Check out http://bigtable.appspot.com/
It's basically a REST interface to the Google BigTable database service that is included with Google App Engine. This is simple, yet powerful stuff. And, this is just another example - see my earlier post on creating a simple blog engine on top of this infrastructure.
So, yeah. Your Google App Engine application could be an extension of some piece of the Google infrastructure. There are certainly some practical limitations here (like the current 500MB storage restriction).
But, at this stage, the right things are happening. We're playing with the capabilities that this PaaS provides, and figuring out, along the way, how we can use it as a piece of the utility. Is this stuff hard? Here's the quote:
- Created by Andrew Hitchcock one weekend.
Exciting times, to be sure.