On 06/04/2020, 16:20, "Eric Rescorla" <e...@rtfm.com> wrote: > First, let me say that in scenarios like the one you posit we have > other problems besides ACK inefficiency. Specifically, DTLS doesn't do > any real congestion control and so your initial window will be way too > big if you broadcast a 40K message at once. So I don't think a huge > amount of optimization is in order here.
While it is true that there's no explicit congestion control, that doesn't prevent an implementation to conservatively pace the send instead of firing off the whole 40K worth of payload at line rate. > By contrast. we do know that DTLS retransmission is too slow and given > that small flights are common, losing the ability to indicate that you > lost a tail seems undesirable. I agree this should be avoided if possible. IMPORTANT NOTICE: The contents of this email and any attachments are confidential and may also be privileged. If you are not the intended recipient, please notify the sender immediately and do not disclose the contents to any other person, use it for any purpose, or store or copy the information in any medium. Thank you. _______________________________________________ TLS mailing list TLS@ietf.org https://www.ietf.org/mailman/listinfo/tls
