Decoupled data stream and access structures

Details Decoupled data stream and access structures Decoupled data stream and access structures

2011-04-19

2011-04-19

Truong, Thanhnga B (Department: 2438)

Electrical computers and digital processing systems: support

Data processing protection using cryptography

By stored data protection

C713S159000, C713S172000, C713S185000, C711S111000, C711S112000, C711S113000, C711S114000, C726S002000, C726S009000, C726S020000

Reexamination Certificate

active

07930559

ABSTRACT:
Described are techniques for storing data. A plurality of data portions and a corresponding token for each of the data portions are received. Each of said plurality of data portions is to be stored by one of a plurality of processes and each token has a corresponding token value. Each of the data portions is stored at a storage location on a device allocated for use by one of said plurality of processes. An entry is written in a log file in accordance with said storing of the data portion. The log file is a private log file of one of the plurality processes. An access structure used to access stored data portions is updated. The access structure is indexed by token values of the stored data portions. The updating of the access structure is performed in accordance with log entries from private log files of the plurality of processes.

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