idall@augean.ua.oz.au (Ian Dall) (05/29/91)
We have a zillion Vaxes and one lonely DecStation. The DecStation has
Decnet and the decnet-tcp/ip gateway software (as well, of course as
tcp-ip). We also have some tcp-ip only X terminals.
What we want to be able to do is run DecWindows clients on the VMS
machines and have them use the X server on the X terminals. Is this
possible? We would very much prefer a solution which ran on the
DecStation rather than the VMS machines since we would have to get
rather a lot of licences if we had the VMS solution (unless one VMS
machine could act as a gateway).
It seems to me that this could be done two ways. One would be for the
DecStation to appear as multiple nodes (the extra nodes being pseudo
nodes for the X terminals). The other would be to have the X terminals
appear as extra displays on the Decstation. Of course, being possible,
and being implimented are two different things...
--
Ian Dall life (n). A sexually transmitted disease which afflicts
some people more severely than others.
ACSnet: idall@augean.oz
Internet: idall@augean.oz.aukarrer@bernina.ethz.ch (Andreas Karrer) (05/30/91)
idall@augean.ua.oz.au (Ian Dall) writes: >We have a zillion Vaxes and one lonely DecStation. The DecStation has >Decnet and the decnet-tcp/ip gateway software (as well, of course as >tcp-ip). We also have some tcp-ip only X terminals. >What we want to be able to do is run DecWindows clients on the VMS >machines and have them use the X server on the X terminals. Is this >possible? Yes. On the DecStation, look into /usr/examples/decnet/gatethru. The gatewayd translates X-protocol-on-TCP-transport to X-protocol- on-DECnet-transport. I don't think it's "supported", though. +----------- Andi Karrer, Communication Systems, ETH Zuerich, Switzerland karrer@bernina.ethz.ch - terible simplifieur
tridge@anu.oz.au (Andrew Tridgell) (05/30/91)
I installed the decnet internet gateway (comes with the decnet stuff in Ultrix) and have found it works like a charm. It allows our PC's to appear as extra displays on our decstation (our PC's have a decnet based X package - PC DecWindows). We can do the same for vaxes or whatnot. Basically the gateway makes a decnet node appear like aerodec:N where you can make N any display number you like. The source and binaries for this gateway is in /usr/examples/decnet/gatethru/ on our system (Ultrix 4.0 on a DS3100). We added these lines to out /etc files /etc/inetd.conf: tba4-X11-display0 stream tcp nowait /usr/examples/decnet/gatethru/gatewayd gatex -dnet tba4 X$X0 /etc/services: tba4-X11-display0 6002/tcp # X11 server on tba4::0.0 /usr/examples/decnet/gatethru/gatewayd Note that tba4:: is the decnet node name of the real machine (my PC - but could be any decnet machine running X). The display becomes aerodec:2 in this example (from the 6002 entry). Also note that both of the entries above are ONE line, I added the carriage returns so it could be read. Performance is quite reasonable, considering the net load. It means I can display X clients from SUN's, Sequent's etc. without installing Decnet on them, which is a great boon. It can also be setup to work in the other direction, but I haven't tried (read the manual for instructions) Thanks to DEC for a great product! -- =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Andrew Tridgell CSLab, Research School of Physical Science tridge@aerodec.anu.edu.au Australian National University =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
pha21@seq1.keele.ac.uk (Braham Levy) (05/30/91)
From postnews Thu May 30 12:20:22 1991 In article <1991May29.151258.19842@augean.ua.OZ.AU>, idall@augean.ua.oz.au (Ian Dall) writes: > > We have a zillion Vaxes and one lonely DecStation. The DecStation has > Decnet and the decnet-tcp/ip gateway software (as well, of course as > tcp-ip). We also have some tcp-ip only X terminals. > > What we want to be able to do is run DecWindows clients on the VMS > machines and have them use the X server on the X terminals. Is this > possible? We would very much prefer a solution which ran on the > DecStation rather than the VMS machines since we would have to get > rather a lot of licences if we had the VMS solution (unless one VMS > machine could act as a gateway). > UCX on the VMS machines will solve the problem. This is now part of VMS or at least sufficient to do what you want is, as from 5.3 i think, hence no extra cost should be involved. Unfortunately this runs on the VMS machines but what the .... > It seems to me that this could be done two ways. One would be for the > DecStation to appear as multiple nodes (the extra nodes being pseudo > nodes for the X terminals). The other would be to have the X terminals > appear as extra displays on the Decstation. Of course, being possible, > and being implimented are two different things... > > this should enable your DecStation to act as a server to VMS X clients and also the same for your X-Terminals. Beware you might need some extra fonts for the X-Terms or some aliases to get things cooking. braham ___ j braham levy | UDSP Lab, EE Group, JANET: brahamlevy@uk.ac.keele | Physics Department, USENET: brahamlevy@keele.ac.uk | University of Keele , Keele, UUCP: ...ukc!keele.ac.uk!brahamlevy | Staffordshire, ST5 5BG, UK. | +44-782-621111 ext 3943
ian@sibyl.eleceng.ua.OZ (Ian Dall) (06/01/91)
In article <1991May29.175051.27421@bernina.ethz.ch> karrer@bernina.ethz.ch (Andreas Karrer) writes: -idall@augean.ua.oz.au (Ian Dall) writes: ->What we want to be able to do is run DecWindows clients on the VMS ->machines and have them use the X server on the X terminals. Is this ->possible? - -Yes. On the DecStation, look into /usr/examples/decnet/gatethru. -The gatewayd translates X-protocol-on-TCP-transport to X-protocol- -on-DECnet-transport. - -I don't think it's "supported", though. It isn't supported, but it works! Thanks for the pointer. -- Ian Dall I'm not into isms, but hedonism is the most harmless I can think of. -- Phillip Adams ACSnet: ian@sibyl.eleceng.ua.oz internet: ian@sibyl.eleceng.ua.oz.au