| 摘要 |
In a GMPLS node provided with inter-node control protocols including GMPLS, when an adjacent node is in a failure state, path establishment is automatically accomplished by providing a temporary reply to a path establishment request source node in response to a path establishment request, securing a source of an intermediate route, repeatedly transmitting a path establishment request to the adjacent node in the failure state according to specified conditions after completion of temporary path establishment, performing a path establishment process for the remaining section when the adjacent node recovers from the failure, and then transmitting a path establishment completion notification message to the request source node.
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