ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,895, issued on April 14, was assigned to Cisco Technology Inc. (San Jose, Calif.).
"Packet metadata capture in a software-defined network" was invented by Blake Harrell Anderson (Chapel Hill, N.C.) and David McGrew (Poolesville, Md.).
According to the abstract* released by the U.S. Patent & Trademark Office: "In one embodiment, a switch in a software-defined network receives a packet sent by an endpoint device via the SDN. The switch makes a copy of the packet based on one or more header fields of the packet matching one or more flow table entries of the switch. The switch forms telemetry data for reporting to a traffic analysis service by applying a metadata filter to the copy ...