Patent attributes
A method for providing secure remote access by a controller is described. The method includes sending one or more endpoint requests. The method also