System for controlling look-ups in a data table in a network switch
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United States of America Patent
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Jun 17, 2003
Grant Date -
N/A
app pub date -
Oct 12, 1999
filing date -
Dec 19, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system including an ordered data table containing linked lists of MAC addresses has a multiplicity of search engines which have their access to an LRU engine under the control of a token which is passed from one search engine to the next when the LRU engine has completed reordering the table after an address look-up. The system avoids conflicts between searching and reordering and allows reordering to be performed at a controlled rate.
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