ALEXANDRIA, Va., June 25 -- United States Patent no. 12,341,655, issued on June 24, was assigned to Cisco Technology Inc. (San Jose, Calif.).

"Network sustainability index" was invented by Ammar Rayes (Alamo, Calif.), Samer M. Salam (Beirut) and Balaji R. Venkatraman (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein are devices and methods for calculating a network sustainability index (NSI) and providing specific remediation/action plans to achieve better sustainability in network infrastructures. The NSI is calculated based on one or more of three main parameters: a reporting parameter, an optimization parameter, and/or a device energy efficiency rating. The reporting parame...