ALEXANDRIA, Va., March 3 -- United States Patent no. 12,568,036, issued on March 3, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).

"Route importing method, device, and system" was invented by Yangyang Shi (Nanjing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A route importing method includes after importing first routing information of a first VPN instance in a second network device from a first VPN instance to a second VPN instance in a first network device, the first network device imports the first routing information from the second VPN instance to a third VPN instance in the first network device, rather than separately importing the routing information of the first VPN instanc...