When you move from the hyped phase of looking at a new notion, such as SOA, to the realities of actually doing something, you typically find that the hype somehow falls short. While I have not heard about widespread disappointment yet, it’s pretty much always an issue in the lifecycle of a TLA. This does not undermine the value of the notion of SOA, but you can’t really get “SOA in a box,” nor does “SOA 2.0” exist, perhaps because we never figured out what SOA 1.0 was, really. — Dave Linthicum. Has SOA really hit? Technology Industry