[HECnet] Multinet connection in UK

[supratim sanyal]

Hi Douglas,

Great, I will mark port 60004 as allocated to you.

One reason for TCP is it does not require Johnny to go change the IP address on his end every time a residential ISP IP address changes.

Does “MCR NCP COPY KNOWN NODES FROM MIM TO BOTH” not work to copy over node db from MIM? 

I also run a neat command file by Steve Davidson that I found somewhere (maybe on MIM or STRGTE) which I am attaching – it runs on SYS$BATCH and updates local node db automatically. The .XCOMX extension should be .COM, psilobyte rejects .COM file attachments.

Best,
Supratim


Sent from Mail for Windows 10

From: Douglas Hall
Sent: Sunday, November 4, 2018 07:57
To: hecnet at Update.UU.SE
Subject: Re: [HECnet] Multinet connection in UK




On Sun, 4 Nov 2018, at 11:19, supratim sanyal wrote:
If you wish you can run an experiment with IMPVAX (VA, USA); I have heard trans-Atlantic loop latencies are not as bad as one might think. TCP only, Something like this in DECNET-CIRCUITS.COM should work:
 
$ multinet set /decnet /remote=52.23.221.223 /port=60000 /device=tcpa0: /connect /tcp=connect /buffers=24


That looks to be working OK. It's very bursty to some locations, e.g. BOPOHA, but connectivity is connectivity. Thanks!  Out of interest, what is reason for using TCP as the underlying transport protocol instead of the default?  I've configured the link with a reasonably high cost in case I make another connection somewhere more local.

This is my first experience with DECnet over more than a few local nodes, is there an easy way to get a full node list onto my systems?

This all takes me back a while. Last commercial VMS/DECnet systems I used were back in 1994.  I actually stumbled across hecnet whilst trying to find out if anyone still used uucp for anything. I was the last sysadmin of the UKNET uucp setup, then managed by PSINet before we finally dismantled all that infrastructure in 1999.

Douglas 

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