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Introduction to Computer Networks and Cybersecurity by J. David Irwin, Chwan-Hwa Wu

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Chapter 1

The Application Layer

The learning goals for this chapter are as follows:

  • Obtain an appreciation for the tremendous number of applications that are fundamental to the use of computer networks
  • Explore the three dominant application architectures used to structure the applications among various end host systems
  • Understand the use of a socket in sending and receiving messages through the network
  • Obtain an understanding of the transport layer services that can be employed in computer networks and the transport protocols that are applicable to this environment
  • Explore the facets and ramifications of the Hypertext Transfer Protocol (HTTP) as the Web’s application layer protocol
  • Understand the differences involved between the persistent ...

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