ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,445,374, issued on Oct. 14, was assigned to Hewlett Packard Enterprise Development LP (Spring, Texas).
"Nonstop forwarding for routed multicast traffic" was invented by Tathagata Nandy (Karnataka Bangalore, India), Chethan Chavadibagilu Radhakrishnabhat (Bangalore, India) and Subramanian Muthumukar (Chennai, India).
According to the abstract* released by the U.S. Patent & Trademark Office: "A programmed network device and corresponding method are provided for rebuilding a multicast state upon experiencing a failure in a network using a protocol independent multicast (PIM) protocol. The method includes receiving updates to an outgoing list (Olist) for a given multicast route (mroute) ...