> One of the challenging parts about this today is that most software is designed to run on single machines, and parallelization may be limited to the number of

> One of the challenging parts about this today is that most software is designed to run on single machines, and parallelization may be limited to the number of machine cores or threads available locally. Depending how you look at it, I don't think most software is designed to take advantage of multiple cores, let alone multiple machines.