In this course, we use the term e-commerce in its broadest sense, i.e. anything using computers and the Internet to conduct their activities.
Banks use Electronic Funds Transfer (EFT); known as Bank Automatic Clearing System (BACS) in the UK
Businesses use Electronic Data Interchange (EDI)
Secure, but expensive, private Value Added Networks (VANs) connecting Trading Partners (TPs) as illustrated in Figure 1.
Monthly rental plus per-transaction charge.
Moving onto the Internet/WWW changes the business model => Intranets => Extranets => Virtual Private Networks (VPNs).
According to Schneider & Perry [Schneider 2000], this started in pre-history when our ancestors decided to specialise their everyday activities and so Self-sufficiency => Bartering => Currency => Commerce. Figure 2 considers a commercial transaction from two points of view.
Buyer\'s Standpoint Seller\'s Standpoint
Perishable food products Investment and insurance Hardware