ALEXANDRIA, Va., June 18 -- United States Patent no. 12,326,875, issued on June 10, was assigned to Cisco Technology Inc. (San Jose, Calif.).

"Disaster recovery in a clustered environment using generation identifiers" was invented by Da Xu (San Francisco), Sundar Vasan (San Francisco) and Dhruva Kumar Bhagi (Union City, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for performing disaster recovery in a clustered environment comprises identifying, at a master device, a first indexer from a set of indexers to serve as a primary indexer for responding to queries pertaining to a subset of data. The method also comprises assigning, at the master device, a generation identifier indicating that the...