Multiplex communications – Data flow congestion prevention or control – Flow control of data transmission through a network
Reexamination Certificate
2007-02-27
2009-06-02
Pham, Chi H. (Department: 2416)
Multiplex communications
Data flow congestion prevention or control
Flow control of data transmission through a network
C370S360000, C370S396000, C370S398000, C370S400000
Reexamination Certificate
active
07542423
ABSTRACT:
The present invention relates to a method and apparatus for balancing loads in a switching fabric. The switching fabric comprises a plurality of data ports through which data frames enter or exit the switching fabric. In one embodiment, the apparatus includes a buffer and a routing data generation circuit. The buffer receives a data frame to be transmitted to a destination device via the switching fabric. The routing data generation circuit is coupled to the buffer. The routing data generation circuit generates and adds routing data to the data frame received by the buffer. The routing data identifies one of the plurality of data ports through which the data frame will exit the switching fabric to reach the destination device. After the routing data is added to the data frame, the buffer transmits the data frame to the switching system.
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Lundberg Hans F.
Morishige Kevin D.
Campbell Stephenson LLP
Cisco Technology Inc.
Hom Shick
Pham Chi H.
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