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Internet Technologies

Internet Technologies. Introduction. Lesson 1. Overview of Internet Technologies – Overview. Lesson 2. Lesson 3. Lesson 4. Lesson 5. This unit provides an overview of the Internet.

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Internet Technologies

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  1. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Overview Lesson 2 Lesson 3 Lesson 4 Lesson 5 • This unit provides an overview of the Internet. • We begin with a historical perspective, and introduce the organizations that play a key role in the development and growth of the Internet. • Then we will look at the structure of the Internet, and the most common physical connections used to access it. • We will also review how bandwidth issues impact the performance of Internet connectivity. Lesson 6 Summary Quiz Terms

  2. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Overview Lesson 2 Lesson 3 Lesson 4 Lesson 5 1) Overview of the Internet 2) Internet Organizations 3) Internet Documents 4) Common Internet Access Methods 5) Bandwidth Issues 6) Getting Connected Lesson 6 Summary Quiz Terms

  3. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Overview of the Internet Lesson 2 Lesson 3 Lesson 4 Lesson 5 • The Internet is a global network of computer networks. • Although this basic definition may seem rather simple, its implications are enormous. • One of the main features of the Internet is its ability to allow dissimilar computer systems, and even networks of dissimilar systems, to communicate with each other by the means of the common Transmission Control Protocol/Internet Protocol (TCP/IP) protocol. Lesson 6 Summary Quiz Terms

  4. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Overview of the Internet Lesson 2 Lesson 3 Lesson 4 Lesson 5 • Personal computers (PCs) (IBM and Apple), mainframes, and minicomputers can all talk to each other over the Internet. • The true beauty of the Internet, however, is that the Internet allows users of these computer systems to communicate and interact with each other. • In the last few years, the Internet has started a revolution in the way we communicate, work, shop, and much more. • With all the interest being focused on the Internet, it becomes difficult, if not impossible, to separate fact from fiction, vaporware from reality. Lesson 6 Summary Quiz Terms

  5. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Overview of the Internet Lesson 2 Lesson 3 Lesson 4 • At the end of this lesson you shouldbe able to: • Gain a basic understanding of the early development of the Internet • Have a general knowledge of what is available on the Internet • Understand some of the terminology of the Internet Objectives Lesson 5 Lesson 6 Summary Quiz Terms Key Point • The Internet is the network of networks.

  6. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Overview of the Internet Lesson 2 Lesson 3 Lesson 4 Lesson 5 • Early History • Began in 1969 • By 1983 Converted to the TCP/IP Protocol • Quick Connectivity to ARPANET Backbone • 1991 NSF started allowing commercial use • 1990 HTML and the WWW entered picture • Now a vast collection of information • Over 100 Million users world-wide Lesson 6 Summary Quiz Terms

  7. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Overview of the Internet Lesson 2 Lesson 3 Lesson 4 The Physical Structure of the Internet Lesson 5 Lesson 6 Network of Networks Summary Quiz Terms

  8. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Overview of the Internet Lesson 2 Lesson 3 Lesson 4 The Physical Structure of the Internet (cont.) Lesson 5 Lesson 6 Summary Internet Backbone Quiz Terms

  9. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Overview of the Internet Lesson 2 Lesson 3 Lesson 4 Growth of the Internet Lesson 5 Lesson 6 Summary Quiz Terms Internet Growth Diagram (Number of Hosts in Millions)

  10. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Overview of the Internet Lesson 2 Lesson 3 Lesson 4 Internet, internet, Intranet, and Extranet Lesson 5 Lesson 6 Summary Quiz Terms The Internet

  11. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Overview of the Internet Lesson 2 Lesson 3 Lesson 4 Internet, internet, Intranet, and Extranet (cont.) Lesson 5 Lesson 6 Summary Quiz Terms Sample “internet”

  12. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Overview of the Internet Lesson 2 Lesson 3 Lesson 4 Internet, internet, Intranet, and Extranet (cont.) Lesson 5 Lesson 6 Summary Quiz Terms Intranet Server

  13. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Overview of the Internet Lesson 2 Lesson 3 Lesson 4 Internet, internet, Intranet, and Extranet (cont.) Lesson 5 Lesson 6 Summary Quiz Terms Extranet

  14. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Overview of the Internet Lesson 2 Lesson 3 Lesson 4 Activities Lesson 5 1) An ______ refers to an internetwork without reference to the scope of the connection. 2) The _____refers to the internetwork of computers attached to the global network of networks. 3) An ________ is a private Internet. 4) An ______ refers to a network that is sharing a server between closely aligned organizations. Lesson 6 Summary Quiz Terms

