Related: How IPSEC VPN work
Requires: Border Gateway Protocol (BGP) for Dynamic VPN

VPC to on-premise VPN solution. Can be Full HA. Is quick to provision ~1h

Considerations:
AWS Speed cap 1.25Gbps for single connection and same for whole VGW
Latency Considerations - inconsistent, ‘cos public internet
Hourly cost, GB out cost, data camp (on premise)
Speed to setup – can be hours for all software configurations
Can be used as a backup for Direct Connect (DX)
Can be used with Direct Connect (DX)

Consists of
VPC
Virtual GW - logical gateway object, target to VPC Routing
Customer GW - logical configuration in AWS or a physical devices which logical configuration represents.
VPN Connection between VGW and CGW

Dynamic VPN is cool, route propagation is useful works for both ST and DYN.


Making fully HA Infrastructure