Chapter 6 

251

Order processing

database

Customer

Web site

Order processing

system

(legacy)

Adventure

Builder travel

agency

Suppliers

CRM system

(legacy)

Web site

database

CRM database

Figure 6.1

An Application Scenario

The order fulfillment center interacts with external business partners to com 

plete its workflow. For example, the order fulfillment center might rely on a sepa 

rate credit card billing service to process its customer billing. Some of its products

may be supplied directly by another vendor. The order fulfillment process initiates

multiple business processes for each external business with which it interacts.

Let's look at a different integration scenario. A human resources application,

designed for internal use only, may have a similar scenario to an e store, since it

concerns a new application that uses existing enterprise assets. However, the

application's internal use limits the scalability, performance, and security con 

cerns. The principal concerns with internal applications such as this are fast deliv 

ery time, platform heterogeneity, and the capacity to grow the application and

support multiple types of clients as the enterprise expands. The application may