In today's data center, millions of instructions per second (MIPS) and gigabyte per second (GBPS) throughput are well and good, but being green (having a low power consumption) is becoming just as important. That's why Canonical, the company behind Ubuntu Linux, is betting that in the long run, ARM processors will play an important role in tomorrow's servers and datacenters.
Ubuntu Linux doesn't play a big role in the x86 business server space. For Linux, Red Hat takes those honors. So, after four years of working with ARM, Canonical is trying to win a new server market for itself by helping create the ARM business server space.
Here's how Canonical plans on making this work. In October 2011, the Ubuntu Server 11.10 release will be released simultaneously for x86, x86-64 and ARM-based architectures. The base image of the releases will be the same across architectures with a common kernel baseline. The ARM architecture will also be part of the long-term support (LTS) version of Ubuntu Server in 12.04 and other future releases.