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Protocols in multi-service networks

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The internet, like the telephone system which preceded it, depends for its existence on communications networks. This free course, Protocols in multi-service networks, examines these networks as the means of interconnecting devices so that two-way communication is possible. Examining protocols like HTTP, TCP/IP and ATM as well as the OSI reference model, it provides an overview of the topic for learners who have significant prior knowledge of the subject.

After studying this course, you should be able to:

  • evaluate technical descriptions of communication protocols and demonstrate an understanding of their operation
  • describe the characteristics of circuit-switched and packet-switched networks, and of connectionless and connection-oriented modes in packet-switched networks
  • describe the role played by primitives in the OSI reference model
  • explain how ‘vertical’ and ‘horizontal’ communication takes place in the OSI reference model
  • describe the main functions of the principal protocols in the TCP/IP architecture.

By: The Open University

  • Duration 30 hours
  • Updated Friday 30th September 2016
  • Advanced level
  • Posted under Systems (Computer)
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Protocols in multi-service networks

Introduction

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People have always communicated with each other – initially by face-to-face communication through gestures and sounds, then over a distance through written messages and signals in the form of fires, lights or flags. Technology, for instance in the form of electrical signals, has reduced many of the limitations of distance. Communication networks have become very important, and modern society depends on them for the smooth operation of economic and social activities. In this unit we regard a communication network as the means of interconnecting devices so that two-way communication is possible, and we shall focus on networks that interconnect telephones or computers. However, you should bear in mind other forms of network such as television and radio networks, which are primarily one-way, broadcast networks. In the future the separation between types of network may be less clear.

This OpenLearn course provides a sample of postgraduate study in Computing & IT [Tip: hold Ctrl and click a link to open it in a new tab. (Hide tip)]

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