A B2B-style Working Example

Our example for this chapter will focus on the simple task of building a system that communicates product price updates to several resellers or divisional units. As our example company, we'll use Red Planet Electronics, which produces thousands of electronic parts that are priced individually. All products and prices are kept in a corporate database, and Red Planet needs to update the prices to several resellers located throughout the country. These updates are done per item, whenever the Red Planet manufacturing price changes. The flow of data between Red Planet and its resellers is shown in Figure 9-1.

Figure 9-1. Relationships of Red planet and its resellers

Resellers process the updates in two steps. First they ...

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