> To me, it seems like the technology wasn't available back then. Banks had been doing this sort of stuff (distributed transactional integrity) for years by th

> To me, it seems like the technology wasn't available back then. Banks had been doing this sort of stuff (distributed transactional integrity) for years by the time the Horizon system was conceived. SAP and Oracle were in widespread use, and Oracle (the database underlying Horizon) was explicitly exonerated as a source of the bugs.