Enterprise Administration > Implementing Windchill ESI > Implementing Windchill ESI in an ORACLE Applications Environment > Project Life Cycle Considerations > Performing Systems Integration (SI) Methodology Steps
  
Performing Systems Integration (SI) Methodology Steps
Depending on your business needs, your legacy systems, and the outcome of the gap analyses, some customization might be involved. This process would include the following standard PTC and Systems Integration (SI) methodology steps such as:
Determining a data migration and conversion strategy
Creating a functional design
Evaluating the system architecture
Creating a technical design
Developing, compiling, and performing unit tests
Conducting a functional test
Performing other tests
Deploying and going into a live production environment
Performing maintenance and administration tasks
Refer to the Windchill Enterprise Systems Integration Customizer's Guide - Oracle Applications for details.