[ih] Hesitating to disagree with one of the fathers of the Internet..

[Vint Cerf]

i used the VDH on a PDP-11/40 (or 45??) at Stanford University.

v


On Fri, May 11, 2012 at 4:29 PM, Dave Walden
<dave.walden.family at gmail.com> wrote:
> At 02:49 PM 5/11/2012, Dave Crocker wrote:
>   4. Design of the standardized interface (and eventually plural)
>>
>> I don't know the history of the interface spec, but have the vague
>> impression that BBN did that, too.
>
>
>> Assuming Dave is talking about the 1822 interface, BBN spec'd that.  The
>> original spec was for the host to be located more or less next to the IMP
>> (short electrical connection).  This was how the original 4 site prototype
>> network was envision, and we were able to get that done in the nine months
>> before the UCLA IMP  was delivered. But it needed extending very shortly
>> immediately to allow for a host to be father away (up to 1,000 feet ?? --
>> can't remember).  The latter was his called the "distant host" interface
>> spec and was still all about electricity.  That lasted a while longer before
>> we had to allow hosts to connect to IMPs when the hosts were a
>> communications circuit away from the IMP; this was called the Very Distant
>> Host spec and it was implemented shortly after September 1971.  Success (not
>> just mistakes, as in the destination IMP storage lockup mentioned
>> yesterrday) drove a lot of changes.
>
>
>
> --
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