E-Business Lecture 3 Website Development and Management Process.

E-Business

Lecture 3

Website Development and Management Process

Web servers

• The components of a web server are:• Hardware• Software

Web servers (Cont.)

• When determining what sort of server hardware and software to use you have to consider:

• Size of the site• Purpose of the site• Traffic on the site

Web servers (Cont.)

• A small, noncommercial Web site will require

less resources than a large, commercial site.

Building an E-commerce Web Site

• Two most important management challengesin building a successful e-commerce site are:

1) Developing a clear understanding of business objectives

2) Knowing how to choose the right technology to achieve those objectives

Building an E-commerce Web Site (Cont.)

• Main areas where you will need to make decisions in building a site include

• Human resources and organizational capabilities creating a team that has the skill set to build and manage a successful site

Building an E-commerce Web Site (Cont.)

• Hardware• Software• Telecommunications• Site design

Building an E-commerce Web Site (Cont.)

The Systems Development Life Cycle

• Systems Development Life Cycle (SDLC):

• is a methodology for understanding the business objectives of a system and designing an appropriate solution

The Systems Development Life Cycle(Cont.)

• Five major steps in the SDLC are:

1) Systems analysis/planning

2) Systems design

3) Building the system

4) Testing

5) Implementation

The Systems Development Life Cycle(Cont.)

A Logical Design for a Simple Web Site

A Physical Design for a Simple Web Site

Application Server-basede-commerce platform architecture

PresentationLayer

BusinessLogic Layer

Data & LegacyAccess Layer

ERP

Legacysystems

Database

Application Server

Transactions Security Session ResourcePooling

Loadbalancing

E-commerce platform

Horizontal Services

Client tier Server tier Data tier

E-commerce Software

• Front-end• For Visitors and Customers

• Web-based by definition

• Backend• For enterprise business managers

• Merchandisers, Account Mangers, Customer Support, etc.

E-commerce Software (Cont.)

• Middleware

• To interface with existing systems• Customer, Inventory, Credit, Payment and

Order Processing systems

E-Commerce Front-end

• Web Application Server

• Functionality• Personalization and Profiling• Complex, Dynamic Content Presentation

E-Commerce Front-end (Cont.)

• Process Support• Shopping Process• Buying Process

E-Commerce Backend

• Content Management• Merchandizing• Catalog management• Price and on-line collateral management

E-Commerce Backend (Cont.)

• Backend System Management Functionality• Support for workflow and process

management• Appropriate use of technology for process

support• Access control in content management• Business rules in anomaly management

E-Commerce Middleware

• Payment Processing• Customer specific credit, purchase orders,

etc. • Electronic payment including EDI and

credit cards

.

E-Commerce Middleware (Cont.)

• EDI (Electronic Data Interchange):

• is the electronic exchange of business documents between the computer systems of business partners, with a standard format over a communication network. It can also be called as (paperless exchange)

E-Commerce Middleware (Cont.)

• Order Processing• Interface to proprietary, custom enterprise

systems• e-enabled systems of large warehouses• e-Services that provide Order Distribution

E-Commerce Middleware (Cont.)

• Inventory Management

• Soft and hard reserve functionality• Direct access to specific inventory

Hardware Platform

Hardware Platform (Cont.)

• Storage capacity and computing power required of the Web server depends on:• Software that will run on the server• Volume of e-commerce transactions

Hardware Platform (Cont.)

• E-commerce solutions should be designed to be highly scalable

• Web site hosting: third-party Web service provider

Tools for Building Your Own E-commerce Site

E-commerce Software

Following are the names of some well-known e-commerce software:

• Intershop Enfinity

• IBM’s WebSphere Commerce Professional Edition

• Microsoft Commerce Server 2002