ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,537,764, issued on Jan. 27, was assigned to Arista Networks Inc. (Santa Clara, Calif.).
"Retracing routes of overlay packets" was invented by Michael Chih-Yen Wang (British Columbia, Canada), Prasanna Parthasarathy (Cupertino, Calif.) and Navdeep Bhatia (Mountain View, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for tracing routes taken by data packets transmitted through an overlay network are disclosed. A system uses a first TTL value for selecting a number of hops in an underlay network and a second TTL value for selecting the number of hops in the overlay network. Initially, the system increments the first TTL value with each ne...