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The Networked EnterpriseTrends in Telecommunica-tionsThe Internet RevolutionBusiness Use of the InternetSection IITelecommunica-tions AlternativesTelecommunica-tions ModelNetwork TopologiesBandwidth Alternatives
KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-1
Real World Cases
Telecommunications Telecommunications and Networksand Networks
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The Networked EnterpriseTrends in Telecommunica-tionsThe Internet RevolutionBusiness Use of the InternetSection IITelecommunica-tions AlternativesTelecommunica-tions ModelNetwork TopologiesBandwidth Alternatives
KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-2
Real World Cases
Learning ObjectivesLearning Objectives1. Identify several major developments
and trends in the industries, technologies, and applications of telecommunications and Internet technologies.
2. Provide examples of the business value of Internet, intranet, and extranet applications.
3. Identify the basic components, functions, and types of telecommunications networks used in business.
4. Explain the functions of major types of telecommunications network hardware, software, media, and services.
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The Networked EnterpriseTrends in Telecommunica-tionsThe Internet RevolutionBusiness Use of the InternetSection IITelecommunica-tions AlternativesTelecommunica-tions ModelNetwork TopologiesBandwidth Alternatives
KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-3
Real World Cases
The Networked The Networked EnterpriseEnterprise
• Networking Converges Computing and Communications
• Reduction of Geographic Boundaries
• Networked Enterprises• Real World Case 1- Real World Case 1-
Celanese Chemicals Celanese Chemicals and Othersand Others
Click to go toCase 1
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The Networked EnterpriseTrends in Telecommunica-tionsThe Internet RevolutionBusiness Use of the InternetSection IITelecommunica-tions AlternativesTelecommunica-tions ModelNetwork TopologiesBandwidth Alternatives
KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-4
Real World Cases
Trends in Trends in TelecommunicationsTelecommunications
Industry TrendsIndustry TrendsIndustry TrendsIndustry Trends Toward more competitive vendors, carriers, alliances
and network services, accelerated by deregulation and the growth of the Internet and the World Wide Web
Technology TrendsTechnology Trends Toward extensive use of Internet, digital fiber-optic, and wireless technologies to create high-speed local and global internetworks for voice, data, images, audio, and videocommunications
Application TrendsApplication Trends Toward the pervasive use of the Internet, enterprise intranets, and interorganizational extranets to support electronic business and commerce, enterprise collaboration, and strategic advantage in local and global markets
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The Networked EnterpriseTrends in Telecommunica-tionsThe Internet RevolutionBusiness Use of the InternetSection IITelecommunica-tions AlternativesTelecommunica-tions ModelNetwork TopologiesBandwidth Alternatives
KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-5
Real World Cases
Trends in Trends in TelecommunicationsTelecommunications
Services available today…Services available today…Full Service Spectrum•Broadcast TV•High-definition TV•Enhanced pay-per-view•Video-on-demand•Interactive TV•Interactive video games•Video catalog shopping•Distance learning•Desktop multimedia•Image networking•Transaction services•Internet access•Telecommuting•Videoconferences•Video telephony•Wireless Access•Cellular/PCS systems•POTS-Plain old telephone service
EntertainmentEntertainment
InformationInformationTransactionsTransactions
CommunicationsCommunications
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The Networked EnterpriseTrends in Telecommunica-tionsThe Internet RevolutionBusiness Use of the InternetSection IITelecommunica-tions AlternativesTelecommunica-tions ModelNetwork TopologiesBandwidth Alternatives
KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-6
Real World Cases
Trends in Trends in TelecommunicationsTelecommunications
Technology TrendsTechnology Trends•Internet Networking Technologies•Open Systems•Connectivity•Interoperability•Digital Network Technologies
•Higher Transmission Speeds•Move Larger Amounts of Information
•Greater Economy•Lower Error Rates than Analog
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The Networked EnterpriseTrends in Telecommunica-tionsThe Internet RevolutionBusiness Use of the InternetSection IITelecommunica-tions AlternativesTelecommunica-tions ModelNetwork TopologiesBandwidth Alternatives
KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-7
Real World Cases
Trends in Trends in TelecommunicationsTelecommunications
Business Applications…Business Applications…
•Creation of Business Value•Develop Strategic Capabilities•Overcome Geographic Barriers•Overcome Time Barriers•Overcome Cost Barriers•Overcome Structural Barriers
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The Networked EnterpriseTrends in Telecommunica-tionsThe Internet RevolutionBusiness Use of the InternetSection IITelecommunica-tions AlternativesTelecommunica-tions ModelNetwork TopologiesBandwidth Alternatives
KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-8
Real World Cases
Trends in Trends in TelecommunicationsTelecommunications
The Internet Revolution…The Internet Revolution…
Internet Applications•Surf•E-Mail•Discuss•Chat•Buy and Sell•Download•Compute•Other Uses
