ALEXANDRIA, Va., June 2 -- United States Patent no. 12,647,486, issued on June 2, was assigned to Hewlett Packard Enterprise Development LP (Spring, Texas).

"Endpoint state management using start packet sequence numbers" was invented by Keith D. Underwood (Powell, Tenn.) and Robert L. Alverson (Seattle).

According to the abstract* released by the U.S. Patent & Trademark Office: "A destination node receives a connection request packet which indicates a starting packet sequence number (PSN) associated with a source node. The destination node accepts a first connection corresponding to the connection request packet in response to the starting PSN being valid. In response to the source node closing the first connection, the destination node: ...