Electrical computers and digital processing systems: multicomput – Remote data accessing – Using interconnected networks
Reexamination Certificate
2007-12-06
2009-11-17
Nguyen, Quang N. (Department: 2441)
Electrical computers and digital processing systems: multicomput
Remote data accessing
Using interconnected networks
C709S224000, C709S226000, C709S227000, C709S229000
Reexamination Certificate
active
07620698
ABSTRACT:
In a distributed file system, when a user requests a computer to create a distributed file, a management computer acquires a list of computers complying with an allocation rule selected by the user from allocation rules taking the performance, security level, reliability level and utility rate into consideration. When the user requests the computer to access the distributed file, on the other hand, the partial files and the server information are collected from each computer. Each computer evaluates the allocation of the partial files based on the selected allocation rule and the server information from each computer, and if required, selects a destination computer and instructs the partial files to be moved to the destination computer.
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Hara Junichi
Iwasaki Masaaki
Sonoda Koji
Hitachi , Ltd.
Nguyen Quang N.
Townsend and Townsend / and Crew LLP
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