Three things are to be looked to in a building: that it stand on the right spot; that it be securely founded; that it be successfully executed.
|--Johann Wolfgang von Goethe|
In Part One of this book, we discussed issues of business, architecture, and implementation. In Part Two, we discussed implementation technologies for various aspects of Internet commerce. In this chapter, we try to assemble the pieces into complete systems. There are many workable ways to build Internet commerce systems; the approaches we describe here are but a few examples.
We will first present an architecture for a federated commerce system. Next, we describe a core system architecture and its requirements, ...