Guide to OSI and TCP/IP Models

verfasst von: Mohammed M. Alani

Verlag: Springer International Publishing

Buchreihe : SpringerBriefs in Computer Science

Enthalten in: Springer Professional "Wirtschaft+Technik" , Springer Professional "Technik" , Springer Professional "Wirtschaft"

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Über dieses Buch

This work opens with an accessible introduction to computer networks, providing general definitions of commonly used terms in networking. This is followed by a detailed description of the OSI model, including the concepts of connection-oriented and connectionless communications. The text carefully elaborates the specific functions of each layer, along with what is expected of protocols operating at each layer. Next, the journey of a single packet, from source to destination, is described in detail. The final chapter is devoted to the TCP/IP model, beginning with a discussion of IP protocols and the supporting ARP, RARP and In ARP protocols. The work also discusses the TCP and UDP protocols operating at the transport layer and the application layer protocols HTTP, DNS, FTP, TFTP, SMTP, POP3 and Telnet. Important facts and definitions are highlighted in gray boxes found throughout the text.

Inhaltsverzeichnis

Frontmatter

Chapter 1. What are Computer Networks?

Abstract

This chapter starts by defining networks and their uses. The reasons behind using a computer network are also introduced in this chapter. This is followed by definitions of the most commonly used terms that a starter needs to know. The first section ends with an introduction to the three modes of communication; simplex, half-duplex and full-duplex. At the end of the chapter, the reasons behind studying networks as a layered model are identified.

Mohammed M. Alani

Chapter 2. OSI Model

Abstract

This chapter starts with a brief history of the OSI model and how it all started in the mid 1970s. Afterwards, the OSI model is explained in details along with the functions and duties of each layer in the model. Studying the OSI model is a simple first step into the networking world. At the end of the chapter, the encapsulation and decapsulation processes are introduced such that the reader would understand the end-to-end data flow from one host to another.

Mohammed M. Alani

Chapter 3. TCP/IP Model

Abstract

This chapter gives a brief introduction to the TCP/IP model and the protocols used in each layer. The chapter starts by a historical background about the TCP/IP model and how it all started. The TCP/IP model layers are briefly explained in contrast with the OSI model and its layers. The network access layer is introduced and the flexibility of the TCP/IP model in this layer is also explained. Then, the internetwork layer is explained with brief description of the most important protocols operating in the network layer; IP, ICMP, ARP and RARP, and InARP. The next section provides brief description about the transport layer and the two protocols operating in this layer; TCP and UDP. The last section of this chapter describes the application layer of the TCP/IP model. A brief description of the most commonly used application protocols; HTTP, DNS, FTP and TFTP, SMTP, POP3, and Telnet, is also given.

Mohammed M. Alani

Titel: Guide to OSI and TCP/IP Models
verfasst von: Mohammed M. Alani
Verlag: Springer International Publishing
Electronic ISBN: 978-3-319-05152-9
Print ISBN: 978-3-319-05151-2
DOI: https://doi.org/10.1007/978-3-319-05152-9

Springer Professional

Über dieses Buch

Inhaltsverzeichnis

Frontmatter

Chapter 1. What are Computer Networks?

Chapter 2. OSI Model

Chapter 3. TCP/IP Model

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