[Info-vax] Slow FTP transfer Linux -> VMS

[Richard B. Gilbert]

JF Mezei wrote:
> In my limited experience, the only performance parameters I have seen are:
> 
> for FTP specifically, the WINSIZ logical mentioned before.
> 
> For the kernel, you can
> 
> $ type sys$startup:tcpip$systartup.com
> 
> $  SYSCONFIG = "$SYS$SYSTEM:TCPIP$SYSCONFIG.EXE"
> $  IFCONFIG = "$SYS$SYSTEM:TCPIP$IFCONFIG.EXE"
> $!
> $SYSCONFIG -r inet tcp_recvspace=255552
> $SYSCONFIG -r inet tcp_sendspace=255552
> $SYSCONFIG -r inet udp_recvspace=65536
> $SYSCONFIG -r inet udp_sendspace=65536
> 
> 
> The send and recvspace paramegres define the "window size" (actually the
> maximum window size. In modern implementations (not sure if VMS follows
> this), a sending host will slowly increase the sending widnow size until
>  a lost packet is detected at which point window size is recuided by
> half and then starts to grow again util packet loss is again
> encountered, window size has reached maximum or throughput has reached
> maximum (no pauses between packlets to wait for an ack).
> 

JF,

It's time for you to start using a spelling checker!

paramegres???  widnow???? recuided????????   util?????  packlets????