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Chapter 5
The Transport Layer
The purpose of this chapter is to acquaint the reader with the two transport
layer protocols supported by the TCP/IP suite. These protocols are the Trans-
mission Control Protocol (TCP) and the User Datagram Protocol (UDP).
As indicated in Chapter 3, either TCP or UDP can be identified by setting
an applicable value in the IP header. Although the use of either protocol
results in the placement of the appropriate transport layer header behind the
IP header, there are significant differences between the functionality of each
transport protocol. Those differences make one protocol more suitable for
certain applications than ...