Time frame switching responsive to global common time reference
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United States of America Patent
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May 11, 2004
Grant Date -
N/A
app pub date -
Mar 28, 2000
filing date -
Nov 9, 1999
priority date (Note) -
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Abstract
A time frame switching method and system of data units that utilize a global common time reference, which is divided into a plurality of contiguous periodic time frames. The system is designed to operate with high-speed wavelength division multiplexing (WDM) links, i.e., with multiple lambdas. The plurality of data units that are contained in each of the time frames are forwarded in a pipelined manner through the network switches, and can be switched from any incoming WDM channel to any subset of outgoing WDM channels responsive to the global common time reference. The outcome of this switching method is called fractional lambda switching.
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