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Wan Nur Amira Wan Azman
Universiti Malaysia Terengganu
Computer Science & IT Electrical & Electronics Engineering

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Novelty circular neighboring technique using reactive fault tolerance method Ahmad Shukri Mohd Noor; Nur Farhah Mat Zian; Noor Hafhizah Abd Rahim; Rabiei Mamat; Wan Nur Amira Wan Azman
International Journal of Electrical and Computer Engineering (IJECE) Vol 9, No 6: December 2019
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (449.946 KB) | DOI: 10.11591/ijece.v9i6.pp5211-5217

Abstract

The availability of the data in a distributed system can be increase by implementing fault tolerance mechanism in the system. Reactive method in fault tolerance mechanism deals with restarting the failed services, placing redundant copies of data in multiple nodes across network, in other words data replication and migrating the data for recovery. Even if the idea of data replication is solid, the challenge is to choose the right replication technique that able to provide better data availability as well as consistency that involves read and write operations on the redundant copies. Circular Neighboring Replication (CNR) technique exploits neighboring policy in replicating the data items in the system performs well with regards to lower copies needed to maintain the system availability at the highest. In a performance analysis with existing techniques, results show that CNR improves system availability by average 37% by offering only two replicas needed to maintain data availability and consistency. The study demonstrates the possibility of the proposed technique and the potential of deploying in larger and complex environment.
Co-Authors Ahmad Shukri Mohd Noor Noor Hafhizah Abd Rahim Nur Farhah Mat Zian Rabiei Mamat