[e2e] What if there were no well known numbers?
day at std.com
Fri Aug 4 15:26:58 PDT 2006
At 12:46 -0700 2006/08/04, Bob Braden wrote:
>At 10:39 PM 8/2/2006 -0400, David P. Reed wrote:
>>The concept of "well-known ports" was built for a world in which
>>there was no lookup function, no DNS - in fact for a world where
>>people typed addresses in octal, long before there was a naming
>>service (even before the hosts file).
>Well, not exactly. It was (deliberately) built for a world in which
>we did not want increased communication fragility resulting
> from DNS lookup failures. Maybe that concern no longer seems real,
>but it was the concern.
DNS had not even been dreamed of when well-known sockets were put in
place. It was a quick fix to get ready for ICCC '72. These are
after the fact excuses to maintain the status quo.
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