ALEXANDRIA, Va., July 15 -- United States Patent no. 12,665,806, issued on June 23, was assigned to AT&T Intellectual Property I LP (Atlanta).

"Burst detection for root cause analysis of communication network soft failures" was invented by Chunhua Gao (Freehold, N.J.), Kevin D'Souza (Yardley, Pa.), Leah Zhang (Holmdel, N.J.) and Christopher Gwaltney (St. Charles, Mo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A processing system may obtain network connectivity test results, each indicating success or failure of a network connectivity test between a respective router pair from a plurality of routers of the communication network. The processing system may identify, from the connectivity test results, a bur...