Recently in Thoughts Category
For years I've used or relied upon virtualization technologies such as User Mode Linux, FreeBSD Jail, VMWare, Parallels, and Xen (by virtue of EC2). All of these represent a kind of vertical or narrow virtualization, where you have a single box and are sliding into it as many virtual systems as possible. The converse to this is a kind of wide virtualization that spanning many machines.
Funny thing happened on the way home from the office today. In short, I got to spend two segments of a flight from BOS to SFO with the same UAL pilot. And both segments were delayed at the departure and arrival of each, in similar fashions, causing many missed connections.
How can you measure how far a given complex System is from the simplest System it can be? Here's a hint:
distance = sqrt( Tp^2 + Tm^2 + Tv^2 + Tl^2 )