ENTERPRISE DATA MODELING: The basic building blocks of an EAI initiative

摘要

The newest buzz-word is Enterprise Application Interfaces (EAI) and everyone wants them now in their organizations. However, reality shows us just hooking together all the corporations' legacies applications together without planning will not buy you any of the promised improvements of the EAI architecture. It is necessary to create a data model of all the data in your enterprise, and map the data in each of your applications to a common information model, before you can realize the promise of EAI architecture. This paper will explain what an enterprise data model (also known as Common Information Model) is, the benefit of its creation, and how it makes the implementation of the EAI architecture possible. Then we will exam a case study of an actual implementation at PacifiCorp