RE: 30GB file transfers using scp
bugtraq_at_anastrophe.com
Date: 10/03/03
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Date: Fri, 03 Oct 2003 00:38:05 -0700 To: <secureshell@securityfocus.com>
At 07:37 PM 10/2/2003, Mak, Andrew wrote:
>I agree with the findings of Steve Wampler, while different method of
>encryption mades some differences in "speed" in transferring files, this
>will be insignificant in fast CPU servers, in Robert's case a E4500 with 6
>X 400Mhz CPU and 4GB RAM.
The number of CPU's is only partially relevant to the situation however.
Sun recommends 400Mhz of ultrasparc CPU per gigabit adapter. If the server
is CPU-bound - lots of oracle servers are - there might _not_ be enough
horsepower available to adequately drive the gigabit.
CPU-bound, driving gigabit, and encrypting, might be too much to ask.
>In most LAN setup, NIC setting should be on 100M-Full duplex (assuming the
>switch is capable of doing this, most modern models should). I find out
>most Cisco switch with Sun servers will set the NIC to 100M-Half duplex
>and so requires hard coding.
as i recall, the same holds true for gigabit.
Paul Theodoropoulos
http://www.anastrophe.com
- Previous message: Ted Pardike: "Re: Public key Authentication broken under HP-UX?"
- Maybe in reply to: Petty, Robert: "30GB file transfers using scp"
- Next in thread: Joshua Goodall: "Re: 30GB file transfers using scp"
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