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View Diary: Everything You Know About the Internet Is Wrong (184 comments)

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  •  They owned a version of it (4+ / 0-)
    Recommended by:
    cpresley, itsjim, FarWestGirl, Jerry J

    but they didn't own the whole show. My memory (apparently supported by Wikipedia) says that a few companies, Apollo Computer and Proteon Networks among them, had token-ring products before IBM. IBM, of course, had more marketing muscle in its mailrooms than these other companies had combined.

    Let us all have the strength to see the humanity in our enemies, and the courage to let them see the humanity in ourselves.

    by Nowhere Man on Wed Jul 25, 2012 at 01:07:25 PM PDT

    [ Parent ]

    •  And... (4+ / 0-)
      Recommended by:
      Nowhere Man, FarWestGirl, Jerry J, KenBee

      It was IBM's version that was adopted as 802.5, which pretty much doomed the others.

      Of course, like it did with every other technology related to PCs, IBM screwed this one up. Long after I was running Token Ring over shielded Cat 3 and Synoptics concentrators, IBM was still pushing its clunky Type 1 cable and mechanical MAUs.

       

      I feel like I'm taking crazy pills!

      by itsjim on Wed Jul 25, 2012 at 02:19:42 PM PDT

      [ Parent ]

    •  Soderquist's patent (1+ / 0-)
      Recommended by:
      palantir

      IBM said that its token ring was covered by a patent licensed from Olof Soderquist.  I've read the patent and I don't see a tight connection, but patent lawyers love to sue... The idea was that IBM would have less competition selling the circuit boards, so they could charge more. Ethernet, on the other hand, was covered by Xerox patents which were licensed freely (I think "as in beer" too), so everybody and his sister sold them and prices fell.  Thus IBM managed to use the threat of a patent suit to stay the big fish in its token ring pond, but they kept the pond small until it dried up.

      See VHS, Betamax vs.
      :-)

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