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Chapter 3 E-business Infrastructure. Learning objectives. Outline the hardware and software technologies used to build an e-business infrastructure within an organisation and with its partners
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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.
Issues for managers • What are the practical risks to the organization of failure to adequately managee-commerce infrastructure? • How should staff access to the Internet be managed?
Why the jargon? • Why do business managers need to know about the jargon and technology?
Internet infrastructurecomponents Figure 3.2Physical and network infrastructure components of the Internet (Levels IV and III in Figure 3.1)
Information exchange between a web browser and web server Figure 3.7Information exchange between a web browser and web server
History of the Internet Figure 3.3Internet timeline
Intranets and extranets Figure 3.4The relationship between intranets, extranets and the Internet
TCP/IP protocol Figure 3.9The TCP/IP protocol
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
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.
HTML Example Figure 3.10Home page index.html for The B2B Company in a web browser showing HTML source in text editor
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>
Differing use of applications at different levels in a company Figure 3.16Differing use of applications at levels of management within companies
Elements of e-business infrastructure requiring management Figure 3.17 Elements of e-business infrastructure that require management
Mobile access platforms Figure 3.19 Mobile access technologies
3G mobile example • The main features are: • Dual mode 2G/3G device supporting data upload of 64 kbpsand 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
iDTV – interactive TV Figure 3.21 Components of an interactive digital TV system