Transport network tunnel setup based upon control protocol snooping
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United States of America Patent
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Oct 3, 2017
Grant Date -
Feb 9, 2017
app pub date -
Aug 6, 2015
filing date -
Aug 6, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
Rather than there being a requirement that specific instructions be issued to cause a transport network tunnel to be configured, it is proposed herein to have a transport node autonomously determine that a transport network tunnel is to be configured and, responsively, cause the transport network tunnel to be configured. In general, a transport node (an L0/L1 device) adjacent to the packet device at the origin of LACP messages snoops on the LACP messages. The transport node may determine, based on the contents of a control LACP message, that a new packet network link is to be established between the origin packet device and a destination packet device. Responsive to the determining, the transport node adjacent to the origin packet device causes a transport network tunnel to be established between one of its ports and a port at a transport node adjacent the destination packet device.
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