Nanchang, China May 22 - 24, 2009

Nanchang, China May 22 - 24, 2009

WISA 2009

WISA 2009

Second International Symposium on

Web Information Systems and Applications

Second International Symposium on

Web Information Systems and Applications

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Proceedings of the 2nd International Symposium on Web Information Systems and Applications (WISA 2009)

Nanchang, China, May 22-24, 2009

Editors: Fei Yu, Jiexian Zeng, and Guangxue Yue

AP Catalog Number: AP-PROC-CS-09CN001

ISBN: 978-952-5726-00-8 (Print), 978-952-5726-01-5 (CD-ROM)

Page(s): 444-448

A Random Selection Algorithm Implementing Load Balance for Anycast on Application-layer.

Zhiguo ZHOU, Gaochao XU, Chunyan DENG, Jinxin HE, Jianhua JIANG

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Abstract

The key point of anycast on application-layer is how to select an optimal server for clients from a group of anycast servers with the same address. Sometime, several concurrent requests may be connect to the same server, which will lead to the dropping of the quality of service (QoS). And great network load fluctuation will occur, too. A random selection algorithm is proposed in the paper. In the algorithm, when concurrent requests occur, a server will be selected randomly for clients from the optional servers which accord with anycast condition. The method not only ensures the QoS of anycast server but also provides clients with an optimal server. The algorithm has been proved to be feasible and efficient by simulation experiment.

Index Terms

Anycast; Application-layer; Random Selection Algorithm; Load Balance

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