From: cym224@gmail.com (Nemo)
Subject: [TUHS] A Talk on Early Unix
Date: Thu, 30 Jun 2016 10:11:50 -0400 [thread overview]
Message-ID: <CAJfiPzyFm8xGVMt3HCjv+8LUSrTwL-UrQt3njZHZK_ScyDvDnw@mail.gmail.com> (raw)
In-Reply-To: <CAD-qYGpJdbtqCFBYBexTiaqFGGCXK6rauiOMsqLB+LdGFqaOLQ@mail.gmail.com>
On 30 June 2016 at 06:30, Andrew Warkentin <andreww591 at gmail.com> wrote:
> On 6/30/16, arnold at skeeve.com <arnold at skeeve.com> wrote:
>>> For example, I thought Unix was used at some point as the OS for some
>>> of the ESS switches in AT&T, but now I think I was mistaken.
>>
>> I think that your initial statement is correct. At Georgia Tech AT&T gave
>> us some 3B20s - vax size and larger, running System V, and I remember some
>> discussion that they were used inside AT&T as switches.
>>
>> This, of course, is second hand information; perhaps some of the Bell Labs
>> alumni can verify for real.
>>
>> Arnold
>>
>
> AFAIK the later ESS switches include a 3B machine but it only handles
> some administrative functions, with most of the the actual call
> processing being performed in dedicated hardware.
I feel dated: 2ESS was just coming in and offices had Strowger
switches when I left that field. Wikipedia
(https://en.wikipedia.org/wiki/5ESS_Switching_System) claims that 5ESS
ran under UNIX-RTR.
N.
next prev parent reply other threads:[~2016-06-30 14:11 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-30 6:56 Warren Toomey
2016-06-30 7:10 ` arnold
2016-06-30 10:30 ` Andrew Warkentin
2016-06-30 10:39 ` Andrew Warkentin
2016-06-30 11:03 ` Steve Nickolas
2016-06-30 12:17 ` [TUHS] List reply-to Warren Toomey
2016-06-30 14:27 ` Steve Nickolas
2016-06-30 22:34 ` Dave Horsfall
2016-06-30 22:58 ` Random832
2016-07-02 5:59 ` Greg 'groggy' Lehey
2016-06-30 22:22 ` [TUHS] A Talk on Early Unix Dave Horsfall
2016-06-30 14:11 ` Nemo [this message]
2016-06-30 12:41 Doug McIlroy
2016-06-30 12:53 ` Ronald Natalie
2016-07-01 3:48 ` Lyndon Nerenberg
2016-07-02 1:57 ` Steve Simon
2016-07-03 1:17 ` Brad Spencer
2016-06-30 13:02 ` Dan Cross
2016-06-30 16:34 Doug McIlroy
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