The Migration viewpoint entails models and concepts that can be used for specifying the transition from an existing architecture to a desired architecture. Since the plateau and gap elements have been quite extensively presented in Section 13.2, here the migration viewpoint is only briefly described and positioned by means of the table below.

## Stakeholders:

Enterprise architects, process architects, application architects, infrastructure architects and domain architects, employees, shareholders

## Concerns:

History of models

## Purpose:

Designing, deciding, informing

## Scope:

Implementation and Migration