ALEXANDRIA, Va., July 15 -- United States Patent no. 12,665,832, issued on June 23, was assigned to ECI Telecom Ltd. (Petah Tikva, Israel).

"Spectral defragmentation in communication networks" was invented by Efraim Gelman (Ramat Gan, Israel), Inbal Hecht (Petah Tikva, Israel) and Shirel Ezra (Ganei Tal, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "An assignment of demands to routes on a communication network can be improved by selecting and updating a subset of the routes. A network management system (or other communication network component) can obtain a representation of the communication network. The representation can include a network graph, sets of resources, and a set of paths for the networ...