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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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chapter objectives
Chapter Objectives
  • Understand what TCP/IP
  • Understand scope of TCP/IP networks
  • Explore classroom network setup
  • Understand the Internet
introduction to tcp ip networks1
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

the defense advanced research projects agency darpa requirement
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
The Internet community
  • Earlier Internet community consisted of

- Universities

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


-- 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 networks2
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
Proprietary Networks
  • Early commercial computer network

- Proprientary solutions

-- Examples: IBM’s SNA, DEC’s DECnet

- Locked users to vendor platform

driving force behind tcp ip support
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 networks3
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
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)

software tools for tcp ip applications services
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
Hands-On Exercise 1.1: Warm-Up
  • Your instructor will guide you to Hands-On Exercise 1.1 in the Exercise Manual
tcp ip implementation concerns
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
Chapter Summary

You have learned

  • What TCP/IP is
  • The scope of TCP/IP networks
  • The classroom network setup
  • About the Internet