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.
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。
Then I introduce the algorithm of automatic repeat request and calculate the utilization ratio of the link.
接着又介绍了自动请求重传算法并计算了通常情况下的链路利用率。
The results show that SLP-2BP can completely protect the double-link failures, and has a better performance than SLP-1BP on the resource utilization ratio and the blocking ratio.
仿真结果表明SLP-2BP算法不仅能有效地保护双链路失效，而且资源利用率和阻塞率性能都优于SLP-1BP算法。
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