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I know about cumulative and selective acknowledgements TCP protocol offers.

Do you know any other protocols (apart from TCP), that support cumulative acknowledgements?

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    There may be several that are proprietary and never see the light of day. Why do you ask?
    – Ron Trunk
    Jan 19 '16 at 15:21
  • I'm preparing myself for an exam and I stumbled upon this question. All books and other resources mention TCP as an example. Jan 19 '16 at 15:31
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Trivial File Transfer Protocol (TFTP) running over UDP/69 also includes a built-in Acknowledgement system which is cumulative over the course of a file transfer.

Adding one:

IPsec includes a Sequence Number in the ESP/AH header. That can also be considered a cumulative acknowledgement. Although not in the strict sense that TCP or TFTP use it.

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One such protocol is OSPF, which uses a Database Description Sequence Number to keep track of database updates.

I'm sure there are others.

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