Chapter 7. Transport Layer
On a single device, people can use multiple applications and services such as email, the Web, and instant messaging to send messages or retrieve information. The transport layer enables these multiple applications to send data over the network at the same time and ensures that, if necessary, all the data is received by the destination. In this chapter, we review the role of the transport layer in encapsulating application data for use by the network layer.
Transport Layer Protocols
The transport layer is responsible for establishing a temporary communication session between two applications and delivering data between them. In TCP/IP, this process is handled by two very different transport layer protocols: Transmission ...
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