TAILIEUCHUNG - Networking Basics - TCP/IP TRANSPORT and APPLICATION LAYER

The primary duties of the transport layer, Layer 4 of the OSI model, are to transport and regulate the flow of information from the source to the destination, reliably and accurately. End-to-end control and reliability are provided by sliding windows, sequencing numbers, and acknowledgments To understand reliability and flow control, think of someone who studies a foreign language for one year and then they visit the country where that language is used. In conversation, words must be repeated for reliability and to speak slowly so that the meaning of the conversation is not lost, this is flow control. The transport. | Networking Basics TCP/IP TRANSPORT and APPLICATION LAYER Version Cisco Regional Networking Academy Objectives Describe the functions of the TCP/IP transport layer. Describe flow control. Describe the processes of establishing a connection between peer systems. Describe windowing. Describe acknowledgment. Identify and describe transport layer protocols. Describe TCP and UDP header formats. Describe TCP and UDP port numbers. List the major protocols of the TCP/IP application layer. Provide a brief description of the features and operation of well-known TCP/IP applications. Table of Content 1 TCP/IP Transport Layer 2 TCP/IP Application Layer TCP/IP TRANSPORT LAYER Introduction to transport layer The primary duties of the transport layer are to transport and regulate the flow of information from the source to the destination, reliably and accurately. The transport layer defines end-to-end connectivity between host applications Transport services include the following basic services:

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