ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,549,402, issued on Feb. 10, was assigned to Hewlett Packard Enterprise Development LP (Spring, Texas).

"Multicast for multifabric virtualized networks" was invented by Tathagata Nandy (Bangalore, India) and Thomas Samuel (Bangalore, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "In certain implementations, a border VTEP device sends, to a second border VTEP devices, a first PIM-SM hello message indicating the border VTEP device is a local RP in a first fabric of a VxLAN. The border VTEP device receives a second PIM-SM hello message indicating that the second border VTEP devices is a local RP in a second fabric. A first PIM-SM control message is se...