Method for implementing network protection combining network element dual homing and ring network protection
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United States of America Patent
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Jul 27, 2010
Grant Date -
Nov 29, 2007
app pub date -
Aug 6, 2007
filing date -
Apr 4, 2005
priority date (Note) -
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Abstract
A method for protecting a network comprising a first network element, which homes to a second network element and a third network element on the same ring network, the method comprising the steps of: establishing and transporting on the second network element a service from the first network element to the second network element, and detecting the status of the service; sending a switching message to the third network element upon detection of a failure of the service between the first network element and the second network element; and establishing and transporting a service as failed from the first network element to the second network element by the third network element, by using network resource of the ring network assigned on the second network element for the failed service prior to the failure of the service, in response to the switching message.
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