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The Networked EnterpriseTrends in Telecommunica-tionsThe Internet RevolutionBusiness Use of the InternetSection IITelecommunica-tions AlternativesTelecommunica-tions ModelNetwork TopologiesBandwidth Alternatives
KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-9
Real World Cases
Business Use of the Business Use of the InternetInternet
GE Power Systems: GE Power Systems: Using the Using the Internet CaseInternet Case
•Creation of a Power Plant Entirely on the Internet
•Holding Virtual Meetings•Blueprints Exchanged and Modified in Real Time on the Web
•Customers Can Watch as Turbine is Built from Anywhere
•20-30% Reduction in Time to Build Turbine
•1-2% Increase in Turbine Output•30% Increase in Sales Revenue
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The Networked EnterpriseTrends in Telecommunica-tionsThe Internet RevolutionBusiness Use of the InternetSection IITelecommunica-tions AlternativesTelecommunica-tions ModelNetwork TopologiesBandwidth Alternatives
KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-10
Real World Cases
Business Use of the Business Use of the InternetInternet
Internet Adds Value to BusinessesInternet Adds Value to Businesses
Headquarters Suppliers
Remote OfficesCustomersBusiness Partners
InventoryManagement
Systems
The Internet
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The Networked EnterpriseTrends in Telecommunica-tionsThe Internet RevolutionBusiness Use of the InternetSection IITelecommunica-tions AlternativesTelecommunica-tions ModelNetwork TopologiesBandwidth Alternatives
KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-11
Real World Cases
Deriving Business ValueDeriving Business Value
ReduceReduceCosts ofCosts of
DoingDoingBusinessBusiness
Develop NewDevelop NewWeb-BasedWeb-Based
ProductsProducts
IncreaseIncreaseCustomerCustomer
Loyalty andLoyalty andRetentionRetention
AttractAttractNewNew
CustomersCustomers
DevelopDevelopNew MarketsNew Marketsand Channelsand Channels
GenerateGenerateNewNew
RevenueRevenueSourcesSources
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The Networked EnterpriseTrends in Telecommunica-tionsThe Internet RevolutionBusiness Use of the InternetSection IITelecommunica-tions AlternativesTelecommunica-tions ModelNetwork TopologiesBandwidth Alternatives
KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-12
Real World Cases
The Role of IntranetsThe Role of Intranets•Intranets Redefined
•Use of Web Browsers
•TCP/IP Network Protocols
•HTML Hypermedia
•Internet-Like Environment
•Extranet LinksHow Companies Derive Business Value…How Companies Derive Business Value…
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The Networked EnterpriseTrends in Telecommunica-tionsThe Internet RevolutionBusiness Use of the InternetSection IITelecommunica-tions AlternativesTelecommunica-tions ModelNetwork TopologiesBandwidth Alternatives
KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-13
Real World Cases
The Role of IntranetsThe Role of Intranets
ExistingE-Mail, Voice-Mail Systems
ExistingDatabases
andEnterprise
Applications
HTML, MS Office,XML, Java, and
Other DocumentTypes
ExistingHardware
andNetworks
Communication andCollaboration
Business Operationsand Management
Web Publishing
Intranet Portal Management
FIREWALL
IntranetEnterpriseInformation
Portal
Employees
Everyone
Customers,Suppliers,
and Partners
Author, publish, andshare hypermedia
documents
Centrally administerclients, servers,
security, directory,and traffic
Secure, universalaccess to view
and use corporateand external data
Communicate andcollaborate with e-mail,
discussion forums,chat, and conferencing Intranet
Extranet
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The Networked EnterpriseTrends in Telecommunica-tionsThe Internet RevolutionBusiness Use of the InternetSection IITelecommunica-tions AlternativesTelecommunica-tions ModelNetwork TopologiesBandwidth Alternatives
KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-14
Real World Cases
The Role of IntranetsThe Role of Intranets
• Designer of Electronic Design Automation (EDA) Software Tools
• 3,000 Employees Worldwide• Developed Intranet Called
OnTrack for 500 Managers• Created a Single Enterprise
Information Portal• Provided Immediate Instant
Information
Cadence OnTrack: Cadence OnTrack: Business Business Value of an IntranetValue of an Intranet
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The Networked EnterpriseTrends in Telecommunica-tionsThe Internet RevolutionBusiness Use of the InternetSection IITelecommunica-tions AlternativesTelecommunica-tions ModelNetwork TopologiesBandwidth Alternatives
KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-15
Real World Cases
The Role of ExtranetsThe Role of Extranets•Business Value of Extranets•Gaining Competitive Advantage
•Virtual Private Networks•Firewalls and Security Issues•Interactive Web-Enabled Services to Business Partners
Graphically…Graphically…
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The Networked EnterpriseTrends in Telecommunica-tionsThe Internet RevolutionBusiness Use of the InternetSection IITelecommunica-tions AlternativesTelecommunica-tions ModelNetwork TopologiesBandwidth Alternatives
KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-16
Real World Cases
Partners,Consultants,Contractors
Consumers
Business Consumers
Suppliers and Distributors
The InternetworkedEnterprise
The Role of ExtranetsThe Role of ExtranetsConnecting Enterprise to Consumers, Connecting Enterprise to Consumers, Business Customers, Suppliers, and Business Customers, Suppliers, and Other Business PartnersOther Business Partners
