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Circuit arrangement for providing a back-up circuit for transmission devices in ring architectures that route MPLS packets
Circuit arrangement for providing a back-up circuit for transmission devices in ring architectures that route MPLS packets
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机译:用于为路由MPLS数据包的环形体系结构中的传输设备提供备用电路的电路装置
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摘要
In prior art, the provision of back-up circuits for ATM cells in ring-type structures is efficiently controlled using linear structures. According to the invention, this function is extended to ring-type MPLS network architectures as follows: linear MPLS structures are formed into a ring-type MPLS structure and two unidirectional MPLS connections which respectively connect the same switching devices and run in opposite directions are logically associated to one another, whereby the operating link and the back-up link are routed via different physical paths.
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