ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,471, issued on May 27, was assigned to VMWare LLC (Palo Alto, Calif.).

"Distributing multicast receiver information across multi-tier edge gateways" was invented by Senthilkumar Karunakaran (Santa Clara, Calif.), Subin Cyriac Mathew (San Jose, Calif.), Chidambareswaran Raman (Sunnyvale, Calif.) and Rishi Kanth Alapati (Dublin, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Some embodiments provide a method of multicasting data in a segregated logical network with multiple network segments. The network segments each have at least one router. The multicast originates from a multicast source in a first network segment and goes to multicast recei...