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The Networked EnterpriseTrends in Telecommunica-tionsThe Internet RevolutionBusiness Use of the InternetSection IITelecommunica-tions AlternativesTelecommunica-tions ModelNetwork TopologiesBandwidth Alternatives
KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-17
Real World Cases
The Role of ExtranetsThe Role of Extranets
• Platinum Lender Access Extranet Created by Countrywide
• Access to Account and Transaction Information
• Snap-on Created Franchise Information Network for Their Independent Dealers
• Supports Interactive News and Information Exchange
Countrywide and Snap-on: Countrywide and Snap-on: Extranet ExamplesExtranet Examples
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The Networked EnterpriseTrends in Telecommunica-tionsThe Internet RevolutionBusiness Use of the InternetSection IITelecommunica-tions AlternativesTelecommunica-tions ModelNetwork TopologiesBandwidth Alternatives
KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-18
Real World Cases
Telecommunications Telecommunications Network AlternativesNetwork Alternatives
• GPS Use by Trucking and Cement Firms
• “Time-Definite-Delivery”• Omni TRACKS System• Better Management of Time-
Sensitive MaterialsReal World Case 2- Real World Case 2- Con-Way NOW and Trimble Con-Way NOW and Trimble
Navigation: The Business Navigation: The Business Value of GPS NetworksValue of GPS Networks Click to go to
Case 2
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The Networked EnterpriseTrends in Telecommunica-tionsThe Internet RevolutionBusiness Use of the InternetSection IITelecommunica-tions AlternativesTelecommunica-tions ModelNetwork TopologiesBandwidth Alternatives
KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-19
Real World Cases
Key Components and Alternatives
• Networks• Media• Processors• Software• Channels• Topology/Architecture
Telecommunications Telecommunications Network AlternativesNetwork Alternatives
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KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-20
Real World Cases
A Telecommunications Network A Telecommunications Network ModelModel
Telecommunications Telecommunications Network AlternativesNetwork Alternatives
PCs, NCs, andOther Terminals
TelecommunicationsProcessors
TelecommunicationsChannels
TelecommunicationsProcessors
TelecommunicationsSoftware
Computers
11
2233
22
44
55
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The Networked EnterpriseTrends in Telecommunica-tionsThe Internet RevolutionBusiness Use of the InternetSection IITelecommunica-tions AlternativesTelecommunica-tions ModelNetwork TopologiesBandwidth Alternatives
KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-21
Real World Cases
Types of Telecommunications NetworksTypes of Telecommunications Networks
Telecommunications Telecommunications Network AlternativesNetwork Alternatives
•Wide Area Networks (WANs)•Local Area Networks (LANs)•Network Server•Network Operation System•Virtual Private Network (VPNs) Graphically…Graphically…
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The Networked EnterpriseTrends in Telecommunica-tionsThe Internet RevolutionBusiness Use of the InternetSection IITelecommunica-tions AlternativesTelecommunica-tions ModelNetwork TopologiesBandwidth Alternatives
KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-22
Real World Cases
Example Wide Area NetworkExample Wide Area Network
Telecommunications Telecommunications Network AlternativesNetwork Alternatives
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KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-23
Real World Cases
Example Local Area NetworkExample Local Area Network
Telecommunications Telecommunications Network AlternativesNetwork Alternatives
PC Workstation PC Workstation PC Workstation
PC Workstation PC Workstation PC Workstation
Shared Printer
Shared Databasesand Software Packages
Internetwork Processorto Other Processors
NetworkServer
Shared HardDisk Unit
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KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-24
Real World Cases
Example Virtual Private NetworkExample Virtual Private Network
Telecommunications Telecommunications Network AlternativesNetwork Alternatives
IntranetServer
Router
Intranet
Company ACompany A
Company BCompany B
Intranet
IntranetServer
ExtranetServer
Router
NetworkFirewall
NetworkFirewall
Extranet
TheTheInternetInternet
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KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-25
Real World Cases
Link Staffing Case: Challenges of VPN ServicesLink Staffing Case: Challenges of VPN Services
Telecommunications Telecommunications Network AlternativesNetwork Alternatives
• Connecting 49 Branches in 29 States by a VPN
• Outsourced Network to OpenReach
• Previous Problems with Another Provider
• New Provider Quite Successful
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The Networked EnterpriseTrends in Telecommunica-tionsThe Internet RevolutionBusiness Use of the InternetSection IITelecommunica-tions AlternativesTelecommunica-tions ModelNetwork TopologiesBandwidth Alternatives
KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-26
Real World Cases
Client/Server NetworksClient/Server NetworksFunctions of the Computer SystemsFunctions of the Computer Systems
Client Systems Servers
MainframeLarge Servers
• Functions:Functions: Provide user interface, perform some/most processing on an application.
