通过破坏数据并将其多信道传送，互联网能在大部分网络瘫痪后幸存下来。

By breaking up data and sending it over multiple routes, the Internet can survive the loss of large parts of the network.

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用于预留和永久业务的OAM信息的传递可以通过在其他接口结构中的一个D信道传送。

Transfer of OAM (Operations, Administration and Maintenance) information for reserved and permanent services may be provided via a D-channel in another interface structure.

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用于租用和永久业务的OAM信息的传递可以通过在其它接口结构中的一个D信道传送。

Transfer of OAM (Operations, Administration and Maintenance) information for reserved and permanent services may be provided over a D-channel in the same or in another interface structure.

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