Virtual counter for data rate conversion
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United States of America Patent
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Oct 11, 2005
Grant Date -
Jan 29, 2004
app pub date -
May 1, 2003
filing date -
May 16, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A virtual counter for dynamically calculating memory addresses at a digital switch that receives data streams of different data rates. The switch has a memory that is divisible into partitions with each partition being divisible into multiple locations. A virtual counter is implemented for each data stream in a rate conversion architecture at the switch to optimize usage of the switch memory. An input virtual counter is used to calculate a data memory address and an output virtual counter is used to calculate a connection memory address.
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