• Functions:Functions: Shared computation, application control, distributed databases.
• Functions:Functions: Central database control, security, directory management, heavy-duty processing.
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The Networked EnterpriseTrends in Telecommunica-tionsThe Internet RevolutionBusiness Use of the InternetSection IITelecommunica-tions AlternativesTelecommunica-tions ModelNetwork TopologiesBandwidth Alternatives
KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-27
Real World Cases
Other NetworkingOther Networking• Client/Server Networks
–Clients–Servers–Downsizing–Legacy Systems
• Network Computing• Peer-to-Peer Networks
(P2P)
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KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-28
Real World Cases
Other NetworkingOther Networking
A peer-to-peer network architecture with aDirectory of all peers on a central server
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KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-29
Real World Cases
Other NetworkingOther Networking
A pure peer-to-peer network architecture with no central directory server
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KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-30
Real World Cases
Telecommunications MediaTelecommunications MediaTwisted-Pair WireCoaxial CableFiber Optics• Photons• Dense Wave Division
Multiplexing (DWDM)Wireless Technologies• Terrestrial Microwave• Communications Satellites
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KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-31
Real World Cases
Telecommunications MediaTelecommunications Media
• Network Connecting 459 Restaurants and 6 Plants
• Used VSAT Satellite Communications Network
• Faster Credit Card Authorizations
• Automatic Overnight Polling of Financial Data from POS Terminals
• Planning Inventory Management Application
Bob Evans Farms Case: The Case for Satellite Bob Evans Farms Case: The Case for Satellite NetworksNetworks
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KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-32
Real World Cases
Telecommunications MediaTelecommunications MediaCellular and PCS SystemsWireless LANsThe Wireless Web• Very Thin-Clients• Wireless Application
Protocol (WAP)• Third Generation (3G)
Wireless Technologies• Wireless Markup
Language (WML)
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KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-33
Real World Cases
Telecommunications MediaTelecommunications Media
WebServer
HTMLor
XML
WMLFilter Proxy
WirelessAccessProtocol
Wireless Application Protocol Wireless Application Protocol (WAP) Architecture for (WAP) Architecture for Wireless Internet ServiceWireless Internet Service
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KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-34
Real World Cases
Telecommunications MediaTelecommunications Media
• Use of Wireless as Part of UPScan Standardization Effort
• Use of Bluetooth for Cordless Connection to Peripherals
• Developed Legacy Application Programming Interfaces (API)
• Connected to Web for New Customer Tracking Ability
The UPS Case: Wireless LANs The UPS Case: Wireless LANs and M-Commerceand M-Commerce
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KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-35
Real World Cases
Telecommunications Telecommunications ProcessorsProcessors
• Modems–Modulation–Demodulation
• Multiplexers• Internetwork Processors
–Switches–Routers–Hubs–Gateways
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KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-36
Real World Cases
Telecommunications Telecommunications ProcessorsProcessors
Corporate Local Area Network Internet Provider
Internet Backbone Internet Provider Private HomeModem
Typical Internet ConnectionTypical Internet ConnectionNetwork Interface Card
NIC
NIC
HubEthernetSwitch Router
FrameRelay
Switch Router
ATMSwitch
CoreRouter ATM
SwitchRouter
FrameRelay
Switch
RemoteAccessDevice
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KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-37
Real World Cases
Telecommunications Telecommunications ProcessorsProcessors
Comparing Connecting TechnologyComparing Connecting Technology
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KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-38
Real World Cases
Telecommunications Telecommunications SoftwareSoftware
• Network Operating Systems
• Network Management–Traffic Management–Security–Network Monitoring–Capacity Planning
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KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-39
Real World Cases
Network Management SoftwareNetwork Management Software
Telecommunications Telecommunications SoftwareSoftware
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KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-40
Real World Cases
Nielsen Media Research and Others: Nielsen Media Research and Others: Network Bandwidth Management Network Bandwidth Management ChallengesChallenges
Telecommunications Telecommunications SoftwareSoftware
• Sharing Resources Increases Bandwidth Requirements
• Need Clear Idea of Actual Bandwidth Needs
• Gaming, Audio and Video Downloads Are Large Users
• Analysis of Use Adds to Network Efficiency
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KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-41
Real World Cases
Network TopologiesNetwork Topologies• Topologies or Network
Structures• Star• Ring• Bus• Mesh• Client/Server May Use
Any Combination
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KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-42
