Upgrading to a New Release › Plan for an Upgrade › Construct an Upgrade Plan for Your Organization › Develop a Strategy for Existing Application Systems

Develop a Strategy for Existing Application Systems

Production applications are not directly affected by upgrading the development environment. But the model or models on which they are based are directly affected. Your strategies for upgrading applications include:

• Sufficient testing in the environment to ensure confidence that a new code generator does not affect future changes
• Evaluation of new features to be applied to the application

Note: For information about z/OS application migration, see z/OS Application Migration in the Release Notes.