  15. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Overview of the Internet Lesson 2 Lesson 3 Lesson 4 Activities (cont.) Lesson 5 5) Companies that provide Internet access as well as e-mail services and Web services are called _______________________. 6) The Internet, under the name of ARPANET, has been in operation since 1969 originally for what purpose? 7) List five subjects that you can find information about on the Internet. Lesson 6 Summary Quiz Terms

  16. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Overview of the Internet Lesson 2 Lesson 3 Lesson 4 Activities (cont.) Lesson 5 8) The ____ is the portion of the Internet where the ISPs connect to provide connectivity for organizations and individual users. 9) The __________ provides architectural, technical, and standards oversight of the Internet. Lesson 6 Summary Quiz Terms

  17. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Overview of the Internet Lesson 2 Lesson 3 Lesson 4 Extended Activities Lesson 5 1) As directed by your instructor, go to the following Uniform Resource Locator (URL) and access the links associated with this course (Internet Technologies) and lesson. Perform the exercise and summarize your findings. http://www.westnetinc.com/student/internet Lesson 6 Summary Quiz Terms

  18. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Overview of the Internet Lesson 2 Lesson 3 Lesson 4 Extended Activities (cont.) Lesson 5 2) Research how your particular site is connected to the Internet. Describe the following: a. Connection to the Internet b. Name of ISP c. ISP connectivity to the backbone of the Internet Lesson 6 Summary Quiz Terms

  19. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Internet Organizations Lesson 2 Lesson 3 Lesson 4 • The Internet is like a game that anyone is allowed to play. • But, like players in any sport, Internet players must follow certain rules and procedures, and must bring certain types of equipment to the playing field. • The equipment of the Internet will be discussed later in this book. • This lesson will introduce you to some of the most important rules, and rulemakers, of the Internet. Lesson 5 Lesson 6 Summary Quiz Terms

  20. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Internet Organizations Lesson 2 Lesson 3 Lesson 4 • No organization, company, or government actually owns the Internet. • Like Olympic sports, the Internet is controlled by independent governing bodies, each with its specific charter. Lesson 5 Lesson 6 Summary Quiz Terms

  21. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Internet Organizations Lesson 2 Lesson 3 Lesson 4 • At the end of this lesson you shouldbe able to: • List the key Internet organizations • Describe the primary role of the key Internet organizations Objectives Lesson 5 Lesson 6 Summary Quiz Terms Key Point No one person or organization owns or controls the Internet.

  22. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Internet Organizations Lesson 2 Lesson 3 Lesson 4 • Important Organizations: • National Science Foundation • Internet Society • Internet Standards Organizations Lesson 5 Lesson 6 Summary Quiz Terms

  23. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Internet Organizations Lesson 2 Lesson 3 Lesson 4 • National Science Foundation • Not an official Internet organization, US Government agency • Became involved with the Internet in mid 80s • The NSFNET connected supercomputer centers • 1991 NSFNET began carry commercial traffic • 1995 NFS created vBNS with MCI • Very High-Speed Backbone Network Service Lesson 5 Lesson 6 Summary Quiz Terms

  24. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Internet Organizations Lesson 2 Lesson 3 • Internet Society (ISOC) • Closest thing to an Internet authority • Created to lead in creation of standards, issues and standards • Internet Engineering Task Force (IETF) • Make technical contributions • Concerned with technologies • Consist of four groups: • ISOC - Internet Society • IAB – Internet Architecture Board • IESG – Internet Engineering Steering Group • IETF – Internet Engineering Task Force Lesson 4 Lesson 5 Lesson 6 Summary Quiz Terms

  25. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Internet Organizations Lesson 2 Lesson 3 Lesson 4 • Internet Corporation for Assigned Numbers • Responsible for IP address allocation • Domain name system management • Root server system management • Internet Network Information Center (InterNIC) • Manages Internet Addressing • Under management of Network Solutions • Issues Domain Names Lesson 5 Lesson 6 Summary Quiz Terms

  26. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Internet Organizations Lesson 2 Lesson 3 Lesson 4 • World Wide Web Consortium (W3C) • Repository of information about the web • Promotion of standards • Stores prototypes of new technologies and sample applications Lesson 5 Lesson 6 Summary Quiz Terms

