----------------------------------------------------------------------------------
@MSGID: 7@news.misty.com> e0fdf33f
@REPLY: 3@reader2.panix.com> a054f883
@REPLYADDR Johnny Billquist <bqt@softjar.se>
@REPLYTO 2:5075/128 Johnny Billquist
@CHRS: CP866 2
@RFC: 1 0
@RFC-Message-ID: 7@news.misty.com>
@RFC-References:
<memo.20230924151040.16292R@jgd.cix.co.uk> <7wpm22j0bh.fsf@junk.nocrew.org> 4@news.misty.com>
<7wh6nehycy.fsf@junk.nocrew.org> 3@reader2.panix.com>
@TZUTC: 0200
@PID: Mozilla Thunderbird
@TID: FIDOGATE-5.12-ge4e8b94
On 2023-09-28 21:59, Dan Cross wrote:
> In article <
7wh6nehycy.fsf@junk.nocrew.org>,
> Lars Brinkhoff <
lars.spam@nocrew.org> wrote:
>> Johnny Billquist wrote:
>>> There were of course development, and testing done between machines
>>> and so on. But that was not "ARPANET". ARPANET was running NCP until
>>> flag day, when it officially switched to IP.
>>
>> NCP and TCP operated in parallel on the ARPANET for a while. The
>> Internet Protocol Transition Workbook from November 1981 encouraged new
>> hosts to only implement TCP, not NCP, and says at that point there were
>> TCP-only hosts. On several occasions during 1982, NCP was temporarily
>> blocked, but TCP was allowed. What happened on flag day was that NCP
>> was permanently blocked.
>>
>> So what I was wondering was: were there any VAXen talking NCP, or did
>> they jump straight to TCP? I`d like to see evidence, not handwaving.
>
> This came up on the TUHS list back in 2021 (you were on the
> thread, Lars). That pointed to this:
>
>
https://www.tuhs.org/cgi-bin/utree.pl?file=BBN-Vax-TCP/history
>
> Which stronly implies that there was some "NCP" in VAX Unix
> sometime in 1980. Whether that was the Network Control Protocol
> or just an affectation for "networking code" (as implied by Noel
> Chiappa in the TUHS thread) is unknown.
I have obviously no idea. But one also have to be careful that DECnet
don`t get mixed in here, since there is also an NCP there. And Ultrix
talked DECnet on VAXen. Not sure when that came about, though...
Johnny
--- Mozilla Thunderbird
* Origin: MGT Consulting (2:5075/128)
SEEN-BY: 5001/100 5005/49 5015/255 5019/40 5020/715
848 1042 4441 12000
SEEN-BY: 5030/49 1081 5075/128
@PATH: 5075/128 5020/1042 4441