Topics summarized here include point-to-point links, circuit switching, packet switching, virtual circuits, dialup services, and WAN devices.

在这里概述的题目包括点对点链路，电路交换，分组包交换，虚电路，拨号服务，和WAN设备。

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This paper analyses the average communication delay of circuit-switching, message switching, packet-switching, virtual cut-through and direct-passing and, the average response time of direct-passing.

对线路交换、消息交换、包交换，虚拟旁通和直通的平均通信延迟时间以及直通的平均请求响应时间进有了分析。

youdao

This paper analyses the average communication delay of circuit-switching, message switching, packet-switching, virtual cut-through and direct-passing and, the average response time of direct-passing.

对线路交换、消息交换、包交换，虚拟旁通和直通的平均通信延迟时间以及直通的平均请求响应时间进有了分析。

youdao