Comparing MPLS, IPSec, and SSL VPN Architectures

The Layer 3 IP VPN architecture that an enterprise chooses for its corporate WAN has wide-ranging effects on the business, including scalability, connectivity options, and the ability to deploy voice, video, and multicast applications. Enterprises can select from Layer 3 IP VPN architectures based on Multiprotocol Label Switching (MPLS), IP Security (IPSec), and Secure Sockets Layer (SSL).

THE OPTIMAL IP VPN ARCHITECTURE FOR AN ENTERPRISE CORPORATE WAN DEPENDS ON ITS BUSINESS REQUIREMENTS

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