SOA filling the Gaps

I recently read a post by ZapThink 's analyst Jason Bloomberg titled:  Continuous Business Transformation: At the Center of ZapThink 2020 According to that post the permanence of change drives how we run our organizations,but it is against our human quest for stability. As far as Enterprise Architecture is concerned, he notes that the To-Be Architecture organizations trying to move to from current As-Is Architecture is a moving target: There will never be a stable Enterprise Architecture. I do agree that Architecture is dynamic in nature, however we should look more deeply at the characteristics of that ever changing process.   Does Enterprise Architecture evolve linearly or  Spiraly? I use the term linear for describing any type of monotonic evolution, just because linear is simpler than other monotonic fuctions. In my opinion as described in a previous post it is spiral . Yesterday, I encountered a SaaS example supporting my case. I looked at an old Giga Informa...