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Transparent and scalable client-side server selection using netlets

Dharmalingam, Kalaiarul and Collier, Martin (2003) Transparent and scalable client-side server selection using netlets. In: OPENARCH 2003 - IEEE Conference on Open Architectures and Network Programming, 4-5 April 2003, San Francisco, California, USA. ISBN 0-7803-7764-8

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Replication of web content in the Internet has been found to improve service response time, performance and reliability offered by web services. When working with such distributed server systems, the location of servers with respect to client nodes is found to affect service response time perceived by clients in addition to server load conditions. This is due to the characteristics of the network path segments through which client requests get routed. Hence, a number of researchers have advocated making server selection decisions at the client-side of the network. In this paper, we present a transparent approach for client-side server selection in the Internet using Netlet services. Netlets are autonomous, nomadic mobile software components which persist and roam in the network independently, providing predefined network services. In this application, Netlet based services embedded with intelligence to support server selection are deployed by servers close to potential client communities to setup dynamic service decision points within the network. An anycast address is used to identify available distributed decision points in the network. Each service decision point transparently directs client requests to the best performing server based on its in-built intelligence supported by real-time measurements from probes sent by the Netlet to each server. It is shown that the resulting system provides a client-side server selection solution which is server-customisable, scalable and fault transparent.

Item Type:Conference or Workshop Item (Paper)
Event Type:Conference
Uncontrolled Keywords:Internet; client-server systems; software reliability;
Subjects:Computer Science > Computer networks
DCU Faculties and Centres:DCU Faculties and Schools > Faculty of Engineering and Computing > School of Electronic Engineering
Published in:2003 IEEE Conference on Open Architectures and Network Programming. . Institute of Electrical and Electronics Engineers. ISBN 0-7803-7764-8
Publisher:Institute of Electrical and Electronics Engineers
Official URL:
Copyright Information:©2003 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
ID Code:15520
Deposited On:20 Jul 2010 11:17 by DORAS Administrator. Last Modified 20 Jul 2010 11:17

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