Electrical computers and digital processing systems: multicomput – Remote data accessing
Reexamination Certificate
2008-06-03
2008-06-03
Burgess, Glenton B. (Department: 2153)
Electrical computers and digital processing systems: multicomput
Remote data accessing
C709S224000, C702S187000, C702S188000
Reexamination Certificate
active
07383315
ABSTRACT:
A method and system for a delta page protocol for caching, replication, and client/server networking. Measurement data may be received by a logger application on a first computer, and written to shared memory sections in a modular fashion, including creating one or more header records to indicate a changed status. Each shared memory section may be independently accessible by a trender application executing in a second computer. In response to a query from the trender, the first computer may send a single message, a delta page. The header record may be used to determine the changed status of data sections. A single write operation may store the data values in a memory of the second computer. The trender may then read the first plurality of data values. The trender may present the retrieved data or requested data on a display. The logging and trending may be performed substantially concurrently.
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Fox, Jr. Dudley Wayne
Pierce David Mark
Bates Kevin
Burgess Glenton B.
Hood Jeffrey C.
Meyertons Hood Kivlin Kowert & Goetzel P.C.
National Instruments Corporation
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