What ever happened with this? "eXperimental bandwidth delay product code"

[Max Clark]

Hi all,

I am doing research on dynamic tcp tunning, what ever happened with the
patch below?

http://groups.google.com/groups?hl=en&lr=&ie=UTF-8&oe=UTF-8&safe=off&selm=20
0107150943.f6F9hhx06763%40earth.backplane.com&rnum=1

Thanks in advance,
Max