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US08902729B2 Method for fast-re-routing (FRR) in communication networks 有权
通信网络中快速重路由(FRR)的方法

Method for fast-re-routing (FRR) in communication networks
Abstract:
A method is described to enable carrying out a fast reroute protection technique which provides both link and node protection without traffic duplication, without the need to distinguish between link and node failures, and without replicating traffic. The technique covers concurrent Working and backup logical path failures, and in particular LSP logical paths. The method is adapted to provide a “Dual Failure Protection” (DFP), and is expandable to various multi-failure scenarios.
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