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TCP Headers: Window Size, Checksum & More

Explore TCP header details such as window size which manages data flow, the mandatory checksum for error detection, urgent pointer usage, and how options extend TCP functionality. This lesson helps you understand how these elements maintain reliable communication in the transport layer.

Window Size

Remember the ‘buffer’ we discussed in the last lesson? Well, the window size is essentially the amount of available space in that buffer. TCP at the receiving end buffers incoming data that has not been processed yet by the overlaying application. The amount of ...

The window size is a critical element of TCP
The window size is a critical element of TCP

The window size can be ...