[Info-vax] OT: TCP: trading latency for bandwidth

[Paul Sture]

On Thu, 17 May 2012 16:15:46 -0400, JF Mezei wrote:

> At one point, I thought I was having IP performance problems on the link
> and was using FTP as a means to check upload and download speeds (since
> VMS doesn't have a working  flash which is used for most speed tests).
> 
> ftp tests showed poor performance.
> 
> I did the same tests on my xserve (OS-X) and low and behold, the
> performance difference was very drastic and make full use of the line
> speed  (showing the line had no problems).

ISTR coming across a similar performance difference with FTP between VMS 
and OS X.

It might not be just FTP of course.  I have definitely achieved better 
performance on large files by tweaking the RMS_EXTEND_SIZE dynamic SYSGEN 
parameter or using SET RMS_DEFAULT/EXTEND_SIZE.


-- 
Paul Sture