Editor's note: This is the second part of a series examining the role network as a service can play in enterprise environments. Part one discussed how NaaS looks in action.

A recent survey of enterprise network buyers showed that more than 80% agreed with this statement: "New trends in network are almost always exaggerated."

Certainly, there's hype in any technology area, but a big part of the cynicism reflected here can be attributed to the fact that it's often difficult to determine the target value proposition for a new networking concept. It's even more important to determine when a new technology is not the best thing to consider. And that's true of Network as a Service