| 术语 | packetswitching center |
| 释义 | packetswitching center 分组［包］交换中心;［小包交换中心］ A center which routes traffic according to the current status of the network. Instead of following a predetermined path, data sent through the network are routed automatically by each switching center along the path most likely to minimize the total delayencountered by the data in passing through the network. If certain internodal links become congested with traffic, data are routed automati cally over other links with spare capacity. Ifa link fails entirely, data will be sent automatically over alternative paths. 一种信息交换中心,按网络的现状安排业务量传送的路径,不采用按预定路线传送的方法。 经过网络送出的数据是自动地由各交换中心遵照路线总延迟时间最小等准则安排路径的。 若某个网点间链路因业务量大而堵塞,则可自动地转经其业务量小的路径。若一条链路完全 不能用了,数据可自动地经迂回路线发送出去。 |
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