Introduction to tcp ip networks
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Introduction to TCP/IP Networks. Chapter Objectives. Understand what TCP/IP Understand scope of TCP/IP networks Explore classroom network setup Understand the Internet. Introduction to TCP/IP Networks. scope of TCP/IP networks. Origins of TCP/IP networks. Multivendor Support.

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Introduction to TCP/IP Networks

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Introduction to TCP/IP Networks


Chapter Objectives

  • Understand what TCP/IP

  • Understand scope of TCP/IP networks

  • Explore classroom network setup

  • Understand the Internet


Introduction to TCP/IP Networks

scope of TCP/IP networks

Origins of TCP/IP networks

Multivendor Support

Classroom Network

The Internet

TCP/IP Application Services


What is TCP/IP??


What is TCP/IP(continued)


What is TCP/IP(continued)


The Defense Advanced Research Projects Agency (DARPA) Requirement

  • In the late 1960s, DARPA noticed the following trends:

    - Rapid proliferation of computers in military communications

    - Deployment of multivendor equipment in communication networks

  • The U.S. Department of Defense (DoD) mandated a common set of protocols

    - Advantages are

    -- Procurement simplification

    -- Competition

    -- Interoperability

    -- Vendor productivity and efficiency

  • As a result of DoD efforts, the ARPAnet was formed, which later evolved into the Internet


The Internet community

  • Earlier Internet community consisted of

    - Universities

    -- Stanford, UCLA, Massachusetts Institute of Technology (MIT)

    -- UCSB

    -- University of Utah, University of Hawaii

    - Research organizations

    -- SRI International, Rand Corporation

    -- The Institute of Advanced Computation

    -- Bolt, Beranek, and Newman (BBN)

  • Current Internet Community includes

    • All major universities

    • Research organizations

    • Corporations

    • Individual users


Introduction to TCP/IP networks

Scope of TCP/IP Networks

Origins of TCP?IP Networks

Classroom Networks

Multivendor Support

The Internet

TCP/IP Application Services


Proprietary Networks

  • Early commercial computer network

    - Proprientary solutions

    -- Examples: IBM’s SNA, DEC’s DECnet

    - Locked users to vendor platform


Proprietary Networks (continued)


Commercial Uses of TCP/IP


Driving Force Behind TCP/IP Support

  • Currently, the driving force behind TCP/IP support is

    - Growth in network-management tools

    - Promise of interoperability

    - Commercialization of the Internet

  • Most widely implemented network-management protocol is

    - Simple Network Management Protocol (SNMP)

    -- Makes use of TCP/IP protocols


Introduction to TCP/IP Networks

Scope of TCP/IP Networks

Origins of TCP/IP Networks

Classroom Networks

Multivendor Support

The Internet

TCP/IP Application Services


TCP/IP Applications

  • A few popular application-level services are

    - Terminal emulation (TELNET)

    - File Transfer Protocol (FTP)

    - Simple Mail Transfer Protocol (SMTP)

    - Network File System (NFS)

    - Simple Network Management Protocol (SNMP)

    - Domain Name System (DNS)


TCP/IP Applications (continued)


Application Services Chart


Introduction to TCP/IP Networks


Classroom Network Configuration: 10Base-T Ethernet


Workstation Configuration: UNIX and DOS


Classroom Hosts and Servers


Software Tools for TCP/IP Applications Services

  • For Unix workstations

    - Unix with TCP/IP software

  • Protocol analysis tool

    - LANWATCH from FTP Software

  • For DOS workstations

    • WinQVT from QPC Software

    • NCSA TELNET and FTP protocols

    • PC/TCP from FTP Software

    • Son Of Stan Server (SOSS)

    • NetManage’s Chameleon


Hands-On Exercise 1.1: Warm-Up

  • Your instructor will guide you to Hands-On Exercise 1.1 in the Exercise Manual


Introduction to TCP/IP Network


TCP/IP Time-Line Evolution


Internet Examples


Introduction to TCP/IP Networks


Structure of Internet Activities Board (IAB)


RFCs and IENs


Vendors’ TCP/IP implementations should comply with the Official Protocol Standart

Practical experience suggests that vendors are not 100 percent compliant

May have interoperability problems between vendors’ TCP/IP implementations

--Differences in interpretation of standards

--Willful ignoring of standard recommendations

This course and other courses in the TCP/IP curriculum will emphasize vendor-specific issues by using the following icon:

TCP/IP Implementation Concerns


Chapter Summary

You have learned

  • What TCP/IP is

  • The scope of TCP/IP networks

  • The classroom network setup

  • About the Internet


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