Transcript E-business Infrastructure

OHT 3.1
Chapter 3
E-business Infrastructure
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OHT 3.2
Learning objectives
• Outline the hardware and software
technologies used to build an e-business
infrastructure within an organisation and with
its partners
• Outline the hardware and software
requirements necessary to enable employee
access to the Internet and hosting of
e-commerce services.
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Issues for managers
• What are the practical risks to the organization
of failure to adequately manage
e-commerce infrastructure?
• How should staff access to the Internet be
managed?
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Why the jargon?
• Why do business managers need to know
about the jargon and technology?
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Internet infrastructure
components
Figure 3.2 Physical and network infrastructure components of the Internet (Levels
IV and III in Figure 3.1)
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Information exchange between a
web browser and web server
Figure 3.7 Information exchange between a web browser and web server
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History of the Internet
Figure 3.3 Internet timeline
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Intranets and extranets
Figure 3.4 The relationship between intranets, extranets and the Internet
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TCP/IP protocol
Figure 3.9 The TCP/IP protocol
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URLs and domain names
• Web addresses are structured in a standard way as follows:
• http://www.domain-name.extension/filename.html
• What do the following extensions or global top level domains stand
for?
– .com
– .co.uk, .uk.com
– .org or .org.uk
– .gov
– .edu, .ac.uk
– .int
– .net
– .biz
– .info
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OHT 3.11
HTML and XML
• HTML (Hypertext Markup Language)
A standard format used to define the text and
layout of web pages. HTML files usually have
the extension .HTML or .HTM
• XML or eXtensible Markup Language
• A standard for transferring structured data,
unlike HTML which is purely presentational.
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HTML Example
Figure 3.10 Home page index.html for The B2B Company in a web browser
showing HTML source in text editor
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XML example
Product>
<Action Value5”Delete”/>
<ProductID>118003-008</ProductID>
</Product>
<Product Type5”Good” SchemaCategoryRef5”C43171801”>
<ProductID>140141-002</ProductID>
<UOM><UOMCoded>EA</UOMCoded></UOM>
<Manufacturer>Compaq</Manufacturer>
<LeadTime>2</LeadTime>
<CountryOfOrigin>
<Country><CountryCoded>US</CountryCoded></Country>
</CountryOfOrigin>
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Differing use of applications at
different levels in a company
Figure 3.16 Differing use of applications at levels of management within
companies
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Elements of e-business
infrastructure requiring management
Figure 3.17 Elements of e-business infrastructure that require management
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Mobile access platforms
Figure 3.19 Mobile access technologies
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3G mobile example
The main features are:
• Dual mode 2G/3G device supporting data upload of 64 kbps
and download of 384 kbps (used for videos),
65,536 colour display of 46 x 57mm (132 x 162 pixels)
• Web browsing
• Two cameras for picture and video
• Download and playing of audio and video e.g football
• Supports MPEG4 and WMA files
• Download and play games using JAVA(TM) technology
• Qwerty keyboard, Email and word processing.
Source: www.nec.com/3gsmworldcongress/press/images/e808.jpg
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iDTV – interactive TV
Figure 3.21 Components of an interactive digital TV system
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