slovichon at gmail
Mar 30, 2012, 12:22 AM
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Re: percent_expand for QoS in ControlPath
[In reply to]
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On Fri, Mar 30, 2012 at 09:25:10AM +0300, Saku Ytti wrote:
> packets, interactive session won't become laggy, but in ControlMaster
> it will. And I don't understand how it could be solved, as TCP
> guarantees at kernel level ordering of packets, so even if your ADSL
> CPE reorders the packets and sends the high priority interactive ssh
> packets first the remote host kernel will not give them to userland
> until original order has restored, essentially rendering the
> prioritization done in the ADSL CPE useless.
That is why I suggested two separate sockets.
This would mean ordering was maintained only down to the socket level, no?
Host host
ControlPath ~/.ssh/ctlsock/%h.%Q
----------------------------------------------------------------------
$ ssh host # this creates ~/.ssh/ctlsock/host.lowdelay
$ scp file host: # this creates ~/.ssh/ctlsock/host.throughput
All subsequent bulk transfers will use the 'throughput' socket, and likewise for
interactive to 'lowdelay'.
Am I mistaken?
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