Protection method and system for multi-domain network, and node
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United States of America Patent
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Oct 31, 2017
Grant Date -
May 12, 2016
app pub date -
Dec 29, 2015
filing date -
Jun 29, 2013
priority date (Note) -
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Abstract
In the field of network communications, a protection method for a multi-domain network includes: after a second node detects that a first link fails, disconnecting a first protection path on the node, connecting a first sub-path and a path that is within a second domain, uses the second node as an endpoint, and is used to bear a service; sending, on the first sub-path, a first failure monitoring message that carries first maintenance information to a third node, where the first maintenance information is the same as second maintenance information carried in a second failure monitoring message; the second failure monitoring message is a message that is sent on the first protection path by a first node to the third node and is used to monitor a failure of the first protection path.
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