Network-Based Internet Protocol Virtual Private Network

Ensure Your Agency's Traffic Remains Isolated from the Public Internet

CenturyLink's Network-Based Internet Protocol Virtual Private Network Services (NBIPVPNS) ensure that your Agency's traffic remains isolated from the public Internet and traverses a secure and reliable IP VPN. CenturyLink's NBIP-VPNS deliver wide area networking based on Multi-Protocol Label Switching (MPLS). CenturyLink's NBIP-VPNS creates a fully-meshed, any-to-any VPN, and offers your Agency a flexible Quality of Service (QoS) portfolio to meet increasing demands of VoIP and critical data delivery needs. These features make CenturyLink's NBIP-VPNS ideal for the seamless integration of your Agency's service delivery point sites with a broad range of bandwidth requirements and wide variety of access architectures. CenturyLink offers a full array of industry leading features, capabilities and interfaces for Networx NBIP-VPNS customers.


  • Highly reliable solutions using industry-leading, state-of-the-art, carrier-quality integrated NBIP-VPNS devices
  • High-quality services derived from a stable, proven network platform


  • A state-of-the-art global NBIP-VPNS backbone—no backbone congestion.
  • OC-192 IP backbone network global reach
  • Supports Layer 1 and multiple Layer 2 access types
  • Integration of secure Internet gateways for Extranet and Intranet internetworking
  • Robust NBIP-VPNS QoS to prioritize time-sensitive traffic such as VoIP and video streaming
    • Four priority queues
    • 14 percentage templates
    • Four queuing methods
  • Termination at CenturyLink's MPLS NBIP-VPNS edge routers using FIPS standard IPSec tunnels with AES and 3DES
  • Multiple VPN tunneling standards: include Layering 2 Tunneling Protocol, Transport Layer Security (TLS) formerly SSL, Internet Protocol Security, IP-in-IP, MPLS and Generic Routing Encapsulation
  • Optional network design and engineering services are available
  • PBIP-VPN integration for public-to-private MPLS networking
  • Any-to-any connectivity with multiple access types
  • Reliable, performance-based Acceptable Quality Levels (AQLs)
  • Expert support to design, install and manage networks
  • Easy to manage Control Center Networx Portal
  • Ability to burst to port speed
  • Redundant world-class Network Operations Centers (NOCs) and Operation Support Systems


All Applications, Teleworking Services, and Secure Remote Access

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