Target FEC (forwarding equivalence class) stack based FEC query in segment routing environments
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United States of America Patent
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Mar 19, 2019
Grant Date -
Jan 25, 2018
app pub date -
Aug 31, 2016
filing date -
Jul 21, 2016
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Abstract
In one embodiment, a method includes generating a first trace request at an initiator node configured for segment routing, the first trace request comprising a query for FEC (Forwarding Equivalence Class) information, transmitting the first trace request on a path comprising at least one node wherein FEC details for the node are unknown by the initiator node, receiving a response to the first trace request comprising the FEC information, transmitting a second trace request with the FEC information, and receiving a response to the second trace request providing FEC validation. An apparatus is also disclosed herein.
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