Full virtualization of resources across an IP interconnect...

Details Full virtualization of resources across an IP interconnect... Full virtualization of resources across an IP interconnect...

2011-03-08

2011-03-08

Lane, Jack A (Department: 2185)

Electrical computers and digital processing systems: memory

Address formation

Address mapping

C711S006000, C709S212000, C709S216000, C709S245000

Reexamination Certificate

active

07904693

ABSTRACT:
An addressing model is provided where devices, including I/O devices, are addressed with internet protocol (IP) addresses, which are considered part of the virtual address space. A task, such as an application, may be assigned an effective address range, which corresponds to addresses in the virtual address space. The virtual address space is expanded to include Internet protocol addresses. Thus, the page frame tables are also modified to include entries for IP addresses and additional properties for devices and I/O. Thus, a processing element, such as an I/O adapter or even a printer, for example, may also be addressed using IP addresses without the need for library calls, device drivers, pinning memory, and so forth. This addressing model also provides full virtualization of resources across an IP interconnect, allowing a process to access an I/O device across a network.

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