E Commerce

1. 1
Electronic Commerce:
Architectural Framework

2. ELECTRONIC COMMERCE- Framework, Technologies and Applications © Tata McGraw-Hill 2
Electronic Commerce: Framework
Secure Payment Protocols
Online Payment Infrastructure
Security and Encryption Technology
Network Protocol Standards
Network Infrastructure (Internet)
Business Service Infrastructure
Directories, Search Engines etc
Networked
Multimedia
content
publishing
technologies(
HTML,XML,
JAVA,Graphics,
Video
tools
etc.)
Information
Distribution
&
Messaging
Technologies
(
HTTP,SMTP,
etc.)
Legal and Public Policy Framework
Public key, Identification and
Authentication Infrastructure
E-commerce Applications
Catalog based retail, Marketing & Advert., Banking&
Investments, Supply Chain Management, Auctions,
Home shopping, procurements

3. ELECTRONIC COMMERCE- Framework, Technologies and Applications © Tata McGraw-Hill 3
Network Infrastructure
• The Internet Superhighway is responsible for
seamless, reliable transportation on
Information among host devices.
• Local Area Networks, IEEE 802.3 Standards
and Ethernet
• Wide Area Networks
• The Seamless Interface is offered through
– Internet and TCP/IP Model
– IP Addressing and Domain Naming System
– Internet Industry Structure

4. ELECTRONIC COMMERCE- Framework, Technologies and Applications © Tata McGraw-Hill 4
Information Distribution Technologies
Standard Protocols for Information Distribution on
Internet
• File Transfer Protocol (FTP)
• Simple Mail Transfer Protocol (SMTP)
• Hyper Text Transfer Protocol (HTTP)
• Web Server Implementations
– NCSA Web Server
– Apache Web Server
– Microsoft’s IIS

5. ELECTRONIC COMMERCE- Framework, Technologies and Applications © Tata McGraw-Hill 5
Multimedia Publishing Technologies
• Information Publishing and Web Browsers
– Hyper Text Markup Language (HTML)
– Forms and Common Gateway Interface
– Active Server Pages (ASP), Cold Fusion Markup
Language
– Dynamic HTML
– HTML Editors
– XML
• Multimedia Content
– Graphics and Image Formats
– Web Image Formats
– Other Multimedia objects
• VRML

6. ELECTRONIC COMMERCE- Framework, Technologies and Applications © Tata McGraw-Hill 6
Security & Encryption
• Importance of security for Electronic Commerce and
Inherent vulnerability of Internet
• Site Security
• Protecting the Web (HTTP) Service
• The Issues in Transaction Security
– Cryptography and Cryptanalysis
– Symmetric key cryptographic Algorithms
– Public Key Algorithms
– Authentication protocols
– Integrity and Non-repudiation
• Digital Certificates and Signatures
• Electronic Mail Security
• Security protocols for Web Commerce

7. ELECTRONIC COMMERCE- Framework, Technologies and Applications © Tata McGraw-Hill 7
Payment Services
• Payment Systems
• Importance of Electronic Payment Mechanisms in
Electronic Commerce
• Characteristics of Online Payment Systems
– Pre-Paid Electronic Payment Systems
– Instant-paid Electronic Payment Systems
– Post-Paid Electronic Payment Systems
• Some Electronic Payment Systems
– Secure Electronic Transaction (SET) for Credit Cards
– Ecash
– NetCheque

8. ELECTRONIC COMMERCE- Framework, Technologies and Applications © Tata McGraw-Hill 8
Business Service Infrastructure
• Searching and Locating Information on Web Space
• Information Directories
– Purpose
– Organization
– Information Location in Information Directories
• Search Engines
– Purpose
– Organization
– Location of Information using Search Engines
• Improving the search results
• Internet Advertising
– Importance
– Models