In RAMP stage 3, which is optional, you can create an application that can execute using server platforms other than the IBM i, for example Windows or Linux servers are possible.
If you are an ISV then your existing or new customers will probably welcome the new options that this opens up for them.
Your application can be generated into various 3GL languages to ensure maximum execution efficiency on the various server platforms such as .NET or WebSphere.
The re-engineering process may use any technology, for example you might choose to use an: