[ale] Still using plain FTP? Why?

Solomon Peachy pizza at shaftnet.org
Mon Jan 19 14:14:02 EST 2015


On Mon, Jan 19, 2015 at 11:17:50AM -0500, Raj Wurttemberg wrote:
> As for why...  1) It's fast and 2) No CPU overhead (ssh xfers use up quite a
> bit of CPU for the encryption/decryption).

It's worse than that; scp achieves considerably higher throughput than 
sftp on an identical system.

That's because scp and ftp (and ftps) are intended as streaming transfer 
protocols, where sftp is block oriented (not unlike nfs) which makes it 
a lot harder to pipeline data through it.

 - Solomon
-- 
Solomon Peachy        		       pizza at shaftnet dot org
Delray Beach, FL                          ^^ (email/xmpp) ^^
Quidquid latine dictum sit, altum viditur.
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