Databases Synchronization Proposal

  > bmanning at ISI.EDU (Bill Manning) writes:
  > > 
  > > If you want to do timestamping you need synchronized clocks (use NTP) and
  > > you need to agree to run at least your timestampers in the same time zone
  > .
  > > The right choice of time zone is UTC.
  > > 
  > > --jon.
  > 
  > All very true.  However... we can't mandate that everyone particpating the
  > the IRR run an NTP syncronized server where their portion of the DB sits.
  > (as an aside, PST or WET is just as good as UTC nee GMT, as long as we all
  > agree.)
  > 
  > I expect that what we really want is something more along the lines of
  > the work being done in the dynamic update/ Incremental transfer areas
  > of BIND...  It even includes some neato things like authentication of 
  > specific RR's.   And as I recall, DNS does not require NTP syncronized
  > servers... at least not yet :)

Bill, Jon,

don't do overkill yet! 
An expedient and sufficient soloution is to use sequence numbers to detect
missing and out-of-order updates and a timestamp to be able to roughly
synchronise databases in time. This does not need millisecond or even second
accuracy, does it?

Daniel



-------- Logged at  Fri Mar 10 20:42:14 MET 1995  ---------