System and method for a shared I/O subsystem

Details System and method for a shared I/O subsystem System and method for a shared I/O subsystem

2008-08-27

2010-11-30

Boutah, Alina N. (Department: 2443)

Electrical computers and digital processing systems: multicomput

Computer-to-computer session/connection establishing

C709S217000, C709S218000, C709S219000, C709S228000, C709S229000, C709S238000, C710S005000, C710S036000, C710S037000, C710S038000, C711S111000, C711S112000, C711S113000, C711S114000

Reexamination Certificate

active

07844715

ABSTRACT:
A computer system that includes a plurality of servers, and a shared I/O subsystem coupled to each of the servers and to one or more I/O interfaces. The shared I/O subsystem services I/O requests made by two or more of the servers. Each I/O interface may couple to a network, appliance, or other device. The I/O requests serviced by the shared I/O subsystem may alternatively include software initiated or hardware initiated I/O requests. Different servers coupled to the shared I/O subsystem may use different operating systems, and each I/O interface may be used by two or more servers.

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