Method and apparatus for two-phase commit in data...

Details Method and apparatus for two-phase commit in data... Method and apparatus for two-phase commit in data...

2006-10-24

2006-10-24

Najjar, Saleh (Department: 2155)

Electrical computers and digital processing systems: multicomput

Computer network managing

Network resource allocating

C707S793000

Reexamination Certificate

active

07127512

ABSTRACT:
Various methods and apparatus for synchronizing data between members of a web farm are disclosed. The web farm may include a primary member and at least one backup member. The web farm members may include modules for determining whether new data is available to the web farm; placing the web farm in a prepare state if new data is available; placing the web farm in a commit state if members of the web farm successfully receive the new data; and placing the web farm in an abort state if any of the members of the web farm do not successfully receive the new data.

REFERENCES:
patent: 6137862 (2000-10-01), Atkinson et al.
patent: 6188695 (2001-02-01), Przybysz
patent: 6243715 (2001-06-01), Bogantz et al.
patent: 6269080 (2001-07-01), Kumar
patent: 6785678 (2004-08-01), Price

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