Systems and methods for collecting and analyzing data to determine link quality and stability in layer two networks
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United States of America Patent
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Mar 21, 2017
Grant Date -
Jan 21, 2016
app pub date -
Jul 21, 2014
filing date -
Jul 21, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A method and network element include receiving, at a receiver node, at least one of sender timestamps and sequence numbers in continuity check (CC) frames sent by a sender node; determining receiver timestamps at the receiver node; detecting instability based on one or more of the at least one of sender timestamps and sequence numbers and the receiver timestamps; and performing a remedial action based on the detecting instability. The CC frames can include Bidirectional Forwarding Detection (BFD) or Continuity Check Message (CCM) frames which are regularly transmitted in a session, but do not currently include timestamps or sequence numbers.
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