lwIP - A Lightweight TCP/IP stack - Tasks: task #14602, TCP: update/audit congestion...
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task #14602: TCP: update/audit congestion control implementation
Submitter: | Joel Cunningham <jcunningham> | ||
Submitted: | Wed 09 Aug 2017 09:42:14 PM UTC | ||
Category: | TCP | Should Start On: | Wed 09 Aug 2017 12:00:00 AM UTC |
Should be Finished on: | Wed 09 Aug 2017 12:00:00 AM UTC | Priority: | 5 - Normal |
Status: | None | Privacy: | Public |
Percent Complete: | 0% | Assigned to: | None |
Open/Closed: | Open | Planned Release: | None |
Effort: | 0.00 |
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LwIP's TCP congestion control implementation was written back with RFC 2001 (1997), which has had two replacements: RFC 2581 (1999) and RFC 5681 (2009)
One thing that I know is out-of-date is setting ssthresh after a loss detection. We have the original logic from RFC 2001 which is:
RFC 2581 updated this to (and I believe is still current in RFC 5681):
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