Nimbula – the build-your-own-cloud outfit founded by Amazon's former vice president of engineering – has announced a new release of its Director platform, saying it will allow businesses to run a unified "infrastructure cloud" across geographically separate data centers.In short, this means that those using such a cloud can log into a single console to tap computing resources served up from disparate physical locations. Nimbula says that Director is the first "cloud OS" to span geographies in this way.Reza Malekzadeh, Nimbula vice president of marketing, tells The Register that D...