路由器可以创建或维护一个包含可用路由及其状态的路由表，同时根据这些信息，利用距离和成本算法为数据包选择最佳路由。
A router may create or maintain a table of the available routes and their conditions and use this information along with distance and cost algorithms to determine the best route for a given packet.
当这些需求需要使用ESB基本功能(如消息路由、转换或协议中介)之一时，则ESB是最佳选择。
If the requirements call for one of the basic ESB functions, such as message routing, transformation or protocol mediation, an ESB would be the clear choice.
路由选择采用K条最短路径算法进行，备选路由集中首选最佳路由时考虑链路的代价、跳数和每一个链路上不可用波长数。
We adopt K shortest paths into routing and choose the best route in them considering link costs, links hops and the number of noutilized wavelength in a link.
在传输数据包的时候，先查询链路的ETX，选择ETX值最小的通路作为最佳路由通信。
When transmitting data, the first thing is looking up the link ETX value, and then choosing the path with the least ETX value to be the optimization route.
在传输数据包的时候，先查询链路的ETX，选择ETX值最小的通路作为最佳路由通信。
When transmitting data, the first thing is looking up the link ETX value, and then choosing the path with the least ETX value to be the optimization route.
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