Electrical computers and digital processing systems: multicomput – Computer-to-computer data modifying
Patent
1998-10-14
2000-11-07
Matar, Ahmad F.
Electrical computers and digital processing systems: multicomput
Computer-to-computer data modifying
709204, 709219, G06F 1516
Patent
active
06145012&
ABSTRACT:
A method of transferring a file is executed by a client computer under control of a first program portion and is alsoexecuted by a server computer under control of a second program portion. The server computer stores a baseline file having baseline data. The client computer stores a local file that is a modified baseline file having modified data. The client computer is coupled to the server computer. First tier baseline reference keys are generated for and associated with first tier subsets of the baseline data stored in the baseline file. First tier client reference keys are generated for and associated with first tier subsets of the modified data stored in the local file. When the associated reference keys match, one of the first tier subsets of baseline data is transferred to a destination file stored on the server computer. When the associated first tier baseline and client reference keys do not match, a second tier baseline reference key is generated for and associated with a second tier baseline subset of one of the first tier subsets of the baseline data. At least one second tier client reference key is generated for and associated with a second tier client subset of one of the first tier subsets of the modified data. The second tier baseline subset or second tier client subset is transferred to the destination file based on the associated second tier baseline and client reference keys.
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Matar Ahmad F.
VERITAS Software Corporation
Winder Patrice
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