The following text is adapted from the Wikipedia write-up on the Purdue Enterprise Reference Architecture (PERA) at https://en.wikipedia.org/wiki/Purdue_Enterprise_Reference_Architecture.
The Purdue Enterprise Reference Architecture model is a reference model for enterprise architecture, developed in the 1990s by Theodore J. Williams in cooperation with members of the Purdue University Consortium for computer integrated manufacturing. The Purdue model is used to describe the multiple layers or levels in an enterprise architecture. The Purdue Reference Model divides an enterprise into five distinct levels:
The levels are as follows:
- Level 0: The physical process: Defines the actual processes used ...
