TCP Send/Receive Buffer Size

http://proj.sunet.se/E2E/freebsd.txt
http://proj.sunet.se/E2E/tcptune.html

kern.ipc.maxsockbuf=8388608
net.inet.tcp.sendspace=3217968
net.inet.tcp.recvspace=3217968
net.inet.tcp.rfc1323=1


HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Tcp1323Opts=1
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\TcpWindowSize=[wmax]

設好以後, FTP 的 throughput 提高到 50%, 雖不滿意但可以接受啦…
(原本只能跑到 15%, 還會讓機器 hang 住…)

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