Neighbor-Replica Distribution Technique Model for Availability Prediction in Distributed Interdependent Environment

Ahmad Shukri Mohd Noor, Tutut Herawan and Mustafa Mat Deris
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Ahmad Shukri Mohd Noor: Universiti Malaysia Terengganu, Malaysia
Tutut Herawan: Tutut Herawan, Universitas Ahmad Dahlan, Indonesia
Mustafa Mat Deris: Universiti Tun Hussein Onn, Malaysia

International Journal of Cloud Applications and Computing (IJCAC), 2012, vol. 2, issue 3, 98-109

Abstract: High availability is important for large scale distributed systems. Replication provides effective ways to enhance performance, high availability and fault tolerance in distributed systems. An efficient and effective replication technique is the key to improve the availability performance. Data and processes can be replicated for failures recovery. There are currently projects successfully implemented in two-replica distribution technique (TRDT) or primary–backup technique. However, these projects have their weaknesses of increasing cost overhead and inherit irrecoverable scenarios from TRDT such as double faults when both copies of replicated components are damaged. The authors propose the Neighbor Replica Distributed Technique (NRDT) availability prediction model. Focusing on improving high availability in which it predicts future expectation of interdependent server’s availability in a distributed online system over an extended period of time. The results and discussion are explored further in the article.

Date: 2012
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