Let’s begin with the technologies themselves. Painting with a broad brush, network-based IP VPN provides a versatile platform, unifying communications across Associate in Nursing enterprise’s distributed locations; local area network WANs, however, square measure best at supporting high-throughput applications at intervals a lot of restricted footprint, and square measure usually accustomed connect multiple LANs during a single railroad line space (or to interconnect railroad line WANs). And, not amazingly, each services work optimally once deployed in environments that closely match their supposed capabilities.