Re: Any cygwin builds with the HPN-SSH patch?

Rory Campbell-Lange <[email protected]> Thu, 14 Feb 2008 16:46:45 +0000
Newsgroups gmane.network.ssh.windows
Message-ID <[email protected]>
On 14/02/08, Alan Vinh ([email protected]) wrote:
> I'm interested in the same solution, i.e., is there a way to move big
> files via ssh? sftp and scp are much slower than plain ftp due to the
> encryption involved (ftp is already slow without the encryption
> involved for ssh). Does anyone have a solution for moving large files
> using encryption such as going through SSH with decent speed?

The HPN patch tunes "statically defined internal flow control buffers"
to dramatically improve SSH/SCP performance in high-bandwidth
situations, and where machines have more CPU power. See

http://www.psc.edu/networking/projects/hpn-ssh/

The systems should also have a "properly tuned TCP/IP stack".

We are about to test this as we sync GBs of data nightly. I'm also keen
to see how a pure VPN approach compares to normal SSH and HPN+SSH.

Rory
-- 
Rory Campbell-Lange
Director
Campbell-Lange Workshop Ltd.
<[email protected]>
<www.campbell-lange.net>

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