Network visibility

Thu Oct 21 17:36:15 UTC 2021

One of my favorite classes ever.

G

> On Oct 21, 2021, at 11:15, Kain, Becki (.) <bkain1 at ford.com> wrote:
> 
> I'm just kidding.  I wasn't on until 1990 when I was teaching IBM 370 assembler
> 
> 
> -----Original Message-----
> From: Mel Beckman <mel at beckman.org> 
> Sent: Thursday, October 21, 2021 12:12 PM
> To: Kain, Becki (.) <bkain1 at ford.com>
> Cc: Owen DeLong <owen at delong.com>; bzs at theworld.com; nanog <nanog at nanog.org>
> Subject: Re: Network visibility
> 
> Becki,
> 
> I was on ARPANET through the USDA in the 1980s. So, not that old :)
> 
> -mel
> 
> 
>> On Oct 21, 2021, at 9:04 AM, Kain, Becki (.) <bkain1 at ford.com> wrote:
>> 
>> How old are all you people?
>> 
>> 😊
>> 
>> (JK)
>> 
>> 
>> -----Original Message-----
>> From: NANOG <nanog-bounces+bkain1=ford.com at nanog.org> On Behalf Of 
>> Owen DeLong via NANOG
>> Sent: Thursday, October 21, 2021 11:43 AM
>> To: bzs at theworld.com
>> Cc: nanog at nanog.org
>> Subject: Re: Network visibility
>> 
>> WARNING: This message originated outside of Ford Motor Company. Use caution when opening attachments, clicking links, or responding.
>> 
>> 
>>>> On Oct 20, 2021, at 14:19 , bzs at theworld.com wrote:
>>> 
>>> 
>>> On October 20, 2021 at 16:08 mel at beckman.org (Mel Beckman) wrote:
>>>> Mark,
>>>> 
>>>> Before 1983, the ARPANET wasn’t an internet, let alone The Internet. 
>>>> Each ARPANET connection required a host-specific interface (the
>>>> “IMP”) and simplex Network Control Protocol (NCP). NCP used users' 
>>>> email addresses, and routing had to be specified in advance within each NCP message.
>> 
>> I think you mean before 1982.
>> 
>> TCP/IP was deployed starting in 1982. NCP was deprecated (removed from 
>> the
>> ARPANET) January 1, 1983, but TCP/IP was implemented (and deployed) prior to that.
>> 
>>> 
>>> Then again there were IMPs fitted to various systems like TOPS-10, 
>>> ITS, Vax/BSD Unix, IBM370, etc.
>>> 
>>> So was that really all that different from ethernet vs, oh, wi-fi or 
>>> fiber today, you needed an adapter?
>> 
>> It really wasn’t, but even if you just want to count from TCP/IP forward, 1983 isn’t the correct date. 1983 was when we turned off NCP. It wasn’t when we turned on TCP/IP. The turn on of TCP/IP occurred over several months, so there’s no particular date that can be assigned to it.
>> 
>> Owen
>> 
>> 
> 