- This is the official Open Group Pocket Guide for TOGAF Version 9 Enterprise Edition. This pocket guide is published by VHP on behalf of The Open Group. TOGAF, The Open Group Architectural Framework is a fast growing, worldwide accepted standard that can help organisations build their own Enterprise Architecture in a standardised way. This book explains why the in's and out's of TOGAF in a concise manner. This book explains how TOGAF can help to make an Enterprise Architecture. Enterprise Architecture is an approach that can help management to understand this growing complexity.