A clear and comprehensive guide to TCP / IP protocol essential reference to what really happened at the network level include Telnet, FTP, HTTP, SMTP, ESMTP, IMAP4, POP3, NNTP, and LDAP IP4 and IP6 In Detail This book covers in detail the Open System Interconnection (OSI) reference model and TCP / IP protocols that operate that different layers. The author explains in easy-to-read style networking concepts and protocols, with examples that make the book a practical guide in addition to the theory of coverage. What you will learn from this book? This book covers all the basic and advanced use of TCP / IP Chapter 1 is a general introduction to understanding networking concepts necessary to read this book. This chapter introduces the Open System Interconnection (OSI) networking framework, which defines seven layers for implementing network protocols, and simple TCP / IP model. This chapter also explains how the choice of physical layer protocols depend on the choice of links, with emphasis on Ethernet, Fast Ethernet, and Gigabyte. Chapter 4 describes the link layer, with a focus on the following link protocols: Serial Line Internet Protocol (SLIP), Compressed SLIP (CSLIP), High-level Data Link Control (HDLC), Point-to-Point Protocol (PPP), Frame Relay, and Ethernet. This includes the IP datagram, Internet Control Message Protocol (ICMP), Address Resolution Protocol (ARP), Reverse ARP (RARP), and Internet Group Management Protocol (IGMP). Chapter 6 includes IP addresses in IP version 4. Chapter 7 includes IP routing and IP forwarding, including the handling of routing tables, routing protocols, such as Vector Routing Protocol (RVP) and Link State Protocol (LSP), and Neutral Exchange Point (NIX). Chapter 8 focused on the version, the IP 6, which increases the size of the IP address of 4-16 bytes and introduces some changes to the IP datagram. Chapter 9 includes the Transmission Control Protocol (TCP), a protocol that transfers data between applications on different computers.