Embedded end-to-end delay information for data networks
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United States of America Patent
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Mar 4, 2014
Grant Date -
Feb 28, 2013
app pub date -
Aug 25, 2011
filing date -
Aug 25, 2011
priority date (Note) -
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Abstract
A system comprises a plurality of nodes, at least one of the plurality of nodes configured to insert, on a per-virtual link basis, a delay value into a dynamic delay field of a frame corresponding to the respective virtual link, wherein the dynamic delay value represents latency of frames of the respective virtual link. The system also comprises a switch having a plurality of ports, each port coupled to one of the plurality of nodes. The switch is configured to route frames received from the plurality of nodes to one or more of the plurality of nodes. At least one of the plurality of nodes is configured to store frames received from the switch in a buffer and to update the value in the dynamic delay field to reflect the end-to-end system delay.
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