ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,881, issued on April 21, was assigned to Microsoft Technology Licensing LLC (Redmond, Wash.).
"Bi-directional tunnel probing in a multi-realm network" was invented by Paul David Mattes (Saint Paul, Minn.), Umesh Krishnaswamy (San Jose, Calif.), Ashlesha Atrey (Sunnyvale, Calif.) and Guruprasad Bangalore Hiriyannaiah (Fremont, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Bi-directional tunnel probing in a network may be extended to multi-realm networks, providing bi-directional probing in a multi-realm network. Bi-directional probing uses probe packets with a forward tunnel label, a reverse tunnel label, and an IP packet header. Bi-directio...