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CLC number: TP18; TP393

On-line Access: 2008-05-10

Received: 2007-09-25

Revision Accepted: 2008-01-07

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Journal of Zhejiang University SCIENCE A 2008 Vol.9 No.6 P.791-798


Two-stage evolutionary algorithm for dynamic multicast routing in mesh network

Author(s):  Li ZHU, Zhi-shu LI, Liang-yin CHEN, Yan-hong CHENG

Affiliation(s):  School of Computer Science, Sichuan University, Chengdu 610065, China; more

Corresponding email(s):   zhulicdsu@126.com

Key Words:  Dynamic multicast, Routing, Encoding, Quality of Service (QoS), Evolution, Genetic algorithm (GA)

Li ZHU, Zhi-shu LI, Liang-yin CHEN, Yan-hong CHENG. Two-stage evolutionary algorithm for dynamic multicast routing in mesh network[J]. Journal of Zhejiang University Science A, 2008, 9(6): 791-798.

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%T Two-stage evolutionary algorithm for dynamic multicast routing in mesh network
%A Zhi-shu LI
%A Liang-yin CHEN
%A Yan-hong CHENG
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%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A071519

T1 - Two-stage evolutionary algorithm for dynamic multicast routing in mesh network
A1 - Li ZHU
A1 - Zhi-shu LI
A1 - Liang-yin CHEN
A1 - Yan-hong CHENG
J0 - Journal of Zhejiang University Science A
VL - 9
IS - 6
SP - 791
EP - 798
%@ 1673-565X
Y1 - 2008
PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.A071519

In order to share multimedia transmissions in mesh networks and optimize the utilization of network resources, this paper presents a Two-stage evolutionary Algorithm (TEA), i.e., unicast routing evolution and multicast path composition, for dynamic multicast routing. The TEA uses a novel link-duplicate-degree encoding, which can encode a multicast path in the link-duplicate-degree and decode the path as a link vector easily. A dynamic algorithm for adding nodes to or removing nodes from a multicast group and a repairing algorithm are also covered in this paper. As the TEA is based on global evaluation, the quality of the multicast path remains stabilized without degradation when multicast members change over time. Therefore, it is not necessary to rearrange the multicast path during the life cycle of the multicast sessions. Simulation results show that the TEA is efficient and convergent.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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