ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,425,355, issued on Sept. 23, was assigned to Amazon Technologies Inc. (Seattle).
"Routing network traffic in Clos fabrics" was invented by David Alonso Flamini (Dublin) and Patricio Giecco (Upland, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A computer-networking system is described to leverage traffic splits naturally occurring in Clos fabrics along the path to a top tier of the fabric. Using the traffic splits, a result similar to or the same as WECMP can be implemented but using less network-device overhead. The system introduces another level of indirection abstracting sets of outgoing next hops across tier 1 devices in the fabric and lev...