ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,949, issued on June 30, was assigned to Dell Products LP (Hopkinton, Mass.).

"Service level port oversubscription" was invented by Owen Martin (Hopedale, Mass.), Peter Linden (Boston) and Michael Scharland (Franklin, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A storage system includes at least one oversubscription-protected storage group and at least one non-protected storage group. Some or all of the primary path ports of the non-protected storage group are secondary path ports for the protected storage group. The secondary port paths are normally inactive for the protected storage group. When aggregate bandwidth on the primary port paths...