Method of providing patches for software

Details Method of providing patches for software Method of providing patches for software

G - Physics

06

F

G06F 9/445 (2006.01)

Patent

CA 2517535

A method of providing patches for software installed on a plurality of client systems (2-5), each having at least a data processor (12) and memory (13-15) and each being programmed to maintain information representative of an actual patch level and to generate output data by processing input data provided to an installed application with data representative of a required patch level only if the actual patch level is in a pre-defined relation to the required patch level, includes obtaining computer program code for inclusion in a patch, the code being arranged to co-operate with at least part of the software installed on a client system (2-5) to perform a certain function after the patch has been applied in the client system, providing a first patch for application in at least one first client system with an instruction to update the actual patch level maintained in the client system (2-5) to reflect a next level. The method is characterised by providing a second patch for at least one other of the client systems (2-5) with an instruction to update the actual patch level maintained in the client system to reflect the next level. The code is provided only in the first of the first and second patches.

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