Tcp Protocol

TCP /IP

Topics to be covered

1. The TCP/IP Architecture

2. The Internet Protocol

3. IPV6

4. User Datagram Protocol

5. Transmission Control Protocol

6. Internet Routing Protocol

7. Multicast Routing

8. DHCP NAT and Mobile IP

1. TCP/IP architecture. We have designed this book so that TCP/IP is introduced gradually throughout the text. In this section we summarize the TCP/IP concepts that are introduced in previous chapters. The remainder of the chapter then discusses various components of the TCP/IP protocol suite.

2. Internet Protocol (IP). We examine the structure of the network layer: the IP packet, the details of IP addressing, routing, and fragmentation and reassembly. We also discuss how IP is complemented by the Internet Control Message Protocol (ICMP).

3.. IP version 6. We discuss the motivations for introducing a new version of IP,

and we describe the features of IP version 6.

4. Transport layer protocols. We discuss the structure of the transport layer: TCP and UDP. We examine in detail how TCP uses ARQ techniques to provide reliable stream service and ¯ow control end to end across connectionless packet networks. We examine the structure of a TCP and its protocol data unit (PDU), and we discuss the state transition diagram of the connection management process.

5. DHCP and mobile IP. We discuss two key protocols: Dynamic Host Configuration Protocol (DHCP) provides a mechanism for the temporary allocation of IP addresses to hosts; mobile IP allows a device to use the same IP address regardless of where it attaches to the network.

6. Internet routing. A key element of IP is the routing protocols that are used to synthesize the routing tables that direct packets in the end systems and in the routers. We introduce the Routing Information Protocol (RIP) and the Open Shortest Path First (OSPF) protocol for building routing tables within a domain. We also introduce the Border Gateway Protocol (BGP) for inter-domain...