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From: tcs@usna.ARPA
Newsgroups: net.unix-wizards
Subject: Re:  11/70 <-> uVax II link
Message-ID: <1786@brl-tgr.ARPA>
Date: Sat, 28-Sep-85 18:32:08 EDT
Article-I.D.: brl-tgr.1786
Posted: Sat Sep 28 18:32:08 1985
Date-Received: Mon, 30-Sep-85 01:36:57 EDT
Sender: news@brl-tgr.ARPA
Lines: 19

In article <1486@uwmacc.UUCP> jwp@uwmacc.UUCP (Jeffrey W Percival) writes:
>We have a PDP 11/70 running 2.8BSD.  We are thinking of getting
>a MicroVax II, and getting Berkeley Vax Unix to run on that.  Instead
>of trying to get networking going on our 11/70, we thought we'd
>get a Systems Industries disk and controller that will be shared
>by the two machines.  Is this a reasonable approach?  

Or you could buy an Excelan unibus ethernet card and their
Exos front-end TCP/IP implementation.  It adds about 8K to your kernel
and has the 4.1c network system call semantics, but it offers
the standard suite of network utilities (rcp, rsh, telnet, etc).
I have done that here on some PDP11/45's (not enough core to handle
2.9's network code) and it works fine.  Good throughput too (~60Kby/sec).
It takes about a man-week to make the mods necessary to get the drivers
to work on 2.8bsd.  I have the 2.9 stuff if you're interested.
	-tcs
	Terry Slattery	  U.S. Naval Academy	301-267-4413
	ARPA: tcs@brl-tgr.arpa
	UUCP: decvax!brl-bmd!usna!tcs


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