Without queuing, sending an electronic message over long distances requires every node on the route to be available for forwarding messages.

如果没有队列，发送一个长距离的电子消息要求路由上的每一个节点都是可用的以便来发送消息。

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If a node is on a calculated route for a connection it will install forwarding state for the connection.

如果节点处于所计算的用于连接的路由上，则它将为连接安装转发状态。

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By this way, all packets from the upstream node with the same label will be transmitted in same route according to the entry of the forwarding table.

以后所有从上游节点传送来相同传入标签的数据包都会按照表中的条目的路径来转发。

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