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Chapter 4 Intranets and Extranets

Chapter 4 Intranets and Extranets. OBJECTIVES. Introduction Technical Infrastructure Planning an Intranet E-mail and Intranet Extranets. WHAT IS AN INTRANET?. An organization-wide software and information distribution system applying Internet technology to a closed network

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Chapter 4 Intranets and Extranets

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  1. Chapter 4Intranets and Extranets

  2. OBJECTIVES • Introduction • Technical Infrastructure • Planning an Intranet • E-mail and Intranet • Extranets

  3. WHAT IS AN INTRANET? • An organization-wide software and information distribution system applying Internet technology to a closed network • Intranet operation is a communication project designed by technical staff • A network of people, not wired machines • Usually runs in a client/server environment and a local area network configuration

  4. BENEFITS • Links employees and managers together • Automates a lot of intraorganizational traffic • Enables a company to gain better access to its primary resources – knowledge and experience • Serves as a creative and empowering tool • Establishes the foundation for developing enterprise-wide information systems

  5. BENEFITS (Cont’d) • Provides a model for new internal information management collaborative computing • Prepares a wealth of Internet knowledge to employees • Eases process integration • Allows company to expand the system

  6. APPLICATIONS • Human Resources • Employee handbook • Benefits information • Employee surveys • Internal/external recruiting • Candidate screening • Organizational charts • Newsletters • Company calendars

  7. APPLICATIONS (Cont’d) • Sales and Marketing • Product information • Market research • Prospecting • Managing sales contacts • Sales training

  8. APPLICATIONS (Cont’d) • Accounting and Finance • Financial reports • Expense reports • Accounts receivable/payable processing • Asset management • Policies and procedures • Payroll

  9. APPLICATIONS (Cont’d) • Manufacturing and Operations • Inventory control • Production schedules • Quality assurance • Part order/requisition system

  10. WHY DOES A COMPANY NEED AN INTRANET? • A company has a large pool of information to share among hundreds of its employees • Intranets are cheap, robust and fast • Intranets operate across platforms • 24/7 to employees • Information in intranet can be updated quickly

  11. TECHNICAL INFRASTRUCTURE • Client/Server Basis • Client/Server software architecture: a versatile, message-based, and modular infrastructure intended to improve usability, flexibility, interoperability and scalability • Mainframe architecture: all intelligence is within the central host computer

  12. TYPES OF CLIENT/SERVER ARCHITECTURE • Two-tier architectures • For an organization with 12-100 users • Three-tier architectures • User system interface • Processing management • Database management

  13. TWO-TIER ARCHITECTURE DESIGN User System Interface Database Management

  14. THREE-TIER ARCHITECTURE DESIGN User System Interface Process Management Database Management

  15. BASIC INTRANET-ENABLING TECHNOLOGIES • Server and Client PCs • Web Server • Browsers • TCP/IP Electronic Mail • Graphic and Multimedia Files • Network File System (NFS) • Internet Relay Chat (NRC) • HTML Authoring Tools • HTML • Portable Electronic Document

  16. USING FIREWALLS • Proxy • “Go-between” agent that acts on behalf of another • Packet Filter • Checks each packet at network level

  17. PLANNING AN INTRANET • Plan ahead • Provide justification with management support • Build an intranet in-house or outsource it • Form an Intranet team • Build and test a prototype • Ensure effective maintenance

  18. E-MAIL and INTRANET • Spamming • Sending unwanted advertisements or literature through e-mail • Flaming • Responding to a message or a call in anger

  19. E-MAIL ETIQUETTE • Write in different color to express attitude or mood • Keep sentences short • Be aware of your office and organization culture • Avoid flaming • Don’t use e-mail to send bad news • Don’t type in capital letters

  20. EXTRANETS • Lets limited, controlled business partners interact with the firm for all kinds of exchanges • System designers must collaborate to make sure there is a common interface with the company they are dealing with • Benefits: faster time-to-market, customer loyalty, increased partner interaction, and improved processes

  21. KEY CONSIDERATIONS • Identifying users • Listing technology components • Specifying security requirements • Discussing administration of extranet • Understanding usability of extranet

  22. OTHER CONSIDERATIONS • Security • Type of users • Sensitivity of information transacted • Communication lines used • Manageability / administration • Usability

  23. ROLE OF CHAMPION • Ensures accountability for the organization • Promotes more effective collaboration with business partners which improves potential for increased revenue • Provides a long-term investment in competitive advantage

  24. Chapter 4Intranets & Extranets

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