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    • 1. 发明授权
    • Routing method and routing system for switching system having a
plurality of paths
    • 具有多个路径的交换系统的路由方法和路由系统
    • US5084867A
    • 1992-01-28
    • US584653
    • 1990-09-19
    • Tetsuo TachibanaToshimasa FukuiTetsuo NishinoOsamu IsonoRyuji HyodoEisuke Iwabuchi
    • Tetsuo TachibanaToshimasa FukuiTetsuo NishinoOsamu IsonoRyuji HyodoEisuke Iwabuchi
    • H04Q11/04H04L12/931
    • H04L45/10
    • A routing method routes cells which are transferred through one of a plurality of paths within an asynchronous transfer mode (ATM) switching system selected by routing information. The routing method includes the steps of adding first routing information to incoming cells at an input stage of the ATM switching system when supplying the cells to the ATM switching system, generating a route switching confirmation cell in response to a route switching instruction and for adding second routing information to incoming cells thereafter so as to supply the route switching confirmation cell and the cells added with the second routing information to the ATM switching system. The second routing information is different from the first routing information and is determined by the route switching instruction, comparing routing information. The method also includes the cells with the second routing information at an output stage of the ATM switching system in response to the route switching instruction, and outputting each cell from the ATM switching system having routing information different from the second routing information as it is. The method also includes temporarily storing each cell from the ATM switching system having routing information identical to the second routing information and reading out and outputting the stored cell after the route switching confirmation cell is output from the ATM switching system.
    • 路由选择方法通过路由信息选择的异步传输模式(ATM)交换系统中的多条路径中的一条路由传送小区。 该路由方法包括以下步骤:在ATM交换系统的输入级向ATM交换系统提供小区时,将第一路由选择信息添加到移动小区,根据路由切换指令生成路由切换确认小区,并添加第二路由信息 然后将信息路由到传入的信元,以便向ATM交换系统提供路由交换确认信元和添加有第二路由信息的信元。 第二路由信息与第一路由信息不同,并且由路由切换指令确定,比较路由信息。 该方法还包括响应于路由切换指令在ATM交换系统的输出级具有第二路由信息的小区,并且从具有不同于第二路由信息的路由信息​​的ATM交换系统输出每个小区。 该方法还包括临时存储具有与第二路由信息相同的路由信息​​的ATM交换系统的每个小区,并且在从ATM交换系统输出路由切换确认信元之后,读出并输出所存储的小区。