Hi Spencer, See below:
> On Aug 31, 2018, at 7:41 PM, Spencer Dawkins at IETF > <[email protected]> wrote: > > Thanks, Robert, for the careful read, and thanks, Michael, for the quick > response. I have one thought, on Robert's last question. > > On Fri, Aug 31, 2018 at 3:37 AM Michael Welzl <[email protected] > <mailto:[email protected]>> wrote: > Hi, > > Thank you very much for this careful review! We just posted a revision ( -07 > ) that, we believe, addresses these comments. > > A few answers in line below: > > > On 28 Aug 2018, at 23:38, Robert Sparks <[email protected] > > <mailto:[email protected]>> wrote: > > > > Reviewer: Robert Sparks > > Review result: Ready with Nits > > ... > > > In Appendix A.1, this document had to "slightly change" the > > characterization of features from those in RFC8303, introducing this > > "ADDED" construct. That feels out of balance. Is this a warning sign > > that RFC8303 needs adjusting? > > It isn't: different from this document, RFC 8303 does not make any changes or > derive anything from the services that protocols offer - it just reflects > what the protocol specifications say. > > In the minset document, there are only 3 items using the "ADDED" construct, > and this is only meant to streamline the derivation a little. Take > "Unreliably transfer a message", for example. > This is based on (from RFC 8303) "Unreliably transfer a message, with > congestion control" for SCTP, and "Unreliably transfer a message, without > congestion control" for UDP(-Lite). The added "Unreliably transfer a message" > leaves the choice of congestion control open, such that an application CAN > simply say "Unreliably transfer a message" without having to care about the > choice of congestion control (unless it wants to care, which comes at the > cost of binding itself to either UDP(-Lite) or SCTP). > > Michael, this explanation helps a lot, but since I happen to know that Robert > is out of town for the three-day weekend in the US, I'll guess on his behalf > that "ADDED" may not be the word you're looking for - at a minimum, "transfer > unreliably" in RFC 8303 being divided into "transfer unreliably with > congestion control" and "transfer unreliably without congestion control" in > this draft doesn't look like addition to me. > > Is this more about "refactoring the protocol-independent definition in RFC > 8303”? Yes, “refactoring” is exactly right - it’s not adding anything new. We could just as well have left this without the “ADDED” cases and then had more explanations in the “discussions” section (appendix A.3), but these are so minor that they don’t really merit a “discussion”, hence we felt that this way it’s shorter and clearer. If that helps, I can rename “ADDED” into “REFACTORED”? Cheers, Michael > But, whatever it is, if you two can figure out how to describe what's > happening, that will probably help figure you and Robert agree on an > understanding about how to handle his comment. > > Spencer
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