throughput and delay, while receiving multimedia contents. Therefore, this paper designs a tree construction algorithm by distributing the layered steaming over the ALM in order to improve both throughput and user delay. Firstly, to improve the throughput, based on theory analysis, we define a layered degree, out/in-degree and the corresponding constraints to manage the layered streaming and nodes. Secondly, a novel method, called Bi-cast, is proposed to reduce user delay during data-transmission. Thirdly, by using the defined degrees and the Bi-cast, we present a tree construction algorithm. Both the simulation and the implementation are carried out, and the results show that our proposal can obtain better performance than other conventional methods.

Published in:

Consumer Electronics, IEEE Transactions on  (Volume:56 ,  Issue: 3 )

Date of Publication:

Aug. 2010

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