ALEXANDRIA, Va., April 9 -- United States Patent no. 12,273,219, issued on April 8, was assigned to Hewlett Packard Enterprise Development LP (Spring, Texas).

"Efficient multicast packet forwarding in a distributed tunnel fabric" was invented by Tathagata Nandy (Bangalore, India), Chethan Chavadibagilu Radhakrishnabhat (Bangalore, India), Thomas Samuel (Bangalore, India) and Priyam De (Bangalore, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for efficient multicast control packet forwarding is provided. During operation, the system can maintain a first tunnel between a first switch and a second switch in an overlay tunnel fabric. The encapsulation of a packet sent via the overlay tunnel fabri...