Electrical computers and digital processing systems: multicomput – Network-to-computer interfacing
Reexamination Certificate
2008-07-22
2008-07-22
Flynn, Nathan (Department: 2143)
Electrical computers and digital processing systems: multicomput
Network-to-computer interfacing
C710S015000, C710S020000
Reexamination Certificate
active
07404012
ABSTRACT:
A shared I/O subsystem for a plurality of computer systems. The shared I/O subsystem includes a plurality of physical I/O interfaces and a plurality of virtual I/O interfaces where each of the computer systems is communicatively coupled to one or more of the virtual I/O interfaces. The shared I/O subsystem also includes a forwarding function having a forwarding table that logically arranges the shared I/O subsystem into one or more logical LAN switches. Each of the logical LAN switches communicatively couples one or more of the virtual I/O interfaces to at least one of the physical I/O interfaces. For each of the logical LAN switches, the forwarding function receives a data packet from any one from the group of the physical I/O interfaces and the virtual I/O interfaces, and directs the data packet to at least one from the group of the physical I/O interfaces and the virtual I/O interfaces. Two or more of the physical I/O interfaces may be aggregated to form a logical I/O interface by selectively altering entries in the forwarding table without reconfiguring the computer systems.
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Matters Todd
Rimmer Todd
Dennison J. Bret
Flynn Nathan
Klein O'Neill & Singh, LLP
QLOGIC Corporation
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