Then restoration model of HLR disaster recovery is given and quantitive analysis is made to the two important parameters that affect the performance of restoration model.

• 然后给出了HLR的容灾恢复模型,并对容灾模型性能的两个重要的指标(故障恢复时间和总损失)进行了量化的分析,得出了在不同的情况下,容灾模型中各个关键参数对容灾模型性能的影响。