Tech Freedom Circle

Sep 29, 2025 · R&D Management

Mastering the Five Enterprise Architecture Frameworks: TOGAF, Zachman, OEA, ITSA, and DODAF

This article provides a deep dive into the five major enterprise architecture methodologies—TOGAF, Zachman, OEA, ITSA, and DODAF—explaining their core principles, step‑by‑step implementation processes, a detailed omni‑channel order and marketing platform case study, and a comparative analysis to help architects choose the right framework for their projects.