Introduction to Computer Networks and Cybersecurity

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 ...