December 2019
Beginner
510 pages
12h 7m
English
Content preview from Networking Fundamentals
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Layer 4 – the transport layer
The transport layer is responsible for host-to-host communication and creating a logical connection between the two devices. It includes initiating the connection between the devices, flow control between the devices, same-order delivery, and multiplex communication.
The two main protocols on the transport layer are as follows:
- Transmission Control Protocol (TCP)
- User Datagram Protocol (UDP)
I will discuss both of these in more detail in the following sections, but I would like to mention a few areas that they have in common.
First, both protocols include a checksum. This checksum is a means of error detection. When the data is processed for sending, the sending device performs a calculation that generates ...
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