OpenSSH 4.7: call for testing.

Iain Morgan imorgan at
Thu Aug 16 08:21:48 EST 2007

On Wed, Aug 15, 2007 at 13:11:21 -0400, Chris Rapier wrote:
> Darren Tucker wrote:
> >   * The SSH channel window size has been increased, which improves
> >     performance on high-BDP networks.
> While I'm a fan of larger buffers I'm also leery of arbitrarily 
> increasing buffer sizes statically. While a larger buffer will help in 
> bulk data transfers it can be a hindrance in other situations. In this 
> case I'm mostly concerned about issues relating to overbuffering in 
> interactive sessions. Has the dev team looked at this?

We've been using the patch that Markus originally posted on this
list back in 2005 on a number of systems for over a year and have
not observed any issues with interactive sessions. Admittedly,
that patch set the channel buffer to 1.25 MB rather than 2MB.

Iain Morgan

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