1. CSE 190: Internet E-Commerce
Lecture 1

2. Three-Tier architecture
Overall Architecture of Internet E Commerce System
Reference:

3. Building Internet Applications
What are they
Client – Server applications
Very thin client – practically no logic in this layer
Advantages
Challenges
Rapid Product Distribution
Accessible anywhere, anytime
Scalability
Availability
Security
Deployment

4. Overall Architecture Logical Static Content Application User Interface
Authentication & Session Management
Application Logic
Data Store
Tiers
Browser
Web servers
Application Servers
Database

5. Options Open Source vs Commercial Open Source Commercial
Flexibility of customization
Very good support
Burden of development
Lower cost
Dependence on vendor
Fairly good support
e.g: Apache, mod_perl, JRun, mySQL
e.g: Netscape Enterprise, WebLogic, Oracle