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

[Vint Cerf]

the US-based Telenet and Tymnet both offered X.25 service and implemented
X.75 I believe.

On Sat, Aug 8, 2015 at 11:04 AM, John Day <jeanjour at comcast.net> wrote:

> 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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> >>    assistance.
> >>
> >>
> >
> >
> > --
> > In theory, there is no difference between theory and practice.
> > In practice, there is.   .... Yogi Berra
> >
> > _______
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>
>
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