Fwd: TCP adoption in 1984
Tom Lyon via Internet-history <[email protected]>
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forgot to copy list ---------- Forwarded message --------- From: Tom Lyon <[email protected]> Date: Sat, May 2, 2026 at 4:27 PM Subject: Re: [ih] TCP adoption in 1984 To: Bob Purvy <[email protected]> Oh, yes. TCP/IP/Ethernet were always the core supported protocols. On Sat, May 2, 2026 at 4:12 PM Bob Purvy <[email protected]> wrote: > "Sun announced 10Mb Ethernet product on 4/15/83; SunOS 1.0, based on > 4.2BSD Beta, formally shipped in November of 1983. There were also some > sizeable 3Mb Ethernet sites before that. > *So, lots of TCP over Ethernet,* " > > does that follow? was Sun running TCP then? > > On Sat, May 2, 2026 at 4:05 PM Tom Lyon <[email protected]> wrote: > >> Sun announced 10Mb Ethernet product on 4/15/83; SunOS 1.0, based on >> 4.2BSD Beta, formally shipped in November of 1983. There were also some >> sizeable 3Mb Ethernet sites before that. >> So, lots of TCP over Ethernet, but who knows how many were actually on >> the Arpanet? >> BTW, I recall there was plenty of TCP over 10Mb Ethernet even before the >> ARP protocol came out. >> >> On Sat, May 2, 2026 at 3:26 PM Bob Purvy via Internet-history < >> [email protected]> wrote: >> >>> Grok's estimate is that about 900 hosts could be reached via TCP, at the >>> end of 1984. RFC 984 for TCP over Ethernet was in April of that year. >>> >>> Were these *entirely* university and research machines? Were any of them >>> actually running TCP on Ethernet? Does anyone know" >>> >>> Thanks, >>> >>> Bob >>> -- >>> Internet-history mailing list >>> [email protected] >>> https://elists.isoc.org/mailman/listinfo/internet-history >>> - >>> Unsubscribe: >>> https://app.smartsheet.com/b/form/9b6ef0621638436ab0a9b23cb0668b0b?The%20list%20to%20be%20unsubscribed%20from=Internet-history >>> >> -- Internet-history mailing list [email protected] https://elists.isoc.org/mailman/listinfo/internet-history - Unsubscribe: https://app.smartsheet.com/b/form/9b6ef0621638436ab0a9b23cb0668b0b?The%20list%20to%20be%20unsubscribed%20from=Internet-history