scp/sftp performance myths

2005-10-30 Thread frantisek holop
hi there, poking around in the HP ssh docs, one can see the following in the FAQ: Q: How is the performance of HP-UX Secure Shell? A: Compared with conventional file transfer methods, the scp command is 2 - 3 times slower than rcp, and sftp is 2 to 3 times slower than ftp. This is because

Re: scp/sftp performance myths

2005-10-30 Thread Ted Unangst
On 10/30/05, frantisek holop [EMAIL PROTECTED] wrote: but a couple of months ago a link appeared here describing a HPN (as in hihg performance enabled) ssh patch. i kept that mail for a very long time because i was very much interested in the answers of the ssh developers, but there was none.

Re: scp/sftp performance myths

2005-10-30 Thread Matthew Weigel
frantisek holop wrote: but a couple of months ago a link appeared here describing a HPN (as in hihg performance enabled) ssh patch. i kept that mail for a very long time because i was very much interested in the answers of the ssh developers, but there was none. and so i assumed it must be

Re: scp/sftp performance myths

2005-10-30 Thread Diana Eichert
On Sun, 30 Oct 2005, Matthew Weigel wrote: SNIP HPN-SSH improves OpenSSH performance in situations that you and I don't deal with. Maybe I'm mistaken... do you have an OC-3 connection you're trying to scp files across? If you are dealing with T-1s and 100Mbps nope, but will OC-48 or 10G

Re: scp/sftp performance myths

2005-10-30 Thread Damien Miller
frantisek holop wrote: so before anyone tags this mail as a trolling flamebait (which it is not), i just would like to ask -have others tried HPN-SSH? -have ssh developers tried it? -or simply, has ssh hit its performance limit and can't get any better? the HPN patch greatly improves

Re: scp/sftp performance myths

2005-10-30 Thread Nick Holland
frantisek holop wrote: hi there, poking around in the HP ssh docs, one can see the following in the FAQ: Q: How is the performance of HP-UX Secure Shell? A: Compared with conventional file transfer methods, the scp command is 2 - 3 times slower than rcp, and sftp is 2 to 3 times slower

Re: scp/sftp performance myths

2005-10-30 Thread Darren Tucker
On Sun, Oct 30, 2005 at 02:41:25PM +0100, frantisek holop wrote: hi there, poking around in the HP ssh docs, one can see the following in the FAQ: Q: How is the performance of HP-UX Secure Shell? A: Compared with conventional file transfer methods, the scp command is 2 - 3 times slower