Attendees: rrs@, rscheff@, thj@, tuexen@ ====== Discussion ====== * [[https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=252913|PR 252913]]: tuexen@ got a tracefile and some information from Netflix; impacts 12, waiting for 13 to be released. * [[https://reviews.freebsd.org/D23230|D23230]]: ECN++, rscheff@ will investigate the sysctl interface. Still in progress. * [[https://reviews.freebsd.org/D28702|D28702]]: Planned for main, mid March. Still in progress, waiting for 13 release. rrs@ will review. * [[https://reviews.freebsd.org/D28634|D28634]], [[https://bugs.freebsd.org/bugzilla/show_bug.cgi?id= 253464|PR 253464]]: Fix dup acks triggering a fast retransmission when we don't receive SACKs. Clarified the SACK negotiation. rrs@ approved it. * [[https://reviews.freebsd.org/D29411|D29411]]: rscheff@ has something which works with PRR for ECN and congestion window reduction with %%NewReno%%. No plans to MFC. Will wait for 13 to commit to main. rrs@ approved it. * Lost retransmission detection: [[https://reviews.freebsd.org/D28931|D28931]] is an idea for doing SACK loss recovery in the base stack. Needs review. * [[https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=254333|PR 254333]]: It was discussed if the reason could be a console stalling to the TCP connection stalling. * Support for TCP over UDP will be put up for review and is planned to be committed to main after 13.0 is released. tuexen@ will do this. * RACK will be updated after TCP over UDP support has been committed. rrs@ will do this. Next meeting: 8 April @ 1400 UTC