All these seems to argue for using fq_codel over pfifo_fast, but fq is not even mentioned (fq had appeared on Linux 3.12 torvalds/linux@afe4fd0, one year before). So it seems there was never a discussion of the benefits of fq_codel vs fq. https://www.bufferbloat.net/projects/codel...
Given the amazing success of OpenWRT with fq_codel and SQM at beating back bufferbloat and providing low latency across flows with having to tune: http://www.bufferbloat.net/projects/codel/wiki I'd like to move some of my company's pfsen...