FMany
extranets are operated by third parties and involve hundreds or thousands of industrial members and
users. Ex:
–Enterprise Integration Network - microelectronics & computers
–Dow Jones PowerHub, real time electricity trading systems linking power utilities
–Powerag, linking makers
and users of fertilizers, pesticides and agricultural chemicals
–Partnernet - affecting thousands of wholesalers and retailers and changing patterns of wholesale distribution
–Virtual Emporium
- uses an extranet to maintain a very large virtual mall on the Internet
–VHA Extranet
- an alliance of 1,400 health care organizations, doing $8 billion in commerce a year