ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,803, issued on Jan. 20, was assigned to Huawei Technologies Co. Ltd. (Shenzhen, China).

"Method and apparatus for sending multicast packet and method and apparatus for obtaining forwarding entry" was invented by Shuying Liu (Beijing), Ting Liao (Nanjing, China), Wei Fang (Shenzhen, China), Rui Gu (Beijing), Jingrong Xie (Beijing) and Xuesong Geng (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for sending a multicast packet and a related apparatus are provided. The method includes: a first network device obtains a first multicast packet, wherein the first multicast packet includes a bit string and an identifier of a network slice, t...