Deciding the migration mode of your Payments application

Before you use WCIM to perform your Payments application tier migration, consider the method you will use to migrate your instance.

  1. Migration using two machines:
    This type of migration migrates your current version of Payments application (which is installed on one machine) to the WebSphere Commerce, v6 Payments level (which is installed on a different machine). After migration, both your migrated Payments instance, on your WC 6.0 machine, and the original Payments instance can continue to function. For example, if you have a previous version of Payments application, you can migrate the application to WebSphere Commerce, v6 Payments level on another machine. The result will be that both original application and migrated application can run concurrently on the two machines.

  3. Migration using one machine: This type of migration will have both your previous version of WebSphere Commerce Payments and WebSphere Commerce Payments, v6 running on the same machine. For example, if you have a previous version of Payments application, then you can migrate the application to WebSphere Commerce, v6 Payments level on the same machine and leverage it. Whether both the original application and the migrated application can run concurrently on the same machine depends on if they use same database and web server port number.

  4. Multiple application tier migration: When migrating multiple Payments applications, decide whether you will be migrating on one machine or over two machines. Migrate each Payments application one-at-a-time until you have migrated your required application. Note that you will have to migrate the corresponding database for each application as well as completing any post application and database tier migration steps.

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