PowerBuilder® 9: Internet and Distributed Application Development

Distributed Architecture Concepts

When we look at distributed architectures, it's apparent that the “big picture” definition hasn't changed. In fact, a browser-based application in this modern Internet era is often likened to the “dumb terminal” applications of 20 years ago. The need for the processing hasn't changed. A client interacts with logic that manipulates data and responds. What's different is the location of each of these elements, and how the elements interact with each other. There is a huge dependency now on the target platforms, communication protocols, and object models used by different vendors. In order to build an application that can “live on the internet,” all of these facets of distributed architecture are needed. This section ...