ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,556,456, issued on Feb. 17, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).

"Communication method and related apparatus" was invented by Juan Zheng (Nanjing, China), Xubao Zhang (Dongguan, China), Zhong Chen (Beijing), Ting Liao (Nanjing, China) and Qing Yang (Nanjing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes: A first network device obtains first link layer topology information corresponding to a first network slice; the first network device obtains second link layer topology information corresponding to a second network slice; the first network device determines, based on the first link layer topology info...