March 2018
Intermediate to advanced
626 pages
17h 32m
English
In some cases, especially in high-speed data transfer, the graph might look like a perfectly straight line, but when you zoom in, you will see the problems.
In the following screenshot, we can see the capture file CAP_1674_06_14:

Zooming in shows us that there are time gaps, retransmissions, and other problems:

You can also see that in one second, roughly 14,000 sequences (bytes) are transferred—that is quite slow in relation to the rest of the connection.
A bar is an indication to a packet (which carries data between the initial ...
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