> In a distributed system, the absolute value of the time is important Only for a co-variant data cohort is total temporal order necessary for correctness. It

> In a distributed system, the absolute value of the time is important Only for a co-variant data cohort is total temporal order necessary for correctness. It doesn't need to be system wide. Distinct (data independent) process groups can be partially ordered. There really is no such thing as "now" outside of a shared frame (or intersecting frames) of observation.