Upgrade Concepts
Some of the key upgrade concepts that will be discussed before diving deeply into the upgrade tools and the actual planning and execution of the upgrade include the definition of technical downtime compared to business downtime, system switch upgrade, deciding on an upgrade strategy, and upgrade software logistics. The following sections will discuss these topics in detail. The upgrade concepts discussed here are applicable to both ABAP and Java stacks.
Technical Downtime vs. Business Downtime
The duration of time the system is not available as a result of the upgrade of the technical components of the SAP system is referred as technical downtime. Technical downtime is defined from the point of view of the technology team and ...
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