  27. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Internet Organizations Lesson 2 Lesson 3 Lesson 4 Activities Lesson 5 1) Match the organizations listed below, with the appropriate function (choose one letter): IAB _______ IESG ______ RIPE ______ IETF ______ ISOC ______ ICANN ____ APNIC _____ IRTF ______ InterNIC ____ ARIN ______ a. Manages IP addresses for Asia and the Pacific b. Provides oversight of the architecture and protocols on the Internet Lesson 6 Summary Quiz Terms

  28. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Internet Organizations Lesson 2 Lesson 3 Lesson 4 Activities (cont.) Lesson 5 1) Match the organizations listed below, with the appropriate function (choose one letter): IAB _______ IESG ______ RIPE ______ IETF ______ ISOC ______ ICANN ____ APNIC _____ IRTF ______ InterNIC ____ ARIN ______ c. Assures the beneficial and open evolution of the global Internet d. Focuses on long term issues related to the Internet (as opposed to short term issues) Lesson 6 Summary Quiz Terms

  29. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Internet Organizations Lesson 2 Lesson 3 Lesson 4 Activities (cont.) Lesson 5 1) Match the organizations listed below, with the appropriate function (choose one letter): IAB _______ IESG ______ RIPE ______ IETF ______ ISOC ______ ICANN ____ APNIC _____ IRTF ______ InterNIC ____ ARIN ______ e. Manages IP addresses for Europe f. Registry of domain names that fall under com, org, net, and edu Lesson 6 Summary Quiz Terms

  30. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Internet Organizations Lesson 2 Lesson 3 Lesson 4 Activities (cont.) Lesson 5 1) Match the organizations listed below, with the appropriate function (choose one letter): IAB _______ IESG ______ RIPE ______ IETF ______ ISOC ______ ICANN ____ APNIC _____ IRTF ______ InterNIC ____ ARIN ______ g. Manages IP addresses for the western hemisphere h. Will take over responsibility for IP address space allocation and other functions, now performed by the U.S. government Lesson 6 Summary Quiz Terms

  31. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Internet Organizations Lesson 2 Lesson 3 Lesson 4 Activities (cont.) Lesson 5 1) Match the organizations listed below, with the appropriate function (choose one letter): IAB _______ IESG ______ RIPE ______ IETF ______ ISOC ______ ICANN ____ APNIC _____ IRTF ______ InterNIC ____ ARIN ______ i. Identify and propose solutions to pressing operational and technical problems in the Internet j. Responsible for technical management of the Internet Engineering Task Force activities Lesson 6 Summary Quiz Terms

  32. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Internet Organizations Lesson 2 Lesson 3 Lesson 4 Extended Activities Lesson 5 1) As directed by your instructor, go to the following URL and access the links associated with this course (Internet Technologies) and lesson. Perform the exercise and summarize your findings. http://www.westnetinc.com/student/internet Lesson 6 Summary Quiz Terms

  33. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Internet Documents Lesson 2 Lesson 3 Lesson 4 • The purpose of this lesson is to provide an overview of the documents and standards that control the structure and function of the Internet. Lesson 5 Lesson 6 Summary Quiz Terms

  34. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Internet Documents Lesson 2 Lesson 3 Lesson 4 • At the end of this lesson you should beable to: • Understand the purpose of a Request for Comment (RFC) • Understand the purpose of an Internet Standard • Understand the purpose of an Internet Draft Objectives Lesson 5 Lesson 6 Summary Quiz Terms Key Point • RFCs provide many technical details about the Internet.

  35. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Internet Documents Lesson 2 Lesson 3 Lesson 4 • Internet Standards Creation Process • Proposed Spec. reviewed by the Internet community • Specification adopted as a standard and published • Goals of the Standards Process • Openness and fairness • Technical Excellence • Timeliness Lesson 5 Lesson 6 Summary Quiz Terms

  36. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Internet Documents Lesson 2 Lesson 3 Lesson 4 • Request For Comments (RFCs) • Cover a wide range of topics • Rules of document format in RFC 1543 • Some RFCs document Internet standards and referred to as STDs • Some RFCs summarize community deliberations and are referred to as BCPs • Internet Drafts • Early versions of documents • If not recommended it must be removed Lesson 5 Lesson 6 Summary Quiz Terms

  37. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Internet Documents Lesson 2 Lesson 3 Lesson 4 Activities Lesson 5 1) Match the purpose listed below, with the Internet document type (choose a letter below—letters may be used more than once). a. RFC b. BCP c. STD d. ID RFCs that document Internet Standards ________ Documents an Internet standards-related specification __________ Discussions of new research concepts _________ Lesson 6 Summary Quiz Terms

