This Freebsd related paper[1] is a little old but seems to suggest: "it depends". I didn't actually read it.. Tuning and Testing the FreeBSD 6 TCP Stack (2007)

This Freebsd related paper[1] is a little old but seems to suggest: "it depends". I didn't actually read it.. Tuning and Testing the FreeBSD 6 TCP Stack (2007) http://caia.swin.edu.au/reports/070717B/CAIA-TR-070717B.pdf http://caia.swin.edu.au/reports/070717B/CAIA-TR-070717B.pdf