A modified use of ECN supports congestion control algorithms that avoid queuing delays at the sender, thus eliminating the sawtooth variation in launching packets that you're likely familiar with. But it is a new architecture with the associated issues for its adoption. RFC 9330 is quite readable: https://datatracker.ietf.org/doc/rfc9330/What makes L4S superior to fq_codel and/or CAKE?
Statistics: Posted by Brough — Tue Dec 12, 2023 5:35 pm
