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E-Business: Intra-Business E-CommerceChapter 6 E-Business: Intra-Business E-Commerce
Internal CommunicationHistorically, paper Updating a paper procedures manual Outdated material Numerous misunderstandings Some legal actions B2Employee E-commerce Maintain online – Web site E-business more general than B2E Copyright © 2003, Addison-Wesley
Figure 6.1 Miami University’s online publications and policies.Copyright © 2003, Addison-Wesley
B2C vs. Intra-business E-commerceConsumer oriented B2C Revolutionary Aggressive and risky First movers Intra-business and B2B Evolutionary Methodical In business context Copyright © 2003, Addison-Wesley
Copyright © 2003, Addison-WesleyFigure 6.3 The value chain. The key to intra-business e-commerce is improving value chain efficiency. Copyright © 2003, Addison-Wesley
Figure 6.4 The value chain for a personal computer manufacturer.Copyright © 2003, Addison-Wesley
Figure 6.5 Each value chain process consists of sub-processes.Copyright © 2003, Addison-Wesley
Efficiency and EffectivenessObjective: reduce operating costs Efficiency gains Within individual processes Across the value chain Efficiency-based competitive advantage Hidden from public view Relatively easy to sustain Copyright © 2003, Addison-Wesley
Figure 6.6 The organizational pyramid.Before computers, companies organized along functional lines. Functional groups exchanged paperwork. Early computer applications supported a single function. Copyright © 2003, Addison-Wesley
Figure 6.7 A manual payroll system.Payroll was done manually until at least the late 1950s. Copyright © 2003, Addison-Wesley
Figure 6.8 Automating selected processes made payroll more efficient.Automate expensive processes first Compile payroll Prepare (print) paychecks Automate remaining manual processes next Record timesheets Objective—process optimization. Copyright © 2003, Addison-Wesley
Figure 6.9 Islands of automation.Other functional groups Sales Accounting Purchasing Inventory Production Independent fiefdoms Office political base Sub-optimization Copyright © 2003, Addison-Wesley
Figure 6.10 The competitive advantage model.Competition forced Information sharing Integration across value chain Including legacy applications Copyright © 2003, Addison-Wesley
Copyright © 2003, Addison-WesleyIncompatibilities Hardware, software, and data Data redundancy was a major problem Same data value on multiple files Independently maintained Values differed Data formats differed Solution – central database Copyright © 2003, Addison-Wesley
New Approaches to System DevelopmentInformation system planning Elevated to strategic level Information technology infrastructure Basic blueprint for technology integration Enterprise data model (EDM) Business process reengineering Process improvements in context Problem – legacy applications Copyright © 2003, Addison-Wesley
Partitioning Order EntryClient Display online order form Display order acknowledgement Error-check form data Server Record order Read quantity on hand Access A/R Validate stock Check credit Either – Calculate taxes and total Copyright © 2003, Addison-Wesley
Figure 6.17 A two-tier client/server application.Maintenance problem Multiple copies of software on multiple clients Development problem Multiple client platforms Copyright © 2003, Addison-Wesley
Figure 6.18 A three-tier client/server application.Copyright © 2003, Addison-Wesley
Figure 6.19 Enterprise application integration.Objective: coordinate all applications, databases, and info technologies. Enterprise resource planning (ERP) Means of implementing the EAI principle Copyright © 2003, Addison-Wesley
Copyright © 2003, Addison-WesleyVirtual Value Chain Digital picture of value chain Coordinate and monitor processes Organizational (not local) efficiency Applications Fuel business process reengineering Mirror or replace physical processes Data mining Copyright © 2003, Addison-Wesley
Copyright © 2003, Addison-WesleyWeb Services Application server software A server for middleware Scalable platform Application service provider (ASP) Intermediary that supplies applications Including mission-critical applications Management service provider (MSP) Intermediary that manages IT services Copyright © 2003, Addison-Wesley
Copyright © 2003, Addison-WesleyCorporate Intranets Private corporate network Uses standard Internet protocols TCP/IP HTML and HTTP Browser and Web server Internet and intranet differences Intranet is smaller in scope Intranet limited to organization’s employees Copyright © 2003, Addison-Wesley
Copyright © 2003, Addison-WesleyFigure 6.22 Encasing a legacy message in a TCP/IP wrapper allows a legacy application to communicate with the intranet. Company intranet Copyright © 2003, Addison-Wesley
Figure 6.23 Some examples of groupware. Scheduling and calendars Whiteboarding Chat rooms and bulletin boards Video conferencing Electronic meetings Document management Workflow management Collaborative writing Group decision support systems Copyright © 2003, Addison-Wesley
Figure 6.24 Typical enterprise portal services.Structured data management Unstructured data management Content management Information filtering Search capabilities Collaboration User administration Expense account management Ordering supplies Security Personalization Copyright © 2003, Addison-Wesley
Geographically Dispersed Value ChainsValue chain more complex Options Secure private network Value added network Public network (e.g., Internet) Virtual private network Security Firewalls User identification Authentication Copyright © 2003, Addison-Wesley
Chapter 14 Intranets & Extranets. Awad –Electronic Commerce 1/e © 2002 Prentice Hall 2 OBJECTIVES Introduction Technical Infrastructure Planning an Intranet.
McGraw-Hill/Irwin Copyright © 2008, The McGraw-Hill Companies, Inc. All rights reserved.
© Prentice Hall CHAPTER 5 Organizational Systems.
Chapter 7 Enterprise-Wide Information Systems
Discovering Computers Fundamentals, 2011 Edition Living in a Digital World.
CPS ® and CAP ® Examination Review OFFICE SYTEMS AND TECHNOLOGY, Fifth Edition By Schroeder and Graf ©2005 Pearson Education, Inc. Pearson Prentice Hall.
McGraw-Hill/Irwin Copyright © 2008, The McGraw-Hill Companies, Inc. All rights reserved. Electronic Business Systems Chapter 7.
1 Chapter 7 IT Infrastructures Business-Driven Technology
Chapter 7 e-Business Systems.
Information Systems In The Enterprise
12 Chapter 12 Client/Server Systems Hachim Haddouti.
SESSION 9 THE INTERNET AND THE NEW INFORMATION NEW INFORMATIONTECHNOLOGYINFRASTRUCTURE.
4.1 © 2006 by Prentice Hall 4 Chapter The Digital Firm: Electronic Business and Electronic Commerce.
Chapter 7 Electronic Business Systems
Global E-business and Collaboration
Pg. 1 Intranets and Extranets in Business Internet and Business - strategic business applications. Internet and Business - strategic business applications.
Module 1: Overview of Information System in Organizations Chapter 2: How Organizations use IS.
Karolina Muszyńska Based on
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