Subject: [tcpm] [Errata Rejected] RFC5681 (6233)

From: RFC Errata System <[email-masked]>
Date: Tue, 21 Jul 2020 07:05:00 -0700 (PDT)

The following errata report has been rejected for RFC5681,
"TCP Congestion Control".

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You may review the report below and at:
https://www.rfc-editor.org/errata/eid6233

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Status: Rejected
Type: Editorial

Reported by: Charles Deng <[email-masked]>
Date Reported: 2020-07-20
Rejected by: Martin Duke (IESG)

Section: 4.3

Original Text
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Finally, after all loss in the given window of segments
has been successfully retransmitted, cwnd MUST be set to no more than
ssthresh and congestion avoidance MUST be used to further increase
cwnd.

Corrected Text
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Finally, after all loss in the given window of segments
has been successfully retransmitted, cwnd MUST be set to no less than
ssthresh and congestion avoidance MUST be used to further increase
cwnd.

Notes
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if set cwnd no more than ssthresh, it will using slow start algorithm instead of congestion avoidance algorithm. so it should say "cwnd no less than ..." instead of "cwnd no more than ...".
 --VERIFIER NOTES-- 
   This would be a significant design change in TCP. The original text is as intended by the community.

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RFC5681 (draft-ietf-tcpm-rfc2581bis-07)
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Title               : TCP Congestion Control
Publication Date    : September 2009
Author(s)           : M. Allman, V. Paxson, E. Blanton
Category            : DRAFT STANDARD
Source              : TCP Maintenance and Minor Extensions
Area                : Transport
Stream              : IETF
Verifying Party     : IESG