Re: UUNET issues?

From: Donald Stahl (no email)
Date: Sun Nov 05 2006 - 21:17:52 EST

  • Next message: Donald Stahl: "Re: UUNET issues?"

    > Anyway, I don't think that would have helped if you're talking about the
    > same incident I'm thinking of. There were application-level
    > retransmissions of (corrupted) packets, complete with building new bad
    > packets from bad data structures, all over the net
    >
    > The problem is documented in RFC 789 It and "The Bug Heard 'Round the
    > World" are two of my favorite "how complex systems fail" papers; all
    > system designers should read, memorize, and undertand both.
    I actually asked Stephen if he was referring to the LSA corruption problem
    and he said he was referring to an earlier issue (circa 1972).

    As for the LSA issue- rebooting would have fixed the problem, assuming it
    was done by all nodes at the same time. All of the Link State tables would
    have been rebuilt from scratch by the IMPs and the corrupt announcements
    would have been gone.

    As I recall the IMP software was actually patched to ignore the
    problematic announcements from IMP 51.

    -Don


  • Next message: Donald Stahl: "Re: UUNET issues?"





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