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IP Knowledge Center

IP VPN Defined: An IP VPN is a routed link between two or more points across a shared network infrastructure with various degrees of security.

Internet Protocol Virtual Private Networks (IP VPNs) have become the cornerstone of a new age in global network communications that support multiple data, voice and video applications on a single network.

Throughout the pages on this site, you will find a host of insightful articles and presentations that explain the design and benefits of IP VPNs and an understanding of why they are revolutionizing multinational business communications.


Deep Dives

An MPLS-based IP VPN can become the starting point for the evolution to convergence. Find out how.

IP VPN Deep Dive

Case Studies

Read how IT managers are applying IP technologies, products and services to maximize network performance and cost savings.

N.A. Automobile Retail Chain

Rail Settlement Plan Ltd.

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Quick Links

How Does MPLS Work?

How Does MPLS QoS Work?

How Do I Select Class of Service per Application?

How Many Ways Can I Access a VPN?