Lecture E-Commerce - Chapter 8: Building e-commerce web sites (part III)

In this chapter, the learning objectives are: Understand the issues involved in choosing the most appropriate hardware for an e-commerce site, rightsizing hardware platforms for the site, rightsizing e commerce connections, identify additional tools that can improve Web site performance.

CSC 330 E-Commerce

Teacher

Ahmed Mumtaz Mustehsan

GM-IT CIIT Islamabad

Building E-Commerce Web Sites

Chapter-3 Part-III

T1-Lecture-8

For Lecture Material/Slides Thanks to:

Copyright © 2010 Pearson Education, Inc

Objectives

Understand the issues involved in choosing the most appropriate hardware for an e-commerce site

Rightsizing Hardware Platforms for the site

Rightsizing e commerce connections

Identify additional tools that can improve Web site

performance

T1-Lecture-8 Ahmed Mumtaz Mustehsan Copyright © 2010 Pearson Education, Inc 1-3

Merchant Server Software Packages

Integrated environment with most or all of functionality needed:

Building Your Own E-commerce Site

Options for small firms

to build truly custom site, requires programmer with expertise, time

colocation your servers at ISP; establish your own NOC;

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Choosing the Hardware for an

E-commerce Site

Hardware platform:

achieve e-commerce functionality

Objective:

without wasting money

speed, capacity, and scalability of a site

Right-Sizing Your Hardware Platform:

The Demand Side

Demand is the most important factor affecting

speed of site

Factors in overall demand:

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Rightsizing E-Commerce Platforms

Degradation in Performance as

Number of Users Increases—Resource Utilization

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As the number of concurrent users (N) rises, the transaction rate (T)

rises linearly until an inflection point (X) is reached, after which

performance falls at a nonlinear rate until a crash is experienced.

The Relationship of Bandwidth to Hits

T1-Lecture-8 Ahmed Mumtaz Mustehsan Copyright © 2010 Pearson Education, Inc 11

1-The greater the bandwidth available, the more customers can simultaneously access a Web site without any perceived degradation in performance.

Right-Sizing Your Hardware Platform:

The Supply Side

Scalability:

Ways to scale hardware:

1 Vertically

2 Horizontally

3 Improve processing architecture (Hybrid Approach)

combined with artful design decisions

1-T1­Lecture­8        Ahmed Mumtaz Mustehsan         Copyright © 2010 Pearson Education, Inc 13

1-Proposed Techniques for Scalability

1 Vertically Scaling a System

2 Horizontally Scaling a System

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1-3 Improve processing architecture

Other E-Commerce Site Tools

Web site design: Basic business considerations

Tools for Web site optimization:

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1-E-commerce Web Site Features

that Annoy Customers

SOURCE: Based on data from

Hostway Corporation’s survey,

Consumers’ Pet Peeves about

Commercial Web Sites, Hostway

Corporation, 2007.

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e 4­

Developing a Mobile Web Presence

Planning and building mobile presence

unique and specific business objectives

Developing a Mobile Web Presence

Two more features

(Performance and cost)

Copyright © 2012 Pearson Education, Inc.

Slid

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Developing a Mobile Web Presence

Design considerations

Software : (Performance and cost )

Tools for Interactivity and Active Content

Web 2.0 design elements:

more dynamic Web that is more organized and is based on serving Web applications to users.

World Wide Web that is focused on the ability for people to collaborate and share information online

emphasis on Web-based communities of users, and more open sharing of information

computer-science-based term

Web 2.0.

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1-Designing for Accessibility in a

Web 2.0 and Mobile World

“equivalent alternatives” for visual and sound content?

Tools for Interactivity and Active Content

CGI (Common Gateway Interface)

and a program running on a server that allows for

interaction between the user and the server

ASP (Active Server Pages)

programmers using Microsoft’s IIS package to build

dynamic pages

Java

create interactivity and active content on the client

computer; thereby saving considerable load on the server

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1-Tools for Interactivity and Active Content

Java Server Pages (JSP)

allows developers to dynamically generate Web pages in response to user requests

JavaScript

used to control the objects on an HTML page and handle interactions with the browser

ActiveX

compete with Java

VBScript

compete with JavaScript

Tools for Interactivity and Active Content

ColdFusion

interactive Web applications Developed by Macromedia,

a tag-based server scripting language (CFML) that lowers the cost of creating interactive features

debugging, and deployment tools

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1-Basic Business Considerations

Personalize Tools

prior history with site

Customization

the customer

Tools to achieve:

the cookie to find a customer ID, look the ID up in a

database of names, and greet the customer

The Information Policy Set

Privacy policy

customers’ personal information that is gathered by site

Accessibility rules

affectively access site

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1-Thank You