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 challenges in 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-based e-commerce platform architecture Presentation Layer Business Logic Layer Data & Legacy Access Layer ERP Legacy systems Database Application Server Transactions SecuritySession Resource Pooling Load balancing E-commerce platform Horizontal Services Client tierServer tierData 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