What is VPNaaS (VPN as a Service) in OpenStack? VPNaaS (VPN as a Service) — is a virtual private network service provided within the OpenStack project. It allows users to create secure connections between different network segments or between remote devices over the internet using VPN protocols such as IPSec (Internet Protocol Security) and SSL/TLS (Secure Sockets Layer/Transport Layer Security). Here are a few examples of what VPNaaS (VPN as a Service) in OpenStack can be used for : 1) Ensuring...