ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,700, issued on Dec. 2, was assigned to Ciena Corp. (Hanover, Md.).

"Automated ORF propagation in BGP networks" was invented by Gerald Smallegange (Ottawa), Anurag Prakash (Kanata, Canada), Samson Punnammoottil Ninan (Ottawa), Chaitanya Varma Guntumadugu (Ottawa) and Jayesh Jayachandra Kumar (Ottawa).

According to the abstract* released by the U.S. Patent & Trademark Office: "A Border Gateway Protocol (BGP) router is configured to obtain a plurality of prefix-lists one or more of (i) in local Outbound Route Filtering (ORF) and (ii) in ORF from upstream BGP routers, automatically apply logical set operations on the plurality of prefix-lists to determine an aggregated ORF for a downs...