The benefit of packet switching is that it can handle high-volume traffic in a network.

包交换的好处就在于它能够处理网络上大量的交易。

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With its truncated missive 40 years ago today, ARPANET became the world's first operational packet-switching network.

从今天来看，通过40年前的该条被删节的信息，ARPANET网成为世界个首个运行的打包交换网络。

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In the packet switching network, packet scheduling algorithms in the routers and switches decide how to serve packets, admission control algorithms decide bandwidth reservation and release.

在分组交换网络中，分组调度算法在交换机和路由器中决定着分组的服务规则，而接入允许控制算法则决定着带宽资源的预留和释放。

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Packet switching got its name thanks to late British scientist Donald Davies who was creating a network that used this technique at the National Physical Laboratory (NPL).

BBC: Celebrating 40 years of the net