エンタープライズアーキテクチャフレームワーク
The Open Group Architecture Framework (TOGAF) - the Open Group Architecture Framework - a widely used framework including an Architectural Development Method and standards for describing various types of architecture.
Good enough architecture methodology - a methodology based on experiences, results and best-practices gathered through real-life implementations of various building blocks that altogether provide a realizable architecture and working solutions.
ARCON - A Reference Architecture for Collaborative Networks - not focused on a single enterprise but rather on networks of enterprises