Real World Cases
Network TopologiesNetwork TopologiesGraphical Topology Examples Graphical Topology Examples
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KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-43
Real World Cases
Network Architecture Network Architecture and Protocolsand Protocols
• International Standards Organization (ISO)
• The Seven-Layer Open Systems Interconnection (OSI) Model
• Five-Layer Transmission Control Protocol/Internet Protocol (TCP/IP)
• OSI and TCP/IP Are Related to One Another…
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KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-44
Real World Cases
Network Architecture Network Architecture and Protocolsand Protocols
TCP/IPTCP/IPThe OSIThe OSIModelModel
• Provides communications services for end user applications
• Provides appropriate data transmission formats and codes
• Supports the accomplishment of telecommunications sessions
• Supports the organization and transfer of data between nodes in the network
• Provides appropriate routing by establishing connections among network links
• Supports error-free organization and transmission of data in the network
• Provides physical transmission of data on the telecommunications media in the network
PhysicalLayer
Data LinkLayer
ApplicationLayer
NetworkLayer
TransportLayer
PresentationLayer
SessionLayer
Application orProcess Layer
Host-to-Host Transport Layer
Internet Protocol (IP)
Network Interface
Physical Layer
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KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-45
Real World Cases
Bandwidth AlternativesBandwidth Alternatives• Narrow Band• Medium Band• Broadband• Switching Alternatives
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KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-46
Real World Cases
Bandwidth AlternativesBandwidth Alternatives• Packet Switching Technology• Cell Switching Technology• Choices Made by Firms
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KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-47
Real World Cases
SummarySummary• Telecommunications Trends
• The Internet Revolution• The Business Value of the Internet
• The Role of Intranets• The Role of Extranets• Telecommunications Networks
• Network Alternatives
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The Networked EnterpriseTrends in Telecommunica-tionsThe Internet RevolutionBusiness Use of the InternetSection IITelecommunica-tions AlternativesTelecommunica-tions ModelNetwork TopologiesBandwidth Alternatives
KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-48
Real World Cases
KEY TERMSKEY TERMSBandwidth AlternativesBusiness Applications of the
InternetBusiness Value of the InternetBusiness Value of
Telecommunications Networks
Cellular Phone SystemClient/Server NetworksCoaxial CableCommunications SatellitesDownsizingExtranetsFiber-Optic CableInternet RevolutionInternet TechnologiesInternetwork ProcessorsIntranetsLegacy SystemsLocal Area Network (LAN)Modem (MOdulation -
DEModulation)
MultiplexerNetwork Architectures – OSI -
TCP/IPNetwork ComputingNetwork ManagementNetwork Operating SystemNetwork ServerNetwork TopologiesOpen SystemsPeer-to-Peer NetworksProtocolSwitching AlternativesTelecommunications ChannelsTelecommunications MediaTelecommunications Network
ComponentsTelecommunications ProcessorsTelecommunications SoftwareTrends in TelecommunicationsVirtual Private NetworkWide Area Network (WAN)Wireless LANWireless Technologies
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The Networked EnterpriseTrends in Telecommunica-tionsThe Internet RevolutionBusiness Use of the InternetSection IITelecommunica-tions AlternativesTelecommunica-tions ModelNetwork TopologiesBandwidth Alternatives
KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-49
Real World Cases
Real World Case 1 Celanese Chemicals and Others: Celanese Chemicals and Others: Wireless Business ApplicationsWireless Business Applications
Click to go toCase 1
Real World Case 2 Con-Way NOW and Trimble Con-Way NOW and Trimble Navigation: The Business Value Navigation: The Business Value of GPS Networksof GPS Networks
Click to go toCase 2
Optional Case StudiesOptional Case Studies
Real World Case 3 UPS, Wells Dairy, Novell, and UPS, Wells Dairy, Novell, and GM: The Business Value and GM: The Business Value and Challenges of Wi-Fi NetworksChallenges of Wi-Fi Networks
Real World Case 4 Grant Thornton and Others: Grant Thornton and Others: Return on Investment Challenges Return on Investment Challenges of Internet Phone Systemsof Internet Phone Systems
Click to go toCase 3
Click to go toCase 4
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The Networked EnterpriseTrends in Telecommunica-tionsThe Internet RevolutionBusiness Use of the InternetSection IITelecommunica-tions AlternativesTelecommunica-tions ModelNetwork TopologiesBandwidth Alternatives
KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-50
Real World Cases
Electronic Business Systems
Chapter 7
Module III – Business Applications
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KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-51
Real World Cases
Celanese Chemicals and Celanese Chemicals and Others: Wireless Business Others: Wireless Business
ApplicationsApplications1- What is the business value of 1- What is the business value of
wireless technologies in the wireless technologies in the chemicals and automotive chemicals and automotive manufacturing industries? manufacturing industries? What other manufacturing What other manufacturing applications might benefit applications might benefit
from wireless from wireless technologies? technologies?
