Switching methods with common time reference and plurality of time frame durations
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United States of America Patent
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Feb 13, 2007
Grant Date -
May 16, 2002
app pub date -
Sep 21, 2001
filing date -
Jul 22, 1998
priority date (Note) -
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Abstract
A time frame switching method and system of data units that utilize a common time reference, which is divided into a plurality of contiguous periodic time frames. The system is designed to operate with time frames, which have a plurality of predefined time durations. The plurality of data units that are contained in each of the time frames are forwarded in a pipelined manner through the network switches. The system operates with high-speed wavelength division multiplexing (WDM) links, i.e., with multiple lambdas, having a plurality of transmission capacities. The outcome of this method is called fractional lambda switching with a plurality of time frame durations.
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