Automatic Membership Service For Large-Scale Dependable Storage Systems
Journal Title: International Journal of Research in Computer and Communication Technology - Year 2013, Vol 2, Issue 8
Abstract
Byzantine-fault-tolerant replication increases the reliability and availability of Internet services that store significant state and protect it in spite of attacks or software errors. Existing Byzantine-fault-tolerant storage systems either imagine a static set of replicas, or have restrictions in how they handle reconfigurations and it represented in terms of the consistency and levels they provide the scalability of the solutions. This can be difficult in large-scale, long-lived systems where system connection is likely to change during the system existence. Here present a service that follows system membership and from time to time reports other system nodes of membership vary. The membership service runs typically repeatedly, to avoid human configuration errors and is itself Byzantine fault- tolerant and reconfigurable and provides appliances with a sequence of consistent views of the system membership. The practical result demonstrates that the membership service works well and the membership service is able to manage large system and the cost to maintain the service is low. The solution for dynamically changing system membership in a largescale Byzantine-fault-tolerant system. We present a service that tracks system membership and periodically notifies other system nodes of membership changes. To avoid human configuration errors; is itself Byzantine faulttolerant and reconfigurable; and provides applications with a sequence of consistent views of the system membership. dBQS is exciting in its own right because its storage algorithms extend existing Byzantine quorum protocols to handle changes in the replica set, and because it differs from preceding DHTs by providing Byzantine fault tolerance and offering strong semantics.
Authors and Affiliations
P. Rajitha, D Anil, M. Kanchana
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