E-Commerce and
E-Business
Miguel Rebollo
Introduction to Computer Science 2010-2011
Aims
•
Describing the phases a company goes through using Internet for business•
Describing the forms of e-commerce•
Describing the purpose and uses of intranets and extranets•
Describing the use od web sites to support commercial transactionsContents
1. E-Commerce in perspective2. Intranets: internal business processes 3. Extranets: business alliances
4. B2C: customer-centered web design
5. Technical requirements for e-commerce 6. Ethical issues of e-commerce
•
Created in 1994•
Opened in July 1995as a virtual book-stores
•
20 mill. customers in 160 countries•
Survivor of .dot crises•
Powerful recommendation system Jeff Bezo s. Ama zo n fo und erE-commerce in
Perspective
Sharing business information, maintaining business relationships and conducting business
transactions through the use od telecomm. networks
E-comm Transforms
Business
•
.com companies (virtual)•
Essential, or at least important for the rest•
Increases speed and efficiency of business processes•
Variants: e-commerce (electronic) i-commerce (internet)E-Comm Models
B C B C business-to-business (B2B) business-to-consumer(B2C) consumer-to-business (C2B) consumer-to-consumer(C2C)Intranets
•
Basis for B2E: internetsupporting internal activties
•
Improve comm. inside the company•
Advantages•
cross-platform•
open standardsCharacteristics of a B2E
Intranet
•
physical tech: LAN with Ethernet•
middleware: software which handles physical comm. (TCP/IP based)•
firewall sw for security•
standard web applications:Characteristics of a B2E
Intranet
•
physical tech: LAN with Ethernet•
middleware: software which handles physical comm. (TCP/IP based)•
firewall sw for security•
standard web applications:How To Use B2E
Intranets
•
Information access for employees:centralised databases with a common interface
•
Collaboration and teamwork:distribute information, remote working groups
•
Internal business transactions:Extranets
Business Alliances
•
Link intranets of different companies (e-marketplaces)•
Activities between trusted business partnersFunctionalities
•
place orders•
check stock level•
confirm inoice statusExtranets
with Public Networks
•
use public, open comm. lines without additional security mechanisms•
low cost, but low security (and high risk)Extranets
with Public Networks
•
use public, open comm. lines without additional security mechanisms•
low cost, but low security (and high risk)Extranets with VPN
•
use public, open comm. lines•
an special protocol creates a virtual tunnel across the intranetsExtranets with VPN
•
use public, open comm. lines•
an special protocol creates a virtual tunnel across the intranetsExtranets
with Private Networks
•
physically attached lines (leased)•
high cost•
high security levels•
extent of access for external users (only business partners)Extranets
with Private Networks
•
physically attached lines (leased)•
high cost•
high security levels•
extent of access for external users (only business partners)B2C
•
Customer centered web design•
Often interactive features included•
CRM: customer relationship management•
critical without personal contact•
database with relevant information:Features of Well
Designed Sites
•
Speed of transactions•
Large, up-to-date selection (the ‘Long Tail’)•
Ease of use•
Secure transationsTechnical Requirements:
Web Server
•
Hw&Sw to store pages and handle trafic•
Only large companies have the know-how and thecapability to run their own server