Patent 7373644 was granted and assigned to Level 3 Communications on May, 2008 by the United States Patent and Trademark Office.
Methods and apparatus for detecting a change in demand for server resources across a load-bearing system having one or more content servers hosting identical content, the load-bearing system being connected to a network of content servers; and automatically modifying the number of content servers on the load-bearing system in response to the change in demand.