http://www-128.ibm.com/developerworks/linux/library/l-hisock.html?ca=dgr-lnxw01BoostSocket
On 11/22/05, Yaman Saqqa <[EMAIL PROTECTED]> wrote: > Hi Guys, > > Anybody ever noticed how scp has always been significantly slower than for > example a traditional FTP transfer? Well, I was reading an article about TCP > performance tuning and it was discussing playing with the TCP buffer size > (with socket options) so as to gain better bandwidth optimization (if any > body is interested in the details I can spend 5 minutes on a sequel email). > The interesting piece that I found is that OpenSSH suite (of which scp is a > member) uses "statically defined internal flow control buffers" that limit > the TCP buffer from getting larger which results in underutilization of the > bandwidth! The Pittsburgh super computing center have their own patched > version to overcome this. > > I just thought it was worth sharing as I have noticed this issue a couple > of years back but just figured it out the trick! > > Happy Hacking > > -- > abulyomon > > www.KiLLTHeUPLiNK.com -- abulyomon www.KiLLTHeUPLiNK.com _______________________________________________ General mailing list [email protected] http://mail.jolug.org/mailman/listinfo/general_jolug.org