  38. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Internet Documents Lesson 2 Lesson 3 Lesson 4 Activities (cont.) Lesson 5 1) Match the purpose listed below, with the Internet document type (choose a letter below—letters may be used more than once). a. RFC b. BCP c. STD d. ID Statements on best practices and ways to perform operations and processes __________ Status of Internet protocol and service specifications __________ Develops documents made available for informal review and comment __________ Internet Standards Process __________ Lesson 6 Summary Quiz Terms

  39. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies – Internet Documents Lesson 2 Lesson 3 Lesson 4 Extended Activities Lesson 5 1) As directed by your instructor, go to the following URL and access the links associated with this course (Internet Technologies) and lesson. Perform the exercise and summarize your findings. http://www.westnetinc.com/student/internet 2) Download and review at least one RFC, Internet Standard, and Internet Draft. Lesson 6 Summary Quiz Terms

  40. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies –Common Internet Access Lesson 2 Lesson 3 Lesson 4 • This lesson provides an overview of common ways individual users and groups of users can access the Internet. Lesson 5 Lesson 6 Summary Quiz Terms

  41. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies –Common Internet Access Lesson 2 Lesson 3 Lesson 4 Objectives Lesson 5 • At the end of this lesson you shouldbe able to: • Describe the services available to Internet users • Compare the service offerings available for Internet access Lesson 6 Summary Quiz Terms Key Point • Internet access speeds varywith costs.

  42. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies –Common Internet Access Lesson 2 Lesson 3 Lesson 4 Overview of Access to the Internet Lesson 5 Lesson 6 Summary Quiz Individual Internet Access Terms

  43. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies –Common Internet Access Lesson 2 Lesson 3 Lesson 4 Overview of Access to the Internet(cont.) Lesson 5 Lesson 6 Summary Multiple-User Access Quiz Terms

  44. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies –Common Internet Access Lesson 2 Lesson 3 Lesson 4 • Internet Service Providers (ISPs) • Provide Internet access to individuals and organizations • Connectivity comes in a variety of forms • Dedicated versus Non-Dedicated Options Lesson 5 Lesson 6 Summary Quiz Terms

  45. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies –Common Internet Access Lesson 2 Lesson 3 Lesson 4 Connection Types Lesson 5 Lesson 6 Summary Quiz Terms Dedicated vs. Non-dedicated Access

  46. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies –Common Internet Access Lesson 2 Lesson 3 Lesson 4 • Dedicated Access Methods • Dedicated Dialup • ISDN • Private Line Connectivity have common characteristics • Common Carrier Connection • DSU/CSU • Router • Service from ISP Lesson 5 Lesson 6 Summary Quiz Terms

  47. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies –Common Internet Access Lesson 2 Lesson 3 Lesson 4 Connection Types (cont.) Lesson 5 Lesson 6 Summary Quiz Dedicated Connection Costs Estimate Comparison Terms Connection Speed Initial Initial Annual Annual Total Type Hardware Setup Line Internet Annual Cost Cost Cost Access Cost Cost Frame Relay 56 Kbps $2,000 $400 $500 $3,000 $3,500 Frame Relay 64 Kbps $2,000 $500 $600 $3,200 $3,800 Frame Relay 1.544 Mbps $2,850 $975 $2,360 $8,000 $10,360 Private Line DS-0 56 Kbps $2,190 $450 $1,860 $3,500 $5,360 Private Line DS-1 1.544 Mbps $5,200 $750 $3,400 $10,000 $13,400

  48. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies –Common Internet Access Lesson 2 Lesson 3 Lesson 4 • Non-Dedicated Access Methods • Uses Telephone System • Modems Required • Modems and line conditions determine access rate Lesson 5 Lesson 6 Summary Quiz Terms

  49. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies –Common Internet Access Lesson 2 Lesson 3 Lesson 4 Connection Types (cont.) Lesson 5 Lesson 6 Summary Quiz Modem Connectivity Terms

  50. Internet Technologies Introduction Lesson 1 Overview of Internet Technologies –Common Internet Access Lesson 2 Lesson 3 Lesson 4 • DSL and Internet Access • Local Loop is gathering much attention • Competition in the “broadband” arena • DSL and Cable Modems are primary technologies Lesson 5 Lesson 6 Summary Quiz Terms

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