System and method for implementing virtual adapters and...

Details System and method for implementing virtual adapters and... System and method for implementing virtual adapters and...

2007-01-30

2007-01-30

Jean, Frantz B. (Department: 2151)

Electrical computers and digital processing systems: multicomput

Network-to-computer interfacing

C709S212000, C709S245000, C719S311000, C719S312000, C710S001000

Reexamination Certificate

active

10186193

ABSTRACT:
A shared I/O subsystem that couples a plurality of computer systems to at least one shared I/O interface. The shared I/O subsystem includes a plurality of virtual I/O interfaces that are communicatively coupled to the computer systems. Each of the computer systems includes a virtual adapter that communicates with one of the virtual I/O interfaces. The shared I/O subsystem further includes a forwarding function having a forwarding table. The forwarding table includes a plurality of entries corresponding to each of the virtual I/O interfaces. The forwarding function receives a first I/O packet from one of the virtual I/O interfaces and uses the forwarding table to direct the first I/O packet to at least one of a physical adapter associated with the at least one shared I/O interface and one or more of other ones of the virtual I/O interfaces. The forwarding function also receives a second I/O packet from the physical adapter and uses the forwarding table to direct the second I/O packet to one or more of the virtual I/O interfaces.

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