IBM WebSphere Application Server - WAS for z/OS and DB2

Most WebSphere Application Server (WAS) for z/OS customers use DB2 for z/OS as the backend or data store. DB2 for z/OS is a high-performance DBMS, with a strong reputation for handling high-volume data access transactions. Picking the right WAS for z/OS and DB2 Subsystem connectivity architecture can greatly improve the system's performance, availability, scalability, security, and transactional capability.

This article will discuss the WAS for z/OS and DB2 Subsystem connectivity architectures and clear up the most confusing WAS for z/OS DB2 application development concepts. If not specifically stated, I'm speaking here of WAS for z/OS V5 (or later) and DB2 for z/OS V7 (or later).

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