strategy+business explains how IT works best when tied closely to business goals, which using an Enterprise Architecture  helps ensure. Though the article explains little of what exactly an EA is, there’s plenty on the Web about it, including professional training and certification. An EA seems to rely on having a sound foundation of an ‘Operating Model’ of the business, which in turn ties together strategy maps, goals and policies.

But how do we ensure that operating model is indeed rigorous? I would start from ...