H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 12/42 (2006.01) H04L 12/433 (2006.01) H04L 12/56 (2006.01) H04L 12/66 (2006.01)
Patent
CA 2111074
TOKEN STAR BRIDGE ABSTRACT The invention includes a bridge having n ports (n > 1), each port being con- nected to a Token-Ring physical segment, each physical segment having one native Token-Ring workstation attached, said bridge comprising means for emulating to the workstations a single Token-Ring logical segment with a sin- gle Active Monitor and a single Ring Number. The invention allows to replace a MAC-per-port by a centralized function in- side a centralized processor; the frame handling function, due to the fixed and limited configuration (same bridge Active Monitor seen by all connected stations), does not require a multi-port bridge function, but a simpler switch function between ports. Bridge clocking is also simplified, and a cost effectiveUTP retiming solution is presented.
Basso Claude
Calvignac Jean
Verplanken Fabrice
Barrett B.p.
International Business Machines Corporation
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