ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,835, issued on Jan. 20, was assigned to Cisco Technology Inc. (San Jose, Calif.).

"Multi-layered secure equipment access" was invented by Robert E. Barton (Richmond, Canada), Flemming Stig Andreasen (Marlboro, N.J.), Jerome Henry (Pittsboro, N.C.) and Elango Ganesan (Palo Alto, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In one embodiment, a device receives discovery data generated by a plurality of networking devices in a network. The device determines, based on the discovery data, a hierarchy of layers of the network. The device receives a request by a client that is external to the network to access remotely a particular endpoint in the...