business data communications addressing the challenge of living in a connected world
TRANSCRIPT
Business Data CommunicationsAddressing the Challenge of Living in a
Connected World
Learning Objectives
• Describe the use of ultra wideband technology
• Describe wireless hotspots
• List common uses for radio frequency IDs
Chapter 15: Addressing the Challenge of Living in a Connected World2
Learning Objectives
• Define e-services
• Describe the advantages, disadvantages, and challenges of living in a connected world
• List the job skills needed by professionals in the networking field
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Introduction
• Advances in network technology makes life more complicated
• Advantages and disadvantages exist to this new technology
• New careers have been created in this new era of communication
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Emerging Technologies
• Ultra Wideband (UWB) Technology– Faster wireless technology
• 200 Mbps at up to 500 feet
– Applications• Search and rescue • Search buildings for criminals• Search burning buildings for victims• Remote inventory control• Replacement for personal area networks
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Emerging Technologies
• Ultra Wideband (UWB) Technology– Standards
• Completed by 2004• Devices available by 2006
– Bandwidth• 3.1 to 10.6 GHz
– Restricted to prevent interference with other wireless devices
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Emerging Technologies
• Wireless Hotspots– IEEE 802.11 networking devices– AKA Wi-Fi– Distance from hotspot is 300 yards– Cometa Networks plans to have 20,000
access points by 2004– Urban wireless hotspots
• In metropolitan areas
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Emerging Technologies
• Radio Frequency IDs (RFIDs)– Replacement for bar codes– May use for inventory control
• Don’t need to “see” the items• Bar codes must be visible to be read
– Wal-Mart will require distributors to use them by 2005
– Standards in development at MIT– One concern is the use of RFIDs to track
individuals
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Emerging Technologies
• E-Services– Method that is superior to e-commerce in
increasing revenues– Increase service to customers and building
better customer relationships– Software that is used
• Microsoft .NET• Sun Microsystems J2EE
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Living in a Connected World
• Advantages to Living in a Connected World– Instant access to information– Widespread marketing to customers– Build business relationships– Reduction in amount of paper generated– E-mail – Location independence through wireless
technology
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Living in a Connected World
• Advantages to Living in a Connected World– Videoconferencing– Wider bandwidth is available– Global marketplace – Convenience for busy people– Easier access through cellular technology
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Living in a Connected World
• Disadvantages to Living in a Connected World– Additional tasks (e-mail volume)– Spam– Exchange of jokes among employees– Intrusion on private lives by cellular phones
and pagers– Distractions caused by cellular phones
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Living in a Connected World
• Disadvantages to Living in a Connected World– Internet hackers– Must keep up with technology
• Cellular calling plans• Other services• DSL and cable services
– Personal networks need maintenance
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Living in a Connected World
• Challenges to Living in a Connected World– Use the technology productively in business
and personal lives– Responsible use of technology (Cellular)– Companies don’t misuse technology– Privacy must be protected– Continuing education is critical
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Careers in a Connected World
• E-commerce consultant
• Web designer
• Network technician
• Online customer support
• Network administrator
• Certification
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Summary
• Many new technologies are emerging
• Third generation of mobile communications
• Bluetooth
• Enhanced Data Rates for Global Evolution
• SyncML
• Challenges exist for living in this connected world
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Summary
• Advantages to the new technologies can make our lives easier
• Disadvantages involve privacy and misuse issues
• Many new job titles have emerged in our new economy
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