[ih] Fw: Nit-picking an origin story

[Lars Brinkhoff]

Steve Crocker wrote:
> Vint Cerf wrote:
>> Alexander McKenzie wrote:
>>> Apologies but I don't know the details of 'fake host'.  Was this a
>>> virtual construct inside the IMP or a special device attached to it?
>> the fake host was a software construct in the IMPs that looked like 1822
>> hosts to the IMP internal software. There were four fake hosts as I recall.
> The terminal fake host generated and received messages in accordance with
> 1822.

Having this in fresh memory, I can refer to these pages in Report 1822:

https://raw.githubusercontent.com/larsbrinkhoff/linux-ncp/refs/heads/master/doc/BBN1822.pdf#page=119

If the "FOR IMP" bit is set in the leader (old style as relevant for the
1969 occasion), the host number refers to a "fake host".  Fake host 252
is the IMP Teletype:

https://raw.githubusercontent.com/larsbrinkhoff/linux-ncp/refs/heads/master/doc/BBN1822.pdf#page=96