Why?Why? Return toCases Page
Return toChapter 6
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KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-52
Real World Cases
•Productivity Tool-Speed Repairs
•Reduce Mileage/Time Savings
The business value would include:The business value would include:
Celanese Chemicals and Celanese Chemicals and Others: Wireless Business Others: Wireless Business
ApplicationsApplications
•Aerospace Plants•Non-Automotive Assembly Plants•Food Processing Plants
Others who could benefit from Others who could benefit from Wi-Fi include:Wi-Fi include:
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Real World Cases
Celanese Chemicals and Celanese Chemicals and Others: Wireless Business Others: Wireless Business
ApplicationsApplications
2- What are some of the 2- What are some of the business benefits of wireless business benefits of wireless technologies in finance and technologies in finance and
investments? What other investments? What other applications would you applications would you
recommend? Why? Check the recommend? Why? Check the website of Fidelity.com to help website of Fidelity.com to help
you answer.you answer.
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Real World Cases
• Target Customers with More Assets• Customer Manages Retirement Accounts• Customer Initiates Transactions
Business benefits in finance and Business benefits in finance and investments would include:investments would include:
Celanese Chemicals and Celanese Chemicals and Others: Wireless Business Others: Wireless Business
ApplicationsApplications
Other applications may include:Other applications may include:• Interenterprise Activities • Financial Planning Customer Features
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Copyright 2005, McGraw-Hill/Irwin, Inc. 6-55
Real World Cases
Celanese Chemicals and Celanese Chemicals and Others: Wireless Business Others: Wireless Business
ApplicationsApplications
3- What are some of the 3- What are some of the business benefits and business benefits and
challenges of using wireless challenges of using wireless technologies in retailing? technologies in retailing?
What are some other What are some other applications that might be applications that might be beneficial to consumers, as beneficial to consumers, as
well as retailers? Why?well as retailers? Why?
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Copyright 2005, McGraw-Hill/Irwin, Inc. 6-56
Real World Cases
•Employee Interaction-POS Terminals•Improve Inventory Accuracy•Improve Inventory Restocking Location•Fight Fraud•Increase Sales•Accessory Recommendations
Business benefits would include:Business benefits would include:
Celanese Chemicals and Celanese Chemicals and Others: Wireless Business Others: Wireless Business
ApplicationsApplications
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Real World Cases
•Customer Credit Approval
•Retail Location Available to Customers
Other applications might include:Other applications might include:
Celanese Chemicals and Celanese Chemicals and Others: Wireless Business Others: Wireless Business
ApplicationsApplications
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Return toChapter 6
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Real World Cases
•Customer Credit Approval
•Retail Location Available to Customers
•Targeted Defined Customers
Other applications might include:Other applications might include:
Celanese Chemicals and Celanese Chemicals and Others: Wireless Business Others: Wireless Business
ApplicationsApplications
Return toCases Page
Return toChapter 6
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Copyright 2005, McGraw-Hill/Irwin, Inc. 6-59
Real World Cases
Con-Way NOW and Trimble Con-Way NOW and Trimble Navigation: The Business Value of Navigation: The Business Value of
GPS Satellite NetworksGPS Satellite Networks
1- What is the business value 1- What is the business value of GPS satellite tracking and of GPS satellite tracking and communications systems to communications systems to Con-Way NOW? To their Con-Way NOW? To their
customers?customers?
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Copyright 2005, McGraw-Hill/Irwin, Inc. 6-60
Real World Cases
Con-Way NOW and Trimble Con-Way NOW and Trimble Navigation: The Business Value of Navigation: The Business Value of
GPS Satellite NetworksGPS Satellite Networks
•Provide “Time-Definite Delivery.”
