1.will be using   deattached  VGW  that acting as hub with direct connect and propagate route to transit gateway and overlay it with high encryption performance with on premise through Equinix co-location for HA and resiliency?

2.similar step with azure route server to inject route to transit gateway and overlay it with high encryption performance with on premise through Equinix co-location for HA and resiliency?

following lab design  attachment.