ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,513,067, issued on Dec. 30, was assigned to Nokia Solutions and Networks Oy (Espoo, Finland).

"Method, device and computer-readable medium for measuring traffic hit time during path switch" was invented by Xiao Hua Ma (Shanghai), Ming Zhong (Shanghai) and Jin Jiang Chen (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "Some embodiments of the present disclosure relate to methods, devices and computer-readable media for measuring traffic hit time during path switch. The method performed at a first device includes: sending, to a second device, operation administration and maintenance (OAM) frames with continuous sequence numbers; receiving from the...