EARTH Computing is reimagining the datacenter to be simple to manage, resilient under failure, and secure.  We start with a new link protocol running on standard Ethernet hardware that provides liveness detection without heartbeats or timeouts, enables fast recovery following link or node failures, and makes possible confinement of untrusted applications.  These features allow us to use a novel addressing scheme that dramatically simplifies datacenter management.  Instead of managing services by editing lists, we manage them by specifying equations.  The combination of reliable failure detectors and our addressing scheme makes many classes of attacks against existing datacenters inexpressible.