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I have two questions:

  1. Can someone simplify the knowledge of windowing that is commonly used by connection-oriented protocols like TCP? I generally understand it is a technique for flow control but I still don't see how it is implemented in a real example.
  2. If I want to know the number of packets that can be received by a receiver in each second, is it reasonable to calculate it by Bandwidth * Distance.

Thank you in advance.

  • Did any answer help you? if so, you should accept the answer so that the question doesn't keep popping up forever, looking for an answer. Alternatively, you could provide and accept your own answer. – Ron Maupin Aug 7 '17 at 18:34
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  1. I'm not sure what you mean by a real example? If you want to see it in action, you can use something like Wireshark to capture a TCP conversation during a download. You could do a simple Internet search to see a lot of contrived examples.
  2. Your calculation is far short of what is needed to calculate TCP throughput. Also, you need to understand that dynamic factors like congestion will constantly change the throughput, with the windows growing and shrinking all the time to adapt to the changing network environment. Without a lot more information, it isn't possible to, "know the number of packets that can be received by a receiver in each second," and that number will change from second to second.
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