| 摘要 |
A method for communication includes representing a layer 2 ring network, which includes two or more ring nodes interconnected by two unidirectional ringlets, as a plurality of unidirectional point-to-point links connecting respective pairs of the ring nodes and having respective traffic engineering (TE) related attributes. The TE-related attributes of the point-to-point links are distributed to routers of a communication network that includes the ring network. The distributed TE-related attributes are processed to determine an optimal routing path traversing the ring network from a source node to a destination node in the communication network.
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