To add to the older evidence: <a href="http:&#x2F;&#x2F;www.bsdcan.org&#x2F;2006&#x2F;papers&#x2F;ImprovingTCPIP.pdf" rel="nofollow">http:&#x2F;&#x2F;www.bsdcan.org&#x2F;2006&#x2F;papers&#x2F;ImprovingTCPIP.pdf</a>