ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,946, issued on April 14, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"In-band service chaining in a distributed services environment" was invented by Anand Singh (Apex, N.C.), Erich Nahum (New York), Dylan J Brisco (Cary, N.C.), Douglas Alan Larson (Raleigh, N.C.) and Vijay Kestur (Cary, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described are techniques for in-band service chaining. The techniques include generating a topic chain for a service request that spans a set of service nodes in a distributed services environment. The topic chain indicates a sequence of topics to publish the service request so as to prov...