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Research and Implementation of Distributed Disaster Tolerant System

並列摘要


With the advent of the information age, the growths of data amount are explosive in various industries and the importance of data has become more and more prominent. When a disaster occurs, how to recover data completely and rapidly is one of the important issues which raise common concern in both industry and academy circles. This paper proposes a distributed disaster tolerant system based on information decentralization algorithm. The system, called NewDDR, adopts distributed architecture to ensure the high availability of data even under the condition of multi‐node damage. NewDDR uses considerably fewer physical resources by employing the information decentralization algorithm which is based on erasure code. Experiments show that NewDDR can guarantee effective protection of the source data, while keeping the normal operation of the application.

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