根据信号历史记录值，通过特定的预测算法可以获得链路失效时间的预测值。
The prediction is based on the signal history of a link and activated by a prediction algorithm.
仿真表明，DSPP不仅能完全保护双链路失效，并且能在资源利用率、阻塞率和保护切换时间之间进行性能折衷。
The results show that DSPP not only can completely protect double-link failures but also can make the tradeoffs between the resource utilization ratio, blocking ratio, and protection-switching time.
而路由的失效时间等于构成该路由的所有链路的失效时间的最小值。
The route broken time is equal to the minimum broken time of the links that construct the route.
而路由的失效时间等于构成该路由的所有链路的失效时间的最小值。
The route broken time is equal to the minimum broken time of the links that construct the route.
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