Method and system for verifying connectivity of multi-segment pseudo-wires by tracing
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United States of America Patent
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Aug 24, 2010
Grant Date -
Apr 24, 2008
app pub date -
Oct 19, 2006
filing date -
Oct 19, 2006
priority date (Note) -
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Abstract
A method for testing connectivity of a multi-segment pseudo-wire in a packet switched network, the method comprising: (a) sending an echo request message from a first provider edge device to a second provider edge device for a first segment of the multi-segment pseudo-wire between the first provider edge device and the second provider edge device; and, (b) receiving an echo reply message from the second provider edge device in response to the echo request message, the echo reply message: confirming connectivity of the first segment; indicating whether there is a second segment in the multi-segment pseudo-wire between the second provider edge device and a third provider edge device; and, if there is a second segment, including information pertaining to the second segment.
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