[Beowulf] High Performance SSH/SCP

Douglas Eadline deadline at eadline.org
Wed Feb 13 17:27:07 PST 2008

Just saw this mentioned on Slashdot.

High Performance SSH/SCP - HPN-SSH


The internal flow control buffers in openssh are small
and static. The guys at Pittsburgh SC have created a
patch that can be applied to openssh that dynamically increases
the buffers which dramatically improves performance. They
also multi-threaded the crypto. So if you were wondering
about what to do with that extra core, now you have your


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