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Deployment of Applications 
The SAP Web Application Server (Java) provides a number of tools to deploy applications.
Software
Deployment Manager(SDM) In particular for
· Administrators to deploy SAP Support Packages. The SDM guarantees correct versioning.
· Developers and administrators to deploy applications that they have not created themselves

The SDM is connected to the SAP NetWeaver Developer Studio and is automatically used for deploying from the Studio.
Deploy
Service (Visual
Administrator)In particular for
· Deploying applications at runtime (with no versioning)
· Starting, stopping, and updating applications
· Updating individual files
·
