Google’s services outage today was apparently Google mucking with something on the backend, in a sort of “don’t touch if it ain’t broke” mistake. Admittedly, we’re being snarky, as Google was working on something that definitely needs addressing, but it still made a major impact on systems around the world. It’s the old “we are running out of IP addresses problem.” IP addresses identify clients on the Internet, and IPv4, the current version has a limit of 4,294,967,296 possible unique addresses. The solution