The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 25, 2014
Filed:
Aug. 25, 2008
Applicants:
Jun Suzuki, Tokyo, JP;
Youichi Hidaka, Tokyo, JP;
Takashi Yoshikawa, Tokyo, JP;
Inventors:
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 13/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
Virtual Functions (VFs)-to-N of an I/O device are separately allocated to a plurality of computers-to-N. In an address swap table, a root domain that is an address space of the computerand mapping information of an I/O domain that is an address space unique to the I/O deviceare registered. Mapping is set with the VFs-to-N as units. When accessing the VFs-to-N of the I/O deviceto which each of the computers-to-N is allocated, an I/O packet transfer unitchecks the address swap tableto swap source/destination addresses recorded in packet headers.