This article is part of a series, and the goal is to create content caching nodes on hosts scattered around the world. When a user connects, the DNS will return the closest active host to them. On a larger scale, it's not much different from what commercial CDNs do.
After my post on why we’re migrating (many of) our servers to FreeBSD, I’ve received a lot of feedback. Many questions, many comments. Many e-mails from Linux users asking how we’re migrating, how jails can replace lxc or (in part) Docker, and how we’re monitoring and performing backups/restores.