Electrical computers and digital processing systems: memory – Storage accessing and control – Shared memory area
Reexamination Certificate
2011-01-25
2011-01-25
Patel, Hetul (Department: 2186)
Electrical computers and digital processing systems: memory
Storage accessing and control
Shared memory area
C711S153000, C711S163000, C711S203000, C714S005110, C714S006130
Reexamination Certificate
active
07877552
ABSTRACT:
A symmetric multiprocessing fault-tolerant computer system controls memory access in a symmetric multiprocessing computer system. To do so, virtual page structures are created, where the virtual page structures reflect physical page access privileges to shared memory for processors in a symmetric multiprocessing computer system. Access to shared memory is controlled based on physical page access privileges reflected in the virtual paging structures to coordinate deterministic shared memory access between processors in the symmetric multiprocessing computer system. A symmetric multiprocessing fault-tolerant computer system may use duplication or continuous replay.
REFERENCES:
patent: 4758951 (1988-07-01), Sznyter, III
patent: 6397242 (2002-05-01), Devine et al.
patent: 6907477 (2005-06-01), Altman et al.
patent: 7080375 (2006-07-01), Martin
patent: 7299337 (2007-11-01), Traut
patent: 7310721 (2007-12-01), Cohen
patent: 2002/0078308 (2002-06-01), Altman et al.
patent: 1999026133 (1999-05-01), None
International Search Report under the Patent Cooperation Treaty for PCT Application No. PCT/US06/19754 Search and Examination Report dated Oct. 17, 2007 (3 pages).
Supplementary European Search Report under Rule 62 of the European Patent Convention for Application No. EP 06 77 0856, Nov. 10, 2010 (6 pages).
Bissett Thomas D.
Corbin Stephen S.
Koyama Keiichi
Leveille Paul A.
Melnick Jerry
Fish & Richardson P.C.
Marathon Technologies Corporation
Patel Hetul
LandOfFree
Symmetric multiprocessor fault tolerant computer system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Symmetric multiprocessor fault tolerant computer system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Symmetric multiprocessor fault tolerant computer system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2660554