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Chapter 21. Putting It All Together > Case Study: Business-to-Business System

Case Study: Business-to-Business System

Now let us consider in detail a system for businesses selling primarily to other businesses. A high-level diagram of such a system is shown in Figure 21-6. This system represents a sell-side Internet commerce system for an integrated manufacturing company. The internal operations of the business are managed by a commercial enterprise resource planning (ERP) system, as discussed in Chapter 18. The ERP system will remain responsible for all sales and logistics, including new business obtained over the Internet. In addition, the company wants its Internet users to have access to all of their open orders and quotes, not just to those originally created over the Internet. Consequently, to a substantial degree this B2B system is providing a front end for the existing ERP system, routing and translating existing business documents as well as permitting users to compose new orders using a catalog-oriented Web interface rather than the forms metaphor of the ERP system.

Figure 21-6. Enterprise E-Business Architecture



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