Access to Legacy Applications and Data

Scenario: Using Data Provider to Gain Access to Host Files

With the data provider, you can gain access to file data on an IBM host from a Windows 2000 Server–based Web application. Suppose that you want to add content from a legacy file that is stored on an IBM mainframe or AS/400 computer to an ASP application running on IIS 5.0. ASP can interpret user requests and format the return of data to the user through Web pages. The data provider can process calls from the IIS 5.0 environment and pass data returned from the mainframe environment to IIS.

This scenario requires six main steps:

• Step 1 (setup and configuration): Configuring the Data Provider
• Step 2 (design time): Defining Application Requirements
• Step 3 (design time): Writing the Application
• Step 4 (design time): Testing the Application
• Step 5 (deployment): Deploying Application Components
• Step 6 (post-deployment): Maintaining the Application

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