ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,697, issued on Dec. 2, was assigned to ZHEJIANG LAB (Zhejiang, China).

"Method and apparatus for monitoring link state between nodes" was invented by Xingyu Liu (Zhejiang, China), Songsong Lin (Zhejiang, China) and Wenjiao Yang (Zhejiang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure discloses a method and apparatus for monitoring a link state between nodes. The method includes: determining, by a first node, whether to transmit a first diagnosis message to a second node based on a monitoring result of whether to receive message data transmitted by the second node for a first time duration; processing, by the second node,...