[ih] History of the TCP/UDP port space

Joe Touch touch at ISI.EDU
Tue Jan 24 08:04:26 PST 2006


Hi, Mike,

Mike Padlipsky wrote:
> At 03:11 PM 1/23/2006, Bob Braden wrote:
>> Joe,
>>
>> I think you are confusing ARPAnet NCP port assignments with TCP/IP
>> port assignments.
> 
> it's worse than that.
> 
> without prejudice to my views on the subject 'history''s accuracy, or
> even comprehensibility, my first reaction to the message this one was
> responding to was 'what?  we didn't have ports when rfc 33 would have
> been written; i'm not even sure we had sockets yet.'
> 
> so i looked at what purports to be a transcription of rfc 33 according
> to the first googhit on 'rfc index' and immediately noticed that it had
> a 1973 [sic: 3, as in three] publication date, which is absurd.  [but
> enough other 2-digit rfcs refer to it that i'll take the 3 as a typo for
> 0.]  sure enough, we had sockets, not ports.

The versions on-line appear to have a typo on the first page, indicating
1973 there, but using 1970 for the headings of the remainder and even in
a self-referential note on page 17. I'll forward this to the updates
to-do list ;-)

Joe

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