Each IP VPN option comes with its own advantages and disadvantages as well as several interlocking factors such as site location, capacity and security requirements. This IP VPN decision model will highlight the key factors and their impact on the decision process. This model includes any IP VPN deployment strategy that could be used for the majority of a company’s backbone. We do not include specialty VPN products such as secure socket layer (SSL) VPNs, remote desktop control, and portal-based remote access. This selection criteria model is designed to help this kind of company choose the general direction best suited.”]
Source: https://www.csoonline.com/article/2116008/enterprises-find-selecting-an-ip-vpn-a-tough-decision.html