ALEXANDRIA, Va., June 12 -- United States Patent no. 12,301,595, issued on May 13, was assigned to Palo Alto Networks Inc. (Santa Clara, Calif.).
"Predictive DNS cache to improve security and performance" was invented by Daiping Liu (Sunnyvale, Calif.), Jun Wang (Fremont, Calif.) and Wei Xu (Cupertino, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present application discloses a method, system, and computer system for predicting responses to DNS queries. The method includes receiving a DNS query comprising a subdomain portion and a root domain portion from a client device, determining whether to obtain target address information corresponding to the DNS from a predictive cache, in response to det...