I posted a revision 16 just now as a quick follow-up. About revision 16: * Revised the description and caption for the figures to try to improve clarity.
A diff from the previous version is available at: https://author-tools.ietf.org/iddiff?url2=draft-ietf-tcpm-prr-rfc6937bis-16 best, neal * Revised the description and caption for the figures to try to improve clarity. A diff from the previous version is available at: https://author-tools.ietf.org/iddiff?url2=draft-ietf-tcpm-prr-rfc6937bis-16 best, neal On Tue, May 27, 2025 at 4:21 PM Neal Cardwell <[email protected]> wrote: > Hi, > > Thanks for the review! > > I have attempted to incorporate all of your excellent feedback in draft > revision 15, which I just posted. The diffs between revisions 14 and 15 are > here: > > https://author-tools.ietf.org/iddiff?url2=draft-ietf-tcpm-prr-rfc6937bis-15 > > The draft itself summarizes the changes in revision 15, but I'm pasting > them here as well, for easy reference: > > --- > <t>About revision 15:</t> > > <ul> > > <li>Fixed the description of the initialization of RecoverFS to match the > latest RecoverFS pseudocode</li> > > <li> Add a note that in the first example both algorithms (RFC6675 and > PRR) complete the fast recovery episode with a cwnd matching the ssthresh > of 20.</li> > > <li>Revised order of 2nd and 4th co-author</li> > > <li>Numerous editorial changes based on 2025-05-27 last call Genart review > from Russ Housley, including the following changes.</li> > > <li>Fixed abstract and intro sections that said that this document > "updates" the experimental PRR algorithm to clarify that this document > obsoletes the experimental PRR RFC</li> > > <li>To address the feedback 'The 7th paragraph of Section 5 begins with "A > final change"; yet the 8th paragraph talks about another adaptation to > PRR', reworded the "A final change" phrase.</li> > > <li>Moved the paragraph about measurement studies to a new "Measurement > Studies" section, to address the feedback: 'The last paragraph of Section 5 > is not really about changes since the publication of RFC 6937'</li> > > <li>Fixed various minor editorial issues identified in the review</li> > > </ul> > --- > > best regards, > neal > > > ---------- Forwarded message --------- > From: <[email protected]> > Date: Tue, May 27, 2025 at 4:15 PM > Subject: [tcpm] I-D Action: draft-ietf-tcpm-prr-rfc6937bis-15.txt > To: <[email protected]> > Cc: <[email protected]> > > > Internet-Draft draft-ietf-tcpm-prr-rfc6937bis-15.txt is now available. It > is a > work item of the TCP Maintenance and Minor Extensions (TCPM) WG of the > IETF. > > Title: Proportional Rate Reduction for TCP > Authors: Matt Mathis > Neal Cardwell > Yuchung Cheng > Nandita Dukkipati > Name: draft-ietf-tcpm-prr-rfc6937bis-15.txt > Pages: 26 > Dates: 2025-05-27 > > Abstract: > > This document specifies a standards-track version of the Proportional > Rate Reduction (PRR) algorithm that obsoletes the experimental > version described in RFC 6937. PRR provides logic to regulate the > amount of data sent by TCP or other transport protocols during fast > recovery. PRR accurately regulates the actual flight size through > recovery such that at the end of recovery it will be as close as > possible to the slow start threshold (ssthresh), as determined by the > congestion control algorithm. > > The IETF datatracker status page for this Internet-Draft is: > https://datatracker.ietf.org/doc/draft-ietf-tcpm-prr-rfc6937bis/ > > There is also an HTML version available at: > https://www.ietf.org/archive/id/draft-ietf-tcpm-prr-rfc6937bis-15.html > > A diff from the previous version is available at: > https://author-tools.ietf.org/iddiff?url2=draft-ietf-tcpm-prr-rfc6937bis-15 > > Internet-Drafts are also available by rsync at: > rsync.ietf.org::internet-drafts > > > _______________________________________________ > tcpm mailing list -- [email protected] > To unsubscribe send an email to [email protected] > > On Tue, May 27, 2025 at 11:33 AM Russ Housley via Datatracker < > [email protected]> wrote: > >> Document: draft-ietf-tcpm-prr-rfc6937bis >> Title: Proportional Rate Reduction for TCP >> Reviewer: Russ Housley >> Review result: Almost Ready >> >> I am the assigned Gen-ART reviewer for this draft. The General Area >> Review Team (Gen-ART) reviews all IETF documents being processed >> by the IESG for the IETF Chair. Please treat these comments just >> like any other last call comments. >> >> For more information, please see the FAQ at >> <https://wiki.ietf.org/en/group/gen/GenArtFAQ>. >> >> Document: draft-ietf-tcpm-prr-rfc6937bis-14 >> Reviewer: Russ Housley >> Review Date: 2025-05-27 >> IETF LC End Date: 2025-06-06 >> IESG Telechat date: Not scheduled for a telechat >> >> Summary: Almost Ready >> >> >> Major Concerns: None >> >> >> Minor Concerns: >> >> The Abstract and Section 1 say that this document "updates" the >> experimental PRR algorithm. This wording is confusing because this >> document obsoletes RFC 6937. The Abstract and Section 1 should >> state that this document obsoletes RFC 6937. Avoiding the use of >> "updates" is desirable. >> >> The 7th paragraph of Section 5 begins with "A final change"; yet the >> 8th paragraph talks about another adaptation to PRR. >> >> The last paragraph of Section 5 is not really about changes since the >> publication of RFC 6937. I'm not sure where this information belongs. >> >> >> Nits: >> >> Section 5: s/(i.e. sndcnt is 0)/(i.e., sndcnt is 0)/ >> >> Section 5: s/RTO/retransmission timeout (RTO)/ >> >> Section 5: s/sets cwnd = ssthresh/sets cwnd to ssthresh/ >> >> Section 5: s/ECN/Explicit Congestion Notification (ECN)/ >> >> Section 5: s/AQMs/ approaches to Active Queue Management (AQM)/ >> >> Section 9: Figure 1 is too wide. Can segment 22 be omitted? If so, >> the text that follows would say: "ACK#22 (not shown) carries ...". >> >> Section 12: s/Janey C. Hoe/Janey C. Hoe/ >> >> >> >>
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