•Know Location of GPS Trucks•Monitoring of Truck and Driver•Nearest Truck Locator to Transport
•Late Delivery-Less than 1% of Orders
Business value to Con-Way would Business value to Con-Way would include:include:
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Copyright 2005, McGraw-Hill/Irwin, Inc. 6-61
Real World Cases
Con-Way NOW and Trimble Con-Way NOW and Trimble Navigation: The Business Value of Navigation: The Business Value of
GPS Satellite NetworksGPS Satellite Networks
•Assurance of On Time Deliveries
•Use Least Costly Delivery
•Meeting of Delivery Needs NOW
Customer value would include:Customer value would include:
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Copyright 2005, McGraw-Hill/Irwin, Inc. 6-62
Real World Cases
Con-Way NOW and Trimble Con-Way NOW and Trimble Navigation: The Business Value of Navigation: The Business Value of
GPS Satellite NetworksGPS Satellite Networks
2- Visit the website of 2- Visit the website of Qualcomm and checkout the Qualcomm and checkout the
other satellite services other satellite services besides OmniTRACKS. What besides OmniTRACKS. What
is the business value of is the business value of several of these services?several of these services?
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Copyright 2005, McGraw-Hill/Irwin, Inc. 6-63
Real World Cases
Con-Way NOW and Trimble Con-Way NOW and Trimble Navigation: The Business Value of Navigation: The Business Value of
GPS Satellite NetworksGPS Satellite Networks
•Quality Control Improves Goods
•Implementation of GPS Services
•Include Digital Images via GPS
•Better Coordination-Wireless Services
Business values would include:Business values would include:
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Copyright 2005, McGraw-Hill/Irwin, Inc. 6-64
Real World Cases
Con-Way NOW and Trimble Con-Way NOW and Trimble Navigation: The Business Value of Navigation: The Business Value of
GPS Satellite NetworksGPS Satellite Networks
3- What is the business value 3- What is the business value of the GPS services offered of the GPS services offered by Trimble Navigation to by Trimble Navigation to
cement companies? To other cement companies? To other types of businesses? Visit types of businesses? Visit their website to help you their website to help you
answer.answer.
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Copyright 2005, McGraw-Hill/Irwin, Inc. 6-65
Real World Cases
Con-Way NOW and Trimble Con-Way NOW and Trimble Navigation: The Business Value of Navigation: The Business Value of
GPS Satellite NetworksGPS Satellite Networks
•Real-time Information Usage
•Improved Customer Relations
•Improved Scheduling Efficiency
The Business value for Trimble The Business value for Trimble Navigation would include:Navigation would include:
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Copyright 2005, McGraw-Hill/Irwin, Inc. 6-66
Real World Cases
Con-Way NOW and Trimble Con-Way NOW and Trimble Navigation: The Business Value of Navigation: The Business Value of
GPS Satellite NetworksGPS Satellite Networks
• Generating Increased Revenues• Reducing Costs• Attracting New Customers• Increase Existing Customer
Loyalty• Develop New Market
Channels
The Business value for other types The Business value for other types of business would include would of business would include would include:include:
Return toCases Page
Return toChapter 6
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Copyright 2005, McGraw-Hill/Irwin, Inc. 6-67
Real World Cases
Con-Way NOW and Trimble Con-Way NOW and Trimble Navigation: The Business Value of Navigation: The Business Value of
GPS Satellite NetworksGPS Satellite Networks
• Generating Increased Revenues• Reducing Costs• Attracting New Customers• Increase Existing Customer Loyalty• Develop New Market
Channels• Develop New Information
The Business value for other types The Business value for other types of business would include would of business would include would include:include:
Return toCases Page
Return toChapter 6
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Copyright 2005, McGraw-Hill/Irwin, Inc. 6-68
Real World Cases
UPS - Wells Dairy - Novell UPS - Wells Dairy - Novell and GM: The Business Value and and GM: The Business Value and
Challenges of Wi-Fi Networks Challenges of Wi-Fi Networks
1- What are the business 1- What are the business benefits of Wi-Fi networks?benefits of Wi-Fi networks?
•Superfast Wireless Connections
•Cost is one-fourth of Existing Costs
•Productivity-45% Gain at UPS Return to
Cases Page
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Real World Cases
2- What are some of the 2- What are some of the problems faced by problems faced by companies who are companies who are
using Wi-Fi networks? using Wi-Fi networks? What are some What are some
solutions to those solutions to those problems?problems?
UPS - Wells Dairy - Novell UPS - Wells Dairy - Novell and GM: The Business Value and and GM: The Business Value and
Challenges of Wi-Fi Networks Challenges of Wi-Fi Networks
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Real World Cases
Problems (and solutions) Problems (and solutions) would include:would include:
•“No Laptop” Meeting Policy•Determine Wireless Area Needs•Cost Versus Benefit Gains•Security of Information Available
UPS - Wells Dairy - Novell UPS - Wells Dairy - Novell and GM: The Business Value and and GM: The Business Value and
Challenges of Wi-Fi Networks Challenges of Wi-Fi Networks
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Copyright 2005, McGraw-Hill/Irwin, Inc. 6-71
Real World Cases
3- What are some other 3- What are some other business uses for Wi-Fi business uses for Wi-Fi
networks not mentioned in networks not mentioned in this case? What are their this case? What are their
business benefits and business benefits and challenges?challenges?
