RECOGNITION OF AND SUPPORT FOR MULTIPLE VERSIONS OF AN ENTERPRISE CANONICAL MESSAGE MODEL

A method of recognizing and supporting multiple versions of a canonical message model in a service oriented architecture industry model repository comprising determining differences between at least one first version of a message model and at least one other version of the message model; mapping the differences between the different versions of the message models to the SOA IMR; and providing the mapping of the differences between the message models to a message access service, mapping of differences between the message models are applied and updated to the later of the message models to support the versions of the canonical message models seamlessly.