Network forwarding device and method that forward timing packets through the device with a constant delay
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United States of America Patent
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Dec 15, 2009
Grant Date -
Nov 9, 2006
app pub date -
Apr 18, 2005
filing date -
Apr 18, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The variable latency associated with standard network forwarding devices is eliminated by forwarding timing packets through a network forwarding device with a constant delay. The network forwarding device of the invention time stamps timing packets that are received by the input ports with a predefined future time, and then outputs the timing packets from the output ports at the predefined time so that the transmission delay through the network forwarding device is the same from any port to any other port.
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