[comp.sys.dec] X.25 support for ULTRIX

milo@ndmath.UUCP (Greg Corson) (07/21/89)

Is anyone aware of an X.25 communications package that can
be used under Ultrix on either a DECstation (mips) or 
microvax running Ultrix?

I would be particularly interested in something that can
run in DECstation or the MicroVax 3000 desktop box (the one
that looks like a VaxStation 3000).  Probably the biggest
problem here would be what to use for an interface.


Greg Corson
19141 Summers Drive
South Bend, IN 46637
(219) 277-5306 
{pur-ee,rutgers,uunet}!iuvax!ndmath!milo
 

grr@cbmvax.UUCP (George Robbins) (07/21/89)

In article <1489@ndmath.UUCP> milo@ndmath.UUCP (Greg Corson) writes:
> Is anyone aware of an X.25 communications package that can
> be used under Ultrix on either a DECstation (mips) or 
> microvax running Ultrix?
> 
> I would be particularly interested in something that can
> run in DECstation or the MicroVax 3000 desktop box (the one
> that looks like a VaxStation 3000).  Probably the biggest
> problem here would be what to use for an interface.

Unless I misread the little grey wall, DEC seems to have settled on
only doing Ultrix X.25 thru the Micom PAD while the DEC X.25 hardware/
networking products are only supported under VMS.

You might take a look at some of the ethernet terminal servers that
support X.25 access modules.  This seems like it might be the best
way to go, especially if you want to provide X.25 access to a group
of machines.

I'd be interseted in hearing from anybody who's actually used one
of these, especially for supporting binary-transparent connections.

-- 
George Robbins - now working for,	uucp: {uunet|pyramid|rutgers}!cbmvax!grr
but no way officially representing	arpa: cbmvax!grr@uunet.uu.net
Commodore, Engineering Department	fone: 215-431-9255 (only by moonlite)

pst@anise.acc.com (Paul Traina) (07/22/89)

In article <1489@ndmath.UUCP> milo@ndmath.UUCP (Greg Corson) writes:
> Is anyone aware of an X.25 communications package that can
> be used under Ultrix on either a DECstation (mips) or 
> microvax running Ultrix?
> 
> I would be particularly interested in something that can
> run in DECstation or the MicroVax 3000 desktop box (the one
> that looks like a VaxStation 3000).  Probably the biggest
> problem here would be what to use for an interface.

Hmm, we've got some stuff that may fit what you want to do.

If you've got a real bus (Q or Uni),  we've got some high-performance X.25
cards that support, IP over X.25, X.25/X.29 connections (i.e. from/to PADs),
and a raw X.25 applications interface.

For a network,  depending on your application, you could use either use
an X.25 router (ala cisco, CMC, Retix, or (ahem) ACC).  If you want more
that IP routing (sounds like you do),  I know of one other product.  It's
a X.25/X.29 <-> TCP/IP/TELNET gateway.  We've got them,  but I dunno if it's
for sale.  If you want more than that sort of functionality,  I'm afraid
your probably S.O.L.  I had a proposal walk across my desk asking for a
box that could provide a raw programmer-level X.25 interface for multiple
hosts in an ethernet box.  I didn't think it would be fun to do,  and no one
could convince me we could sell many, so I pooped on it.

It would be pretty trivial to implement a RPC library that talked to a
Vaxserver/Decserver with a Qbus and a 5250 card.  Then you could simply
execute your X.25 calls over the network and the server would send commands
to the X.25 card.

Hope this helps.  If you want to talk more about it, drop me a note.

-- 
    "Calling people sexist because they are into S/M is like calling
     people capitalist because they like to play Monopoly(TM)."
			    -- `Ask Aunt Sadie' / the Ministry of Truth

ccwilliams@wombat.decnet.uq.oz (Mark I. Williams) (07/24/89)

In article <1489@ndmath.UUCP>, milo@ndmath.UUCP (Greg Corson) writes:
> Is anyone aware of an X.25 communications package that can
> be used under Ultrix on either a DECstation (mips) or 
> microvax running Ultrix?
>

	DEC does not currently supply an X.25 package for ULTRIX, although I
have heard rumors to the effect that one will be available in the future (the
distant future?).
	There is one third-party offering from a software house in New Your,
which is listed in the ULTRIX source book, my copy of which I can't find at the
moment. I don't know anything about this software, except that it certainly
costs money, and that it probably doesn't drive any of the DECstation
peripherals. 
	I believe there are some public domain versions available for BSD UNIX
(The UBC sockets code springs to mind) that you could put on ULTRIX, although
you will probably have to do a bit of work to get them up.
	  
-- 
Mark I. Williams	   ACSnet: ccwilliams@wombat.decnet.uq.oz
Network Engineering,	   ARPA:   ccwilliams@wombat.decnet.uq.oz.au	
Prentice Computer Centre,  INFOPSI: ccwilliams@wombat.uq.edu.au(050527372000090)
The University of Queensland.	JANET:ccwilliams@au.edu.uq.wombat

jim@cs.strath.ac.uk (Jim Reid) (07/25/89)

In article <1489@ndmath.UUCP> milo@ndmath.UUCP (Greg Corson) writes:
>Is anyone aware of an X.25 communications package that can
>be used under Ultrix on either a DECstation (mips) or 
>microvax running Ultrix?

The University of British Columbia have written X.25 socket code for the
4.[23] BSD kernel. It should be straghtforward to plug this code into an
ULTRIX system. The code is available for a nominal sum from UBC to
universities and research institutes for academic purposes. It uses the
synchronous port of a DMF32. I suppose there's a Qbus interface that
will be similar to this device (or the sync. port bit of it), so a new
device driver shouldn't be too hard.

I also understand that the University of Wisconsin are working on X.25
code for a future BSD release. It might be worth asking them about what
could be available for them.

		Jim

lars@salt.acc.com (Lars J Poulsen) (07/26/89)

In article <1489@ndmath.UUCP>, milo@ndmath.UUCP (Greg Corson) writes:
>> Is anyone aware of an X.25 communications package that can
>> be used under Ultrix on either a DECstation (mips) or 
>> microvax running Ultrix?

Ahem. The ACP5250 communications controller from ACC is just that: A
Motorola 68000 with 512 KB of RAM, a smart serial port on one side and a
Qbus DMA interface on the other side and a couple of EPROMs that
implement X.25 packet level in the middle.

Comes with a device driver that implements TCP/IP encapsulation and for
some extra $$ also lets you run X.29 virtual terminal service.

Max serial line speed is officially 300 kbps, unofficially T1.
Certified for use on the DDN (Defense Data Network) and several
commercial packet switched networks (Telenet, TYMNET, Accunet, ...).

Available in RS232, V.35 and RS422 flavours. Call our sales department
on 805-963-9431 to ask for pricing etc.

We are selling these to DEC in Europe to provide for Wide-Area
Networking of Ultrix systems. Also works with most 3rdparty TCP/IP
products for VMS.

This may be the only time my employer agrees with a posting of mine.

/ Lars Poulsen <lars@salt.acc.com>   (800) 222-7308  or (805) 963-9431 ext 358
  ACC Customer Service              Affiliation stated for identification only
                My employer probably would not agree if he knew what I said !!