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Electrical computers and digital processing systems: multicomput – Master/slave computer controlling

Reexamination Certificate

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C717S168000

Reexamination Certificate

active

07917596

ABSTRACT:
Described herein are techniques for using super masters to coordinate accesses by nodes in a database server cluster to data stored in a database. In many cases, the number of inter-nodal messages is reduced, thereby saving the overheads attendant to coordinating accesses in such a system.

REFERENCES:
patent: 7702741 (2010-04-01), Yuan et al.
patent: 2003/0128702 (2003-07-01), Satoh et al.
patent: 2006/0155802 (2006-07-01), He et al.
patent: 2007/0185872 (2007-08-01), Ho et al.
patent: 2009/0037553 (2009-02-01), Yuan et al.
patent: 2009/0313310 (2009-12-01), Thome et al.
Oracle9iReal Application Clusters Concepts, “Cache Fusion and the Global Cache Service” Release 1 (9.0.1), Part No. A89867-02, http://download.oracle.com/docs/cd/A91202—01/901—doc/rac.901/a89867/pslkgdtl.htm created Feb. 19, 2003, accessed Jun. 8, 2009.

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