Hello Chris, On Mon, Mar 26, 2018 at 06:33:25AM -0700, Chris Wood wrote: > > * On the topic of DTLS protected connections: [...] so that I can > > issue a retransmit at a later time using the same DTLS sequence > > number? > > No. Such details are hidden beneath the API. Retransmission, for > example, would be something you specify on a per-message basis.
Would that mean that I can tell it to send this particular message with, say, "retransmissit roughly after 2s, exponentialy fallin off with factor 2 for up to 4 transmissions", and can call off retransmission of that message when I've decoded a CoAP ACK? For that would work just as well. I'd only need to be informed whether the implementation retransmits with the same or a DTLS new sequence number, and whether such a retransmit actually happened. (The feedback to the application about the retransmits is not only relevant to the encrypted case, but also to tune the retransmission for applications as [1]). Thanks Christian [1]: https://tools.ietf.org/html/draft-ietf-core-cocoa-03 -- To use raw power is to make yourself infinitely vulnerable to greater powers. -- Bene Gesserit axiom
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