There’s no doubt that an application becomes exponentially more valuable as the number of data sources it connects to increases. The challenge is managing that process. While the rise of application programming interfaces that make it simpler to invoke another application has dramatically increased the usefulness of application software, trying to manually manage that process via a series of point-to-point connections winds up being overly cumbersome.
Google focused on application management with its latest release 1.3.8 of App Engine, its platform-as-a-service offering. Along with performance improvements, Google added a handful of useful administrative tools, which make it easier for developers to see their application's status.