Virtualized I/O
US11275600B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | Nov 9, 2018 |
| Grant date | Mar 15, 2022 |
| Priority date | — |
| Expiry date | Mar 28, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2212/7201
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Distributed I/O virtualization includes receiving, at a first physical node in a plurality of physical nodes, an indication of a request to transfer data from an I/O device on the first physical node to a set of guest physical addresses. An operating system is executing collectively across the plurality of physical nodes. It further includes writing data from the I/O device to one or more portions of physical memory local to the first physical node. It further includes mapping the set of guest physical addresses to the written one or more portions of physical memory local to the first physical node.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.