Achieving higher dependability by integrating replication with DNS dispatching in the web-server cluster systems

Authors:
Mohd Isa Awang;Zarina Mohamad;Ahmad Nazari Mohd Rose;Aznida Hayati Zakaria;Wan Suryani Wan Awang
Affiliations:
Faculty of Informatics, Universiti Darul Iman Malaysia, Kuala Terengganu, Malaysia;Faculty of Informatics, Universiti Darul Iman Malaysia, Kuala Terengganu, Malaysia;Faculty of Informatics, Universiti Darul Iman Malaysia, Kuala Terengganu, Malaysia;Faculty of Informatics, Universiti Darul Iman Malaysia, Kuala Terengganu, Malaysia;Faculty of Informatics, Universiti Darul Iman Malaysia, Kuala Terengganu, Malaysia
Venue:
ICACT'09 Proceedings of the 11th international conference on Advanced Communication Technology - Volume 3
Year:
2009

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Abstract

In web server cluster system design, high reliability and efficient services are major goals. High reliability has been achieved through DNS dispatching technique and data replication scheme. A model called Neighbour Replication Distribution Technique (NRDT) has been proven mathematically to provide availability of data. Before this, DNS dispatching and data replication scheme based on NRDT has been design separately. NRDT without DNS may not suffice to achieve data reliability likewise data replica scheme alone may not achieve the same purpose. Thus, in this paper, we propose the integration of data replication scheme with DNS dispatching technique to provide higher availability and reliability, and thus improving dependability of data in the web server cluster systems.