Engineering the Architecture Tailor the approach to the organization
	l Uniformity Approach – Merges all layers into a single uniform system – Virtue is simplicity, challenges in governance, flexibility l Partial Uniformity by Template – Common, guaranteed elements in merged layers – Often a good initial compromise, limits in flexibility l Integration by Catalog – Adds separate classification, retrieval and presentation – Integrates information from ERP transactional systems – Requires substantial greater effort, growing COTS – Significant rewards in flexibility, particularly in large decentralized businesses l Integration by Taxonomy Generation – Implicit catalog, retrieval, presentation – Just now becoming possible with ATG Portals