Electrical computers and digital processing systems: multicomput – Multicomputer synchronizing
Reexamination Certificate
2006-04-18
2006-04-18
Thompson, Marc D. (Department: 2144)
Electrical computers and digital processing systems: multicomput
Multicomputer synchronizing
C707S793000, C711S141000
Reexamination Certificate
active
07032033
ABSTRACT:
Data stored on a server are synchronized with corresponding data on a plurality of client computers. To facilitate synchronization of the data, the data for a class of nodes on the server are provided with a version identifier (a serial number) that is incremented each time the data are modified on the server. During synchronization, the version identifier for the data stored on the client is transferred to the server, and the nodes stored on the client are updated by downloading nodes modified on the server since the last synchronization. Data on the client that have been modified are then uploaded to the server. Collisions between nodes of the data that have been modified on two different clients are detected, and a user is given an opportunity to resolve a collision.
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Kollmorgen Paul L.
Ledoux Eric
Anderson Robert M.
Microsoft Corporation
Phan Tam T.
Thompson Marc D.
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