Chapter 4 Intranets and Extranets. 2 OBJECTIVES What is Intranet? Software Applications Architecture...
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Transcript of Chapter 4 Intranets and Extranets. 2 OBJECTIVES What is Intranet? Software Applications Architecture...
![Page 1: Chapter 4 Intranets and Extranets. 2 OBJECTIVES What is Intranet? Software Applications Architecture of software E-mail and Intranet Extranets.](https://reader036.fdocuments.net/reader036/viewer/2022081506/56649de85503460f94ae2b09/html5/thumbnails/1.jpg)
Chapter 4
Intranets and Extranets
![Page 2: Chapter 4 Intranets and Extranets. 2 OBJECTIVES What is Intranet? Software Applications Architecture of software E-mail and Intranet Extranets.](https://reader036.fdocuments.net/reader036/viewer/2022081506/56649de85503460f94ae2b09/html5/thumbnails/2.jpg)
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OBJECTIVES
• What is Intranet?• Software Applications• Architecture of
software• E-mail and Intranet • Extranets
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WHAT IS AN INTRANET?
• An organization-wide software and data system applying Internet technology to a closed network
• A network of application and wired machines (software + hardware)
• Usually runs in a client/server environment and a local area network configuration
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WHY INTRANET: BENEFITS
• Links employees and managers together
• Automates a lot of intraorganizational traffic (e.g., reduce inter-office mail)
• Establishes the foundation for developing enterprise-wide systems integration (e.g., Web order + order processing + delivery)
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SOFTWARE APPLICATIONS
• Human Resources– Timesheets (PeopleSoft, Oracle)– Internal/external recruiting– Company calendars
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APPLICATIONS (Cont’d)
• Accounting and Finance– Expense reports– Accounts receivable/payable
processing– Payroll (PeopleSoft)
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TECHNICAL INFRASTRUCTURE
• Client/Server Basis– Client/Server software
architecture: client requests and server responses
– As opposed to mainframe architecture: all intelligence is within the central host computer
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TWO-TIER ARCHITECTURE DESIGN
User System Interface
Database Management
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THREE-TIER ARCHITECTURE DESIGN
User System Interface
Database Management
Process Management
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BASIC INTRANET COMPONENTS
• Server and Client PCs
• Web Server/Browsers
• Electronic Mail
• Network File System (NFS)
• Internet Relay Chat (IRC)
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E-MAIL TIPS
• 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
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EXTRANETS
• Let limited, controlled business partners interact with the firm for all kinds of exchanges
• Benefits: customer (partner) loyalty, increased partner interaction, and improved processes
• Enabled by VPN – Virtual Private Network
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Example: VPN Client
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Exercises
• What is three-tier architecture?
• Why is Intranet needed?
• What is the architecture of Intranet?
• What is a go-between agent?
• What is called an angry response to an email?
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Summary
• What is Intranet?
• Software Applications on Intranet
• Technical Infrastructure (N-tie architecture)
• E-mail and Intranet
• Extranets