chap14.ppt 316KB May 20 2010 09:29:48 PM
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Sales Sales Orders Orders Sales Sales Orders Orders Report Report Sales Sales Orders Orders Sales Sales Orders Orders Edit Sales Orders Enter Sales Order Data Prepare
External External Services Services Border Router Border Router IP Choke IP Choke Protocol Filter Protocol Filter Internal/External Internal/External Service Gateway Service
Sales Sales Orders Orders Sales Sales Order Order Data Data Sales Sales Order Order Report Report Enter Sales Enter Sales Orders Orders Edit Sales Edit Sales Orders
Reverse Reverse Engineering Engineering Reverse Reverse Engineering Engineering Reverse Reverse Planning Planning Phase Phase Analysis Analysis Phase Phase Design Design
Detailed Study Detailed Study Alternative Alternative Input Input Order Order Log Log Customer Customer Credit File Credit File Accepted & Accepted & Rejected Rejected
Telephone company company Local Local loop loop User’s User’s modem modem Microwave Microwave tower tower Microwave Microwave tower tower IXC circuit IXC
Paid Payables Records Paid Payables Records Paid Supplier Paid Supplier Data Data Accounts Accounts payable payable file file Accounts Accounts payable payable
– Periodic reports, special reports, simulations Periodic reports, special reports, simulations Similar needs Similar needs. – Functional area
