[Info-vax] TCPIP performance for VMS

[Jim]

On Apr 23, 4:04 am, JF Mezei <jfmezei.spam... at vaxination.ca> wrote:
> Jim wrote:
> > that you ask - but I will offer this - the TCP send indow size can
> > impact the speed of FTP transfers. Your MAC is faster than the VMS
> > system when sending a file - does it use the same send window size as
> > the VMS system? If not, try setting your VMS system to match it and
> > see if you get similar performance.
>
> That is the big irony: the VMS send and receive  window size are larger
> than on my Mac !
>

If you are experiencing the TCP silly window phenomena that occurs
when the sender is constantly filling the receiver's window, then
shrinking the send window size on the VMS side can be the cure -
counter-intuitive that it is...