Patent ID: 6385770
Filing Date: 2002-05-07
Classification: G06F,Y10S

Abstract:
Method of upgrading a software system on data processing means with a plurality of software system upgrade steps, each of the upgrade steps for upgrading the software system from one software system version to a subsequently released software system version, including:executing a first part of an upgrade framework, the upgrade framework comprising tasks identical for each of the plurality of software system upgrades, for example including copying of static data from a source system (SPU) to a target system (TPU) and/or logging dynamic data in an event log; executing a plurality of upgrade contents, each of the upgrade contents comprising tasks specific for the corresponding software system upgrade, whereby the upgrade contents are executed in the order of the release of the corresponding software system versions; executing tasks of a second part of the upgrade framework, for example including the switching of communication links from the source system to the target system.