System and method for implementing logical switches in a...

Details System and method for implementing logical switches in a... System and method for implementing logical switches in a...

2007-03-27

2007-03-27

Dalencourt, Yves (Department: 2157)

Electrical computers and digital processing systems: multicomput

Computer-to-computer data routing

C709S212000, C709S215000, C709S239000, C709S245000, C709S250000

Reexamination Certificate

active

10186333

ABSTRACT:
A shared I/O subsystem for a plurality of computer systems where a plurality of virtual I/O interfaces 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 also includes a plurality of I/O interfaces and a forwarding function. The forwarding function includes a plurality of forwarding table entries that logically arrange the shared I/O subsystem into one or more logical switches. Each of the logical switches communicatively couples one or more of the virtual I/O interfaces to one of the I/O interfaces. A logical switch receives a first I/O packet from one of the virtual I/O interfaces and directs the first I/O packet to at least one of the I/O interface and one or more of other ones of the virtual I/O interfaces. A logical switch also receives a second I/O packet from the I/O interface and directs the second I/O packet to one or more of the virtual I/O interfaces.

REFERENCES:
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