Last time I was able to build Azure <-> AWS and GCP <-> AWS use their VPN tunneling and a strongswan server on AWS. It's only AZure <-> AWS <-> GCP, Azure <->

Last time I was able to build Azure <-> AWS and GCP <-> AWS use their VPN tunneling and a strongswan server on AWS. It's only AZure <-> AWS <-> GCP, Azure <-> GCP I didn't try bcuz we just want to connect to central AWS node. I think IPSec with the "right" config is good enough. But the pain is managing the route tables :(.