Terms

Internet and WWW

• Internet
• WWW
  1. hypertext markup language
  2. hypertext transfer protocol

Services

• Commercial On-Line Services
  • Content and Services
    1. Airline Reservations
    2. Email
    3. Forums
    4. On line classes
    5. Stock brokerage
    6. Shopping
    7. Business Databases
  • AOL: Relationships with Media Companies
  • Software provided for user
  • Network Access
  • Nationally-based
• Internet Service Providers (ISP)s
  • National/Regional/Local
  • UUNET, PSI national ISPs.
  • Network Access
  • Academic Roots
  • Local and Regional
  • e.g. Colorado Supernet
  • Level of user support

Security

• Firewall
  • Idea: Separate Internet from your intranet
  • Techniques
    1. Physical disconnect
    2. Packet filter
    3. Proxy server
• Message Security
  • 5 elements
    1. Address Authorization
    2. Data Integrity
    3. confidentiality
    4. From/To non-repudiation
  • PGP Pretty Good Privacy
  • Key Management with PGP 209-210 212
  • PEM Privacy Enhanced Mail
  • Public and Private Keys

Hypertext importance to WWW

• Gui-based browsers and other applications
• Ease of use -- reading and authoring
• Use of Internet Addressing mechanism -- URL
• Structure
  1. Allows for the expression of relationship
  2. Organizes -- provides directory structure

Electronic Data Interchange why standards important

• Definition
  1. Electronic transmission
  2. Business info
  3. Structured information
  4. Standard or prearranged format
  5. Independent organizations
  6. Ideal: db to db
• Intercorporate (usually) computer-to-computer exchange
• Usually requires extensive negotiation
• Standards
  1. EDIFACT
  2. X.12
• Avoid rekeying -- avoid human intervention
• Interoperability
  1. Integration with other services
  2. Integration with other market segments
  3. Lots of different companies
  4. Different relationships supplier/supplyee

Digital Library -- Profitability

• Structured Data
  1. Transaction data
  2. Database
  3. Application files word spreadsheet
• Digital Documents
• Image -- scan im medical records
• Multimedia
  1. Sound
  2. Animation
  3. Video
  4. Html
  5. Vrml
• Shared vs non-shared data
• External data -- bank account -- at bank

Search 4 challenges

1. UI/ search expression/ context/ control sources etc.
2. Multimedia files
3. Information not indexed
4. Too much junk/not on internet
   1. Not digital
   2. Not global (stored on C:)

Advertising 4 ways

1. Web page
   • Corporate web page
   • Advertise on another site
   • Audience-based
   • Technical information/image (pull) information
   • Free web page
     1. Eventually charge for information (WSJ or NYT)
     2. Use page visit to gather market data
     3. Use market data (email address) to advertise additional services
2. Catalogs, indices, web-crawlers, yellow pages
3. Netscape, Explorer -- free software
4. Netnews, email, endorsements and testimonials
5. Spam

Consumer oriented Electronic Payment Systems 3 methods -- contrast

• Electronic checks
  • Like its paper equivalent
  • no-card
  • Email is one transport method
  • Pre-registration with 3rd party -- Account server
  • May require user credit card or other backing method
  • Transfer from registrants account to merchant
  • Financial risk taken by account server
  • Good for microtransactions
  • From home -- i.e. remote transactions
  • No card reader required
  • Can use secret key encryption
• Digital Tokens
  • e-purse no relationship
  • embedded microprocessor
• Smart Card
  • Relationship-based
  • Embedded microprocessor and/or-replaces magnetic strip
  • Credit card
  • Debit card
  • ==signed transaction
  • Multifunction card
  • From home -- smart phone with strip card reader
  • Also serves as an id card, medical information
• Characteristics:
  • Anonymous card
  • Signed card
  • Signed transaction
• Atlanta (Olympics) Experience with Digital Tokens
  • 80,000 $5 denomination cards given out at Opening Ceremonies
  • Profit from: float, lost or discarded cards, transaction fee
  • Fast food/Gas stations
  • Transaction size Problem?
  • Chicken and egg problem -- customer vs. vendor
  • Exact change
  • Trimet fareless MAX - boarding time
  • vending -- no person -- no change -- no robbery
• Conclusion: Need the right tool for right market

Intracorporate electronic commerce and productivity

• Intranet for HR/Benefits and production manuals
• personnel
• production/product
• Advantages
  1. Revision Controlled
  2. Avoid printing costs
  3. Instantaneous distribution throughout the company
  4. Employees can also find the information