Invention Grant
- Patent Title: Method and system for cross-domain data sharing
- Patent Title (中): 跨域数据共享的方法和系统
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Application No.: US12138106Application Date: 2008-06-12
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Publication No.: US08037279B2Publication Date: 2011-10-11
- Inventor: Christoph L. Schuba , John B. Levon
- Applicant: Christoph L. Schuba , John B. Levon
- Applicant Address: US CA Redwood City
- Assignee: Oracle America, Inc.
- Current Assignee: Oracle America, Inc.
- Current Assignee Address: US CA Redwood City
- Agency: Osha • Liang LLP
- Main IPC: G06F13/00
- IPC: G06F13/00 ; G06F13/28 ; G06F12/00 ; G06F15/16 ; G06F9/46

Abstract:
A method for sharing data between a first domain and a second domain, including issuing a first request for data from a storage pool by the first domain, receiving the first request by a control domain driver in a control domain, obtaining the data by the control domain driver, storing a first copy of the data in shared memory at a first physical address, updating a hypervisor page map to include an entry associating a first pseudo-physical page number with the first physical address, notifying the first domain that the first request has been completed, issuing a second request for the data by the second domain, receiving the second request by the control domain driver, determining that the first copy of the data is present in the shared memory, and updating the hypervisor page map to include an entry associating the second pseudo-physical page number with the first physical address.
Public/Granted literature
- US20090313446A1 METHOD AND SYSTEM FOR CROSS-DOMAIN DATA SHARING Public/Granted day:2009-12-17
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