Next Generation Application Integration: From Simple Information to Web Services

Step 7: Map Information Movement

Once the preceding steps have revealed all the information available, it is time to map the information movement from system to system—what data element or interface the information is moving from, and where that information will ultimately move.

For example, the customer number from the sales databases needs to move to the credit-reporting system, ultimately residing in the customer table maintained by the credit system. This knowledge enables us to map the movement from the source system (the sales system), to the target system (the credit system). It should be noted where the information is physically located, what security may be present, what enabling technology exists (e.g., relational table), and how the ...