Invention Grant
US07161898B1 Common protection architecture for optical network 有权
光网络通用保护架构

Common protection architecture for optical network
Abstract:
A communication network is arranged in a ring configuration of network elements (12) coupled by working spans (16) associated protection spans (18), with multiple rings sharing network elements (12a and 12b). A shared protection span (18ab) is coupled between pairs of shared network elements (12a and 12b). A matrix 28 in a shared network element (12a or 12b) can couple any channel from one of the incoming working spans or protection spans to any channel of the shared protection span (18ab).
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