SolarWinds Scalability - AWS Direct Connect


We are designing with a client a new project to bring scalability to their environment.
The question is, is it possible in a hybrid cloud deployment, containing the main polling engine on premises and the additional polling engine in the AWS cloud, instead of using a VPN tunnel to provide communication between the engines (as the SolarWinds documentation describes in:, the customer would like to use the AWS Direct Connect they already have with the AWS cloud to provide this communication between the polling engines. It is possible?