From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=HTML_MESSAGE, MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 2824 invoked from network); 24 Sep 2020 11:11:04 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 24 Sep 2020 11:11:04 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id 282C09CE98; Thu, 24 Sep 2020 21:11:02 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 3700F9CBCA; Thu, 24 Sep 2020 21:10:14 +1000 (AEST) Received: by minnie.tuhs.org (Postfix, from userid 112) id E08399CBCA; Thu, 24 Sep 2020 21:10:10 +1000 (AEST) X-Greylist: delayed 429 seconds by postgrey-1.36 at minnie.tuhs.org; Thu, 24 Sep 2020 21:10:09 AEST Received: from lb1-smtp-cloud8.xs4all.net (lb1-smtp-cloud8.xs4all.net [194.109.24.21]) by minnie.tuhs.org (Postfix) with ESMTPS id 5EDE49CB3A for ; Thu, 24 Sep 2020 21:10:09 +1000 (AEST) Received: from cust-41fac680 ([IPv6:fc0c:c1aa:e1ab:9812:83e2:9f25:e3f7:5b8]) by smtp-cloud8.xs4all.net with ESMTPA id LP1ZkdtNXTHgxLP1akoOtc; Thu, 24 Sep 2020 13:02:58 +0200 From: Paul Ruizendaal Content-Type: multipart/alternative; boundary="Apple-Mail=_EB54690A-12EE-46C1-B3FE-E3A8C920B35F" Mime-Version: 1.0 (Mac OS X Mail 13.0 \(3608.60.0.2.5\)) Message-Id: <3D6D5DB5-A500-470F-868D-A49F80B617E6@planet.nl> Date: Thu, 24 Sep 2020 13:02:53 +0200 To: TUHS main list X-Mailer: Apple Mail (2.3608.60.0.2.5) X-CMAE-Envelope: MS4wfEgoA3qwOqIdIMWqV8QOCcAxEDmGNiz/tvP1d78Khyy3Tad+kArATZc2OfI5XTOYfKOIFw1fhK2vEsTepkH5s4unDENkRR65P5I7zXsmAidlpN2/fFAg MwJD+woP74o+bxe5Qwx6diGkdlh1q4QddD/o6EC6JrHbJrEfSHTCA1fa0pWU3ke+wWRBWrt5yYPzTFcPECK6C7QiNQkBRYOfeSE= Subject: Re: [TUHS] Fwd: Choice of Unix for 11/03 and 11/23+ Systems X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: The Unix Heritage Society mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Noel Chiappa Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" --Apple-Mail=_EB54690A-12EE-46C1-B3FE-E3A8C920B35F Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 > V6, as distributed, had no networking at all. There are two V6 systems = with > networking in TUHS: >=20 > https://minnie.tuhs.org//cgi-bin/utree.pl?file=3DSRI-NOSC = > https://minnie.tuhs.org//cgi-bin/utree.pl?file=3DBBN-V6 = >=20 > The first is an 'NCP' Unix (unless unless you have an ARPANet); the = second is > a fairly early TCP/IP from BBN (ditto, out of the box; although one = could write > an Ethernet driver for it). I=E2=80=99ve also done a port of the BBN VAX stack to V6 (running on a = TI990 clone), using a serial PPP interface to connect. Experimental, but may have the OP's interest: https://www.jslite.net/cgi-bin/9995/dir?ci=3Dtip > There's also a fairly nice Internet-capable V6 (well, PWB1, actually) = from MIT > which I keep meaning to upload; it includes SMTP, FTP, etc, etc. I = also have > visions of porting an ARP I wrote to it, and bringing up an Ethernet = driver > for the DEQNA/DELQA, but I've yet to get to any of that. I=E2=80=99d love to have a look at that and compare and contrast the = approaches. I=E2=80=99m finding that BBN=E2=80=99s original design, with a separate = kernel thread for the network stack, is elegant but difficult to tune: too much priority and it crowds out = user processes, too little and the slow PPP line is not kept busy. I think I=E2=80=99m beginning to understand why CSRG (and later also = BBN) moved to the interrupt driven structure of 4.2BSD: perhaps it was also difficult = to tune for a VAX with ethernet. --Apple-Mail=_EB54690A-12EE-46C1-B3FE-E3A8C920B35F Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8
V6, as distributed, had = no networking at all. There are two V6 systems with
networking in TUHS:

 https://minnie.tuhs.org//cgi-bin/utree.pl?file=3DSRI-NOSC https://minnie.tuhs.org//cgi-bin/utree.pl?file=3DBBN-V6

The first is an 'NCP' Unix (unless unless you = have an ARPANet); the second is
a fairly early TCP/IP from = BBN (ditto, out of the box; although one could write
an = Ethernet driver for it).

I=E2=80=99ve also done a port of the BBN VAX stack to = V6 (running on a TI990 clone), using a serial
PPP = interface to connect. Experimental, but may have the OP's interest:
https://www.jslite.net/cgi-bin/9995/dir?ci=3Dtip

There's = also a fairly nice Internet-capable V6 (well, PWB1, actually) from = MIT
which I keep meaning to upload; it includes SMTP, FTP, = etc, etc. I also have
visions of porting an ARP I wrote to = it, and bringing up an Ethernet driver
for the = DEQNA/DELQA, but I've yet to get to any of that.

I=E2=80=99d love to have a look at that = and compare and contrast the approaches.

I=E2=80=99m finding that BBN=E2=80=99s = original design, with a separate kernel thread for the network = stack,
is elegant but difficult to tune: too much = priority and it crowds out user processes, too little
and the slow PPP line is not kept busy.

I think I=E2=80=99m = beginning to understand why CSRG (and later also BBN) moved to
the interrupt driven structure of 4.2BSD: perhaps it was also = difficult to tune for a
VAX with = ethernet.

= --Apple-Mail=_EB54690A-12EE-46C1-B3FE-E3A8C920B35F--