IP VPNs are “privatized” networks implemented over either the public Internet backbone or a service provider’s private IP backbone, making use of shared IP facilities to build an enterprise’s private WAN. This comes with the following advantages:
- IP offers any-to-any connectivity without having to procure additional permanent virtual circuits (PVCs), thus reducing complexity and simplifying administration.
- IP VPNs offer the security and predictable performance of private networks while adhering to the protocol standards of the Internet.
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