Invention Grant
US08078756B2 Computing a path for an open ended uni-directional path protected switched ring 有权
计算开放式单向路由保护交换环路径

Computing a path for an open ended uni-directional path protected switched ring
Abstract:
Methods and apparatus for enabling a protected circuit path to be created efficiently are disclosed. In accordance with one embodiment of the present invention, a method for creating a protected circuit path within an optical network system includes identifying a first node, a second node, and a third node. Once the nodes are identified, a pseudo link or a virtual link may be created between the second node and the third node. A first circuit path is then routed between the first node and the second node, and a second circuit path which protects that first circuit path is routed between the first node and the third node using the pseudo link.
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