Use cases, cont'd
- Conversation exchange in a procurement process: B requests
price quotation; S gives quote; B places purchase order; S accept;
S offers delivery dates; B accepts; B acks delivery; S acks;
B pays; S sends receipt.
- Bank A buys Bank B. Bank A has always used SAP for internal
processes; Bank B uses IBM dbms running PeopleSoft software.
You work for the IT department; you now have three weeks to
provide access to the customer records of Bank B to the Bank A
systems. Oh, and your colleagues in Bank B don't trust you yet.
- Amalgamated Interkludge runs a Huge Mainframe Application
which handles queries submitted through a proprietary message
queueing system. Your job: provide Web access to the HMA.