SIP is naturally in harmony with NGN and it is one of the most important session control protocols in NGN network.

SIP 与NGN网络具有的良好契合性，使其成为NGN 网络中最为重要的会话控制协议。

youdao

The protocols of the CAN bus have the function of fault tolerant control, but when a great quantity of information transmit by the network, it's easy to make mistakes.

CAN协议本身具有容错控制的功能，但是当网络信息负载较大时，网络容易出错，且CAN总线网络排除永久性故障的能力较差，不能满足对实时性和可靠性要求较高的网络需求；

youdao

Network architecture and its control protocols are the most important networking technologies, the primary feature of softswitch network architecture is layered functions.

网络结构及其协议是最为重要的组网技术，软交换网络结构的重要特点是其明确的功能分层。

youdao