ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,756,632, issued on Oct. 6, was assigned to CenturyLink Intellectual Property LLC (Denver).
"Filtered advertisements of secondary servers" was invented by Dean Ballew (Sterling, Va.) and John R.B. Woodworth (Amissville, Va.).
According to the abstract* released by the U.S. Patent & Trademark Office: "In examples, a first Anycast advertisement is received from a first server identifying the first server as a primary address for a service. In addition, a second Anycast advertisement is received from the first server identifying the first server as a secondary address for the service. Further, a third Anycast advertisement is received from a second server identifying the second server as ...