[ih] Any suggestions for first uses of "e-mail" or "email"?

[John Day]

X.75 was widely used within PTT packet-offerings.  As you would imagine mostly outside North America.


> On Aug 8, 2015, at 10:18, Miles Fidelman <mfidelman at meetinghouse.net> wrote:
> 
> Which raises an obvious question:  Did X.75 ever get much traction?  In 
> my days at BBN (1985-1992), and for a few years earlier, when I was 
> selling time sharing services, and using TELENET, I can't really recall 
> ever encountering it in real use.
> 
> Miles
> 
> Vint Cerf wrote:
>> Larry Roberts asked me what he should use for protocol in Telenet and 
>> I said TCP but he said he could not sell datagrams and went on to 
>> develop X.25's virtual circuits with French, Canadian and UK 
>> assistance at CCITT (now ITU-T). That was standardized in 1976 while 
>> TCP was evolving. I told him we would run TCP (eventually TCP/IP) over 
>> X.25 and by 1981 or so that is what we did in CSNET. 1822 was never a 
>> contender for a global standard. X.25 begot X.75 which was the CCITT 
>> response to the Internet's TCP/IP.
>> 
>> OSI was yet another effort to craft a non-TCP/IP Internet and that got 
>> started in 1978, using X.25 as the underlying virtual circuit basis. 
>> Eventually an OSI connectionless mode was developed CLNP but never 
>> gained much popularity.
>> 
>> The TCP/IP vs OSI battle lasted from 1978 to 1993. X.25 was around 
>> from 1976 to 2003 or so as I recall. I shut down the last MCI X.25 
>> offering about 2003 or so if memory serves.
>> 
>> On Sat, Aug 8, 2015 at 3:42 AM, Miles Fidelman 
>> <mfidelman at meetinghouse.net <mailto:mfidelman at meetinghouse.net>> wrote:
>> 
>> 
>>> On 08/08/2015 08:12, Jack Haverty wrote:
>>> ...
>>>> But I don't think there's much written
>>>> material about that battle between TCP/IP and X.25 in the
>>    ARPANET arena.
>> 
>>    Jack,
>> 
>>    Granted that the TCP/IP cutover happened 2 years before I got to
>>    BBN, so my exposure wasn't quite firsthand -
>>    but weren't the battles really between 1822 and X.25, and then
>>    TCP/IP vs. the ISO stack?  After all, 1822 and X.25 were both
>>    single subnet protocols, with no support for internetworking (and
>>    that IP runs over both of them, just fine).
>> 
>>    Miles
>> 
>> 
>> 
>>    --
>>    In theory, there is no difference between theory and practice.
>>    In practice, there is.   .... Yogi Berra
>> 
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> 
> 
> -- 
> In theory, there is no difference between theory and practice.
> In practice, there is.   .... Yogi Berra
> 
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