Critical service recovery model for system survivability

Authors:
Irving Vitra Paputungan;Azween Abdullah;Low Tan Jung
Affiliations:
Computer and Information Sciences Department, Universiti Technologi Petronas, Tronoh, Malaysia;Computer and Information Sciences Department, Universiti Technologi Petronas, Tronoh, Malaysia;Computer and Information Sciences Department, Universiti Technologi Petronas, Tronoh, Malaysia
Venue:
MACMESE'07 Proceedings of the 9th WSEAS international conference on Mathematical and computational methods in science and engineering
Year:
2007

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Abstract

In this paper, we propose a recovery model to enhance system survivability. The model focuses on how we preserve the system and resume its critical service while incident occurs by reconfiguring the system based on the remaining available resources without affecting the stability of the system. There are three motivating factors in our recovery model, the response time of reconfiguration, the cost of reconfiguration, and the number of pre-empted non-critical service resources. The adoption of fault-tolerance using redundancy in our model is discussed from a new perspective.