How Rackspace’s container platform is different

Unsurprisingly, Rackspace has joined the legions of other cloud vendors supporting application containers with a new service named Carina.

But what is interesting is Rackspace’s approach: The managed cloud company is offering customers the opportunity to run Docker application containers on bare metal – meaning not in virtual machines that use a hypervisor.

+MORE AT NETWORK WORLD: Is anyone actually using containers? +

Many other cloud providers – most notably Amazon Web Services and VMware – have resisted offering bare metal servers, mostly because using virtual machines allows them to either run their infrastructure more efficiently (in the case of AWS), sell more hypervisors (VMware), or use their existing management tools. There are pros and cons to running containers on bare metal and virtual machines, and arguments on both sides. Read more about some of those arguments here.

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