Purdue Enterprise Reference Architecture

Purdue Enterprise Reference Architecture (PERA), or the Purdue model, is a 1990s reference model for enterprise architecture, developed by Theodore J. Williams and members of the Industry-Purdue University Consortium for Computer Integrated Manufacturing. == Overview == PERA is a reference architecture that can model the enterprise in multiple layers and in multiple stages of the architectural life cycle.

Source: Wikipedia — Purdue Enterprise Reference Architecture (CC BY-SA 4.0)