SSH on high latency links. Re: [Patch] TCP MD5SIG for OpenSSH

[Stuart Henderson]

On 2016-01-15, Roland Mainz <roland.mainz at nrubsig.org> wrote:
> Isn't that an improvement only for interactive mode ? My point was
> that something like $ ssh "$LOGNAME at desthost" '/bin/true' # is
> horrible slow compared to (Kerberised) rsh, and gets even worse on
> high-latency links (problem is that the large number of roundtrips by
> the ssh protocol makes the whole thing latency-sensitive to a high
> degree).

Do you already know about ControlMaster and related options? If they fit
your use case, they help a lot.