ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,476,902, issued on Nov. 18, was assigned to Cisco Technology Inc. (San Jose, Calif.).

"Optimizing application performance in hierarchical SD-WAN" was invented by Samir Thoria (Saratoga, Calif.), Ram Dular Singh (Cupertino, Calif.), Praveen Raju Kariyanahalli (San Ramon, Calif.), Laxmikantha Reddy Ponnuru (Santa Clara, Calif.) and Ramanathan Lakshmikanthan (Santa Clara, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods are provided for receiving bandwidth metrics from a plurality of routers on respective link routes in a network, compiling a link database including the bandwidth metrics of each respective link route in the network...