I believe the relevant GCP product is "Dedicated Interconnect" and for Azure it's "ExpressRoute Direct" but don't quote me on that; I only know AWS. In my examp

I believe the relevant GCP product is "Dedicated Interconnect" and for Azure it's "ExpressRoute Direct" but don't quote me on that; I only know AWS. In my example you can swap out the Internet port for one of those cloud interconnects and go straight from AWS to your new cloud. That's certainly what that provider was doing. I bet there's lots of good money in facilitating those migrations using this relatively simple technique.