Method and apparatus for establishing trail network
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United States of America Patent
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Jun 12, 2018
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app pub date -
Feb 3, 2016
filing date -
Aug 8, 2013
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Abstract
A method and an apparatus establish a trail in a network, where the method includes: in a process of establishing a first trail, adding, by a first ingress node to a first trail establishment response message, an IP address of the first ingress node and an optical domain; and in a process of establishing a second trail, receiving, by the first ingress node, a first trail request message sent by a second ingress node; and sending, by the first ingress node to the second ingress node in the optical domain, information about a trail that is of the first trail and is in the optical domain to which the first ingress node belongs. According to the embodiments, that a trail that is of a working trail and a protection trail are in each optical domain do not overlap can be met.
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