Computer Science ›› 2015, Vol. 42 ›› Issue (8): 152-156.

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Study on Disaster Recovery Capability Evaluation Approach Based on Cloud Model

YAO Wen-bin, WANG Zhen, ZHAO Ling and YAO Xiang   

  • Online:2018-11-14 Published:2018-11-14

Abstract: The existing index system about disaster recovery capability often takes insufficient account of the dynamic index.At the same time,the existing evaluation methods do not make analysis on system stability,and the weight calculation method is far too subjective.To solve these problems,a new index system and an evaluation approach of disaster recovery capability were proposed.The composite indicators,such as RPO and RTO,were added into the index system.Combined with cloud model,the paper proposed a method for normalizing the index value based on interval number and a comprehensive empowerment model based on G1 and entropy method.This evaluation constructs the cloud model for disaster recovery capability,which implements the conversion from qualitation to quantitation.Then the experiment confirms the feasibility of this method.

Key words: Cloud model,System evaluation,Disaster recovery capability,Comprehensive empowerment

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