Canonical Data Model

Pattern Catalog

Previous Previous   Next Next

Site HomePatterns HomeTable of Contents

I am designing several applications to work together through Messaging. Each application has its own internal data format.

How can you minimize dependencies when integrating applications that use different data formats?

Therefore, design a Canonical Data Model that is independent from any specific application. Require each application to produce and consume messages in this common format.

The Canonical Data Model provides an additional level of indirection between application's individual data formats. If a new application is added to the integration solution only transformation between the Canonical Data Model has to created, independent from the number of applications that already participate.

...

Related patterns: Format Indicator, Message Channel, Message Router, Introduction to Message Routing, Message Translator, Messaging, Messaging Mapper, Shared Database


Enterprise Integration Patterns Find the full description of this pattern in:
Enterprise Integration Patterns
Gregor Hohpe and Bobby Woolf
ISBN 0321200683
650 pages
Addison-Wesley
Creative Commons License Parts of this page are available under the Creative Commons Attribution license. You can reuse the pattern icon, the pattern name, the problem and solution statements (in bold), and the sketch under this license. Other portions of the text, such as text chapters or the full pattern text, are protected by copyright.

HomePatternsTable of ContentsPrevious Previous   Next Next