I tend to say that the cost of Now scales very badly with the diameter of the Now that you are buying. A 5 cm Now is quite cheap. A 10 m Now is quite expensive and the cost of a 1000 km Now is more than you can imagine.
On Thu, Apr 29, 2010 at 9:55 AM, Patrick Hunt <ph...@apache.org> wrote: > Ted, this is my browser homepage ;-) > http://en.wikipedia.org/wiki/Fallacies_of_Distributed_Computing > > Patrick > > > On 04/29/2010 09:14 AM, Ted Dunning wrote: > >> In general, the guarantee is that B will do exactly as you say.... it will >> read the new value or the old value. Your question depends on a >> definition >> of "now" that spans several machines. That is a dangerous concept and if >> your reasoning requires it, you are headed for trouble. >> >> On Thu, Apr 29, 2010 at 2:58 AM, Chen Bangzhong<bangzh...@gmail.com> >> wrote: >> >> , what value will B read? new >>> value or older value? >>> >>> >>
