Patent ID: 6061683
Filing Date: 2000-05-09
Classification: G06F,Y10S

Abstract:
A method for regulating access of remote computers to data of a server computer, comprising the steps of:a) storing a prescribable portion of the data of the server computer on a first computer as a first copy;b) performing at least one operation effecting a modification of the first copy on the first computer, by generating a second copy of the first copy and performing the at least one operation on the second copy;c) storing the at least one operation effecting a modification in a first command sequence;d) matching the data on the server computer with the data of the second copy on the first computer by transmitting the first command sequence from the first computer to the server computer and executing first command sequence on the server computer;e) matching the first copy to the second copy by transmitting a second command sequence that takes a modification of the data on the server computer that relate to the first copy into consideration from the server computer to the first computer and executing that command sequence on the first computer on the first copy; andf) whereby, when a second computer has modified that part of the data of the server computer of significance for the first computer since the creation of the first copy on the first computer, this modification performed on the data by the second computer is taken into consideration in the matching of the first copy on the first computer in that a third command sequence, which represents a modification performed by the second computer, is taken into consideration in the second command sequence in step e) insofar as the prescribable portion of the data of the first copy of the first computer is affected.