异步请求的不可靠性对于自动保存来说还是可以接受的，因为实现自动保存的作用只是在浏览器瘫痪或网络故障时进行部分恢复。
The unreliable nature of the asynchronous requests is acceptable for auto-saving because this is implemented only to partially recover from a browser crash or network failure.
它通过引入控制平面并结合GMPLS协议实现连接的自动建立和拆除，并在相应机制下完成网络故障的动态保护和恢复。
The control plane can set up and take down a LSP tunnel automatically under the cooperation of GMPLS protocols, and complete the protection and recovery of network failures.
它应该能够在启动时从网络故障中恢复。
It should be able to recover from network failure at start itself.
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