ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,537,716, issued on Jan. 27, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).

"Data transmission method and communication apparatus" was invented by Qichang Chen (Shenzhen, China), Min Zha (Shenzhen, China) and Dongdong He (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a data transmission method, each ring network interface is associated with a ring identifier, and a ring-incoming packet carries a ring identifier of a ring network interface through which the packet is first forwarded. When a node in a ring network detects a link fault in a process of transmitting a packet, the node determines, with reference to a ring ...