[ih] NCSA & TCP on Mac, was Re: Hello, Internet History group

[Gaige B. Paulsen]

I’d agree with Woody here. Open Transport was definitely based on Streams (licensed from Mentat, IIRC); but I’m not sure of the provenance of MacTCP.

-Gaige


> On Mar 18, 2025, at 21:05, Bill Woodcock <woody at pch.net> wrote:
> 
> Richard Ford or Garry Hornbuckle could answer that, they’re both still around.
> 
>                -Bill
> 
> 
>>> On Mar 18, 2025, at 19:09, David Finnigan via Internet-history <internet-history at elists.isoc.org> wrote:
>>> 
>>> On 18 Mar 2025 12:18 pm, Gaige B. Paulsen via Internet-history wrote:
>>> Yep, InterCon’s products were built from the original work that Tim
>>> Krauskopf and I did on the TCP/IP stack for NCSA Telnet.
>>> The original versions of NCSA Telnet (1985/1986) used an AppleTalk
>>> (LocalTalk) gateway that came out of Stanford (SEAGATE, the Stanford
>>> Ethernet-AppleTalk Gateway) and commercialized by Kinetics. Our SLIP
>>> implementation came quite a bit later, and the PPP implementation a
>>> bit later than that. I honestly don’t think we ever released a version
>>> of SLIP for the internal stack, only with MacTCP.
>>> I’m happy to discuss any of the particulars of what we did back in the day.
>>> I’m not sure if Kurt or Amanda are on the list here, but they’re
>>> definitely still around.
>>> -Gaige
>> 
>> As a side project, I began researching other TCP implementations for Macintosh, and this is the web page that I put together:
>> https://macgui.com/sabina/other_tcp.html
>> 
>> An unanswered question was whether Apple's MacTCP was an original implementation, or a port or adaptation of some existing code.
>> 
>> -David Finnigan
>> --
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> 
>