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Application Migration and Development Guide
Migrating AppServer and WebSpeed Applications : Migrating server configuration and management : Application packaging and installation

Application packaging and installation

PAS for OpenEdge supports a flexible variety of packaging and installation options, from installing applications into an existing PAS for OpenEdge instance to installing entire PAS for OE instances based on an existing installation. This flexibility comes from the fact that an ABL application is always installed as part of an OE ABL Web application deployed to the PAS for OpenEdge Web server. At the same time, this Web application can support all SOAP and REST Web service client, as well as ABL and Open Client access, to the same ABL application. Finally, the ABL application, itself, can be supported by multiple OE ABL Web applications on a single PAS for OpenEdge instance.
The following sections describe in greater detail how PAS for OpenEdge packaging and installation differs from that of the classic AppServer.
* Distribution packaging
* Installation process and updates