[Info-vax] Nagle problem in remote DECterm on VAX, revisited

[smithfarm]

This is a problem I have been having since I first got back to VMS this 
past August. At that time I asked for help here but wasn't competent to 
follow any of the advice given.

Now, hopefully, I have made some progress and I'd like to give it 
another shot.

The problem occurs when I create a DECterm from the VAX (running OpenVMS 
v7.3) on a remote X server. The DECterm appears and I can enter commands 
and see output - so far so good. However, there is an unreasonably long 
delay between when I type and when the characters I type are displayed. 
For example, if I type 30 or so characters rapidly, there is a 3-second 
delay before the characters appear in the DECterm window.

This annoying "Nagle delay" happens regardless of the X server being 
used (so far I've tried two: Ubuntu and Windows/Xming).

Now, in addition to the VAX I also have here an RX2600 running v8.4. 
When I connect from Windows/Xming to this system and run DECterm, there 
is no annoying "Nagle delay". From this I deduce that the Nagle problem 
is somewhere in the VAX TCPIP implementation. At this point, I am using 
OpenVMS TCPIP Services, not the alternative MultiNet.

Theoretically, I see one possible solution and one possible workaround: 
tell disable Nagle in TCPIP Services (but how?) or run MultiNet instead 
of TCPIP Services.

Thanks, as always, for any help, comments, suggestions.

Nathan