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=-1.1 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HTML_MESSAGE,MAILING_LIST_MULTI autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 6562 invoked from network); 24 Oct 2021 19:29:21 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 24 Oct 2021 19:29:21 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id 2C1279D0A8; Mon, 25 Oct 2021 05:29:18 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 5C55A9D08D; Mon, 25 Oct 2021 05:28:49 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=pass (1024-bit key; unprotected) header.d=ccc.com header.i=@ccc.com header.b="Gomr16JO"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id D95379D08D; Mon, 25 Oct 2021 05:28:46 +1000 (AEST) Received: from mail-qt1-f180.google.com (mail-qt1-f180.google.com [209.85.160.180]) by minnie.tuhs.org (Postfix) with ESMTPS id 4CDA19D08C for ; Mon, 25 Oct 2021 05:28:46 +1000 (AEST) Received: by mail-qt1-f180.google.com with SMTP id g17so8445637qtk.8 for ; Sun, 24 Oct 2021 12:28:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ccc.com; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=LS0LCr9eItM2aSY/hKFZIfC/p6QRmKsXcpj6NpB7PGY=; b=Gomr16JOCdJQSZbOlo96plzWaEsAnSrrBF5IRzO2MhmlFRPKmklCMCSe6XhPi7dRf6 eQ8XoobOknI9GwP93Xrmw0H9FZeX8URuW5Ai48jH0BpULA25LtSN0BqfyrMbVC/2qcA5 k9HpARLm479G6RFN+VBrDBVk3j9kLrtecjNOI= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=LS0LCr9eItM2aSY/hKFZIfC/p6QRmKsXcpj6NpB7PGY=; b=Mtz89ZOwKqDo+YusIriiktk0BkLmHQ7F+LLQY2LnpWjoA9+JknxM91dzDPAkmoo8+p DK147vzgXn2xWIu/jSWy7lDd4Hzk8Q6frvxPLZH4rzg6LUVflD6NLK8vShJu+EDlWC4Q EcMo0yPvadeAD0mYM/Gx9B3KgB17AnV+5wzhTFRHDR+VVztskpVGsnkukMVtvxPvO2K5 aZOCrh9b4WbfwsXLmr9XvCQpUi95YDe01MgdlQlQTnuhybAMQVX42XWdxIyLEBFC2guI EekbE3tUduNndcWzYur6apTN80OeqlswgZx/VpX9gRQus67Pl1YhnJxwXIqu1mZpOIJh Hg9Q== X-Gm-Message-State: AOAM533TpeohxLpWNywmoL4B9p68x8kfmWQ9yWY6TCVm5teRgDIMVtCk wvH5XtEtU7TL50bS8AbjSFtA+l3jZNe9LiX5siDkm54soZk= X-Google-Smtp-Source: ABdhPJyITbyG9GKJGWbiNf4MgoQk3EEpBfCb5gieypJTDiohEAAfRP1OXaqvVy4j3iYlayWMzA/kSf9yIeelBfJG20Q= X-Received: by 2002:ac8:5846:: with SMTP id h6mr12850701qth.340.1635103724998; Sun, 24 Oct 2021 12:28:44 -0700 (PDT) MIME-Version: 1.0 References: <7wtuh6e6u6.fsf@junk.nocrew.org> In-Reply-To: From: Clem Cole Date: Sun, 24 Oct 2021 15:28:34 -0400 Message-ID: To: Ron Natalie Content-Type: multipart/alternative; boundary="000000000000b3250705cf1e4081" Subject: Re: [TUHS] Unix NCP protocol stack for ARPANET 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: tuhs@tuhs.org Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" --000000000000b3250705cf1e4081 Content-Type: text/plain; charset="UTF-8" Ron. Where did the back ncp come from?as I said I never saw it and we tried to find one. Same for an IP implementation. That's why we wrote one. We were 3coms first customer and I somewhere have the mailing evenlope marked the 32 of December because they had a VC payment dependent on delivering before end of year. As for 11s. Yes that is true. A lot of them front ended large systems as Bob pointed out but many were self supporting as you note. On Sun, Oct 24, 2021 at 2:41 PM Ron Natalie wrote: > There were definitely as many PDP-11's (most running UNIX) as there were > DEC 10s in the glory days of the Arpanet. VAXes only rolled out toward > the end of the NCP era. > > However, the last NCP host table shows this statistic for DEC machines on > the NCP Arpanet > > VAX (UNIX): 58 > VAX (VMS): 19 > > PDP11 (UNIX): 59 > PDP11 (RSX): 6 > PDP11 (MOS): 11 > PDP11 (MINITS); 10 > > PDP10 (TOPS-20): 40 > PDP10 (TOPS-10): 7 > PDP10 (TENEX): 22 > PDP10 (ITS): 4 > PDP10 (WAITS): 3 > > I had all but forgotten about Local Host / Distant Host / Very Distant > Host 1822 protocols. I remember that BRL had a PDP-11/40 running ANTS > (ArpaNet Terminal Server out of University of Illinois). It got replaced > by an 11/34 running UNIX when the Arpanet went to long leaders New Years > 1981. > -- Sent from a handheld expect more typos than usual --000000000000b3250705cf1e4081 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Ron. Where did the back ncp=C2=A0come from?as I said I ne= ver saw it and we tried to find one.=C2=A0 Same for an IP implementation.= =C2=A0 That's why we wrote one.=C2=A0 We were 3coms first customer and = I somewhere have the mailing evenlope marked the 32 of December because the= y had a VC payment dependent on delivering before end of year.

As for 11s. Yes that is true.=C2=A0 = A lot of them front ended large systems as Bob pointed out but many were se= lf supporting as you note.=C2=A0

<= div dir=3D"ltr" class=3D"gmail_attr">On Sun, Oct 24, 2021 at 2:41 PM Ron Na= talie <ron@ronnatalie.com> = wrote:
There were definitely a= s many PDP-11's (most running UNIX) as there were DEC 10s in the glory = days of the Arpanet.=C2=A0 =C2=A0VAXes only rolled out toward the end of th= e NCP era.=C2=A0 =C2=A0=C2=A0

However, the last NCP host= table shows this statistic for DEC machines on the NCP Arpanet
<= br>
VAX (UNIX):=C2=A0 58
VAX (VMS):=C2=A0 19
=
PDP11 (UNIX):=C2=A0 59
PDP11 (RSX): 6
PD= P11 (MOS):=C2=A0 11
PDP11 (MINITS); 10

P= DP10 (TOPS-20):=C2=A0 40
PDP10 (TOPS-10): 7
PDP10 (TENE= X):=C2=A0 =C2=A022
PDP10 (ITS):=C2=A0 4
PDP10 (WAITS): = 3

I had all but forgotten about Local Host / Dista= nt Host / Very Distant Host 1822 protocols.=C2=A0 =C2=A0 I remember that BR= L had a PDP-11/40 running ANTS (ArpaNet Terminal Server out of University o= f Illinois).=C2=A0 =C2=A0It got replaced by an 11/34 running UNIX when the = Arpanet went to long leaders New Years 1981.
= --
Sent from a handheld expect more typos than usual
--000000000000b3250705cf1e4081--