IKEv2 sets the foundation for a secure VPN connection by establishing an authenticated and encrypted connection. It was developed by Microsoft and Cisco to be fast, stable, and secure. It succeeds on all of these fronts, but where it really shines is its stability. As part of the IPSec internet security toolbox, IKEv2 uses other IPSec tools to provide comprehensive VPN coverage.
This post explains VPN protocols and how to choose the right one for the best. VPN Protocols: PPTP VS SSTP VS L2TP/IPSec VS IPSec/IKEv2 VS OpenVPN VS SoftEther VS WireGuard.