CenturyLink® Resiliency & Disaster Recovery: Active-Active CenturyLink Active-Active Disaster Recovery (DR) solutions offer the highest level of resiliency for mission-critical environments that require the lowest Recovery Time Objectives (RTOs). CenturyLink DR solutions are customisable to business needs from a broad portfolio of network, co-location, hosting, cloud security and IT services (design, deploy, test) offerings.