CenturyLink® Private Line Services are delivered globally on the CenturyLink fiber network. Get dedicated bandwidth for high-priority business applications, diverse transport paths and immediate restoration. CenturyLink® Private Line Services are delivered globally on the CenturyLink fiber network. Get dedicated bandwidth for high-priority business applications, diverse transport paths and immediate restoration in case of an outage. As for support, CenturyLink offers the best of both worlds—the responsiveness, agility and customer focus of a local provider, backed by the resources, bandwidth and network of a global provider. • Enhanced reliability - Architecture that provides fully diverse paths for transport and immediate restoration in case of outages. • Global connectivity and metro depth - Around the corner or across the globe, we can support your network implementation with our global and local footprint. • Protect your network - Use trusted SONET and SDH for your high-priority business applications. • Leverage protocol independence - Carry IP, voice, data and video as Layer 2 or Layer 3 traffic."