UPS - Wells Dairy - Novell UPS - Wells Dairy - Novell and GM: The Business Value and and GM: The Business Value and
Challenges of Wi-Fi Networks Challenges of Wi-Fi Networks
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Copyright 2005, McGraw-Hill/Irwin, Inc. 6-72
Real World Cases
Other business uses:Other business uses:•Think Outside the Box •Be Creative in Responses•Providing Solid Business Benefits
Return toCases Page
UPS - Wells Dairy - Novell UPS - Wells Dairy - Novell and GM: The Business Value and and GM: The Business Value and
Challenges of Wi-Fi Networks Challenges of Wi-Fi Networks
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Real World Cases
Other business uses:Other business uses:•Think Outside the Box •Be Creative in Responses•Providing Solid Business Benefits
•Recognize Challenges in Wi-Fi Network Return to
Cases Page
UPS - Wells Dairy - Novell UPS - Wells Dairy - Novell and GM: The Business Value and and GM: The Business Value and
Challenges of Wi-Fi Networks Challenges of Wi-Fi Networks
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Copyright 2005, McGraw-Hill/Irwin, Inc. 6-74
Real World Cases
Grant Thornton and Others: Grant Thornton and Others: Return on Investment Return on Investment
Challenges of Internet Phone Challenges of Internet Phone Systems Systems
1- What are the main 1- What are the main business benefits that can business benefits that can be gained by companies be gained by companies
that switch to VOIP that switch to VOIP telephone systems?telephone systems?
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Real World Cases
Grant Thornton and Others: Grant Thornton and Others: Return on Investment Return on Investment
Challenges of Internet Phone Challenges of Internet Phone Systems Systems
The main business benefits would include:The main business benefits would include:•Geographically Dispersed Employees•Reduction Communication Costs
•Existing Lines•Analog to Digital Calls
•Let Customer Service Handle•E-mail•Web Contacts•Phone Calls
•Go to Centralized Voice Processing•Reduced Travel/Long-distance Costs
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Copyright 2005, McGraw-Hill/Irwin, Inc. 6-76
Real World Cases
Grant Thornton and Others: Grant Thornton and Others: Return on Investment Return on Investment
Challenges of Internet Phone Challenges of Internet Phone Systems Systems
2- What are some of the 2- What are some of the major cost factors that major cost factors that
may limit a positive rate may limit a positive rate of return from of return from
investments in VOIP investments in VOIP projects?projects?
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Real World Cases
Grant Thornton and Others: Grant Thornton and Others: Return on Investment Return on Investment
Challenges of Internet Phone Challenges of Internet Phone Systems Systems
Major costs factors that may limit a Major costs factors that may limit a positive rate of return might include:positive rate of return might include:
•Upfront Costs-High•Lower Traditional Long-distance Charges
•Not-included Behind-the-Scenes Expenses
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Copyright 2005, McGraw-Hill/Irwin, Inc. 6-78
Real World Cases
Grant Thornton and Others: Grant Thornton and Others: Return on Investment Return on Investment
Challenges of Internet Phone Challenges of Internet Phone Systems Systems
3- Should more companies 3- Should more companies switch to VOIP systems? switch to VOIP systems?
Visit the websites of Avaya, Visit the websites of Avaya, eOn Communications, and eOn Communications, and Cisco Systems to view their Cisco Systems to view their VOIP news, products, and VOIP news, products, and
services to help you answerservices to help you answer ..
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Copyright 2005, McGraw-Hill/Irwin, Inc. 6-79
Real World Cases
Grant Thornton and Others: Grant Thornton and Others: Return on Investment Return on Investment
Challenges of Internet Phone Challenges of Internet Phone Systems Systems
A decision to switch would be A decision to switch would be influenced by:influenced by:•Voice Communication Level Usage
•Audio-/Video-conferencing •Currently Used Applications•Age of Analog/Digital Systems
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KEY TERMS
Copyright 2005, McGraw-Hill/Irwin, Inc. 6-80
Real World Cases
Grant Thornton and Others: Grant Thornton and Others: Return on Investment Return on Investment
Challenges of Internet Phone Challenges of Internet Phone Systems Systems
A decision to switch would be A decision to switch would be influenced by:influenced by:•Voice Communication Level Usage
•Audio-/Video-conferencing •Currently Used Applications•Age of Analog/Digital Systems•Travel Needs Replaced by VOIP Return to
Cases Page