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** Mastering Data Communication: Industry Insights & Solutions**

Explore key concepts, terminology, history, and impacts of regulation in the data communication industry. Learn about standards, challenges, and solutions for effective business-oriented data communication analysis.

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** Mastering Data Communication: Industry Insights & Solutions**

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  1. Chapter 1The Data Communication Industry • The best way to approach data communication • The data communication industry • Challenge & solution to business-oriented data communication analysis

  2. The Best Way to Approach Data Communication • Never know everything in the field • Honest about your knowledge • Consult with expertise • Lifelong learning

  3. Data Communication Industry • General concept • Terminology • History • Regulation • Deregulation • Standard • Driving forces

  4. General Concept - I • Data communication • The encoded transmission of data (voice, data, & video) via electrical, optical or wireless means between computers or network processor • Benefits • Delivering data & information • Real time • Distance • Competitive advantages

  5. General Concept - II • Components • Source (Transmitter) • Medium (Communication Line) • Sink (Receiver) • Communication networks • Communication rules (protocols)

  6. General Concept - III • Selection Criteria • Availability - time • Reliability - hardware & software • Online and real-time • Response time • User interface • Ergonomics • Flexibility

  7. Terminology • Local exchange carrier (LEC) • Regional Bell Operating Company (RBOCs) • Inter-exchange carrier (IXC) • Public switched network • Central office (CO) • Local access transport area (LATA) • Intra LATA (Local Calls) • Inter LATA (Long-Distance Calls) • Point of present (POP) • Competitive access providers (CAPs)

  8. History • Telegraph • Telephone • Computer • Transistor • Large-Scale Integrated Circuits • Satellite

  9. Regulation Agencies • Federal Communication Commission (FCC) • Public Utility Commission (PUC) or Public Service Commission (PSC)

  10. Reasons for Regulation • Universality or compatibility • Protection • Interference • Duplication • Infrastructure

  11. Subjects of Regulation • Installation & operation • Price • Profit • Tariffs • Duration • Amount of Data • Minimum Service Charge • Flat Rate

  12. Deregulation • Interconnect industry • Caterfone decision (1968) • MCI decision (1969) • Antitrust • Computer Inquiry I (1971) • Open skies policy (1971) • Modified Final Judgement (1982) • Open network architecture (1986-1987) • Deregulation • Telecommunication Act (1996)

  13. Impacts of Deregulation • Competition • Better and economical service • New and flexible products

  14. Standards - I • Making Organizations • International Telecommunications Union-Telecommunication Standardization Section (ITU-T) (Consultative Committee on International Telephones and Telegraph (CCITT)) • International Standards Organization (ISO) • American National Standard Institute (ANSI) • Electrical Industries Association (EIA) • National Institute of Standards and Technology (NIST) • Institute of Electrical and Electronic Engineers (IEEE)

  15. Standards -II • Concepts • Rules for Compatibility • Open System • Specify “How”

  16. Standards - III • Needs • Complex communication systems • Maintenance and future growth • Connectivity between network devices • Distributed processing systems • Diagnostic and performance management

  17. Standards - IV • Pros • Compatibility between vendors • Fewer products • Cons • Slow processing • Obsolescence • Freezing technology • Discouraging innovation

  18. Driving Force • Technology push/demand pull • Vendors/consultants • Business & users • Carriers • Research • Technology • Manufacturers

  19. Challenges • Technology investment vs. productivity gains • Technology meets business needs • Complex and compatibility issues

  20. Solutions - I • Top-down model • Business: objectives • Application: generates information to achieve objectives • Data: needed by applications • Network: delivery data & information • Technology: increases productivity and efficiency • Cost/benefit analysis

  21. Solutions - II • Open systems interconnection (OSI) model • Physical • Data link • Network • Transport • Session • Presentation • Application

  22. Solutions - III • Internet suite of protocols model • TCP/IP (transmission control protocol/internet protocol) • Input-processing-output (I-P-O) model

  23. Assignment • Review Goldman chapter 1 • Prepare activities problem no. 3 (p. 32) • Read Goldman chapter 2

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