This document outlines the key components that make up the framework and infrastructure for electronic commerce. It discusses the network infrastructure including standards like TCP/IP and DNS that enable communication. It also covers technologies for information distribution like HTTP, technologies for multimedia publishing like HTML and XML, security and encryption methods, online payment systems, and business services like directories and search engines that support e-commerce applications.

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

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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

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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

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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

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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

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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

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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