Re: How to use TCP window autosizing?

[Joerg Sonnenberger <joerg%britannica.bec.de@localhost>]

On Mon, Aug 03, 2015 at 01:08:33AM -0500, Dave Huang wrote:
> I have a 100Mbps internet connection, and need to transfer files from
> a server on the other side of the world. Round trip ping times are in
> the 250ms range. So, according to the formula on the NetBSD wiki,
> buffer size = RTT * bandwidth = 250ms * 100Mbps = 3.125MB.

Note that ssh needs custom buffer scaling as the crypto overhead adds a
noticable delay, even on local networks.

> I'm running NetBSD-alpha/7.0_RC2, with a kernel compiled with
> NMBCLUSTERS=16384.

That shouldn't tbe needed any longer? Default should be scaling up with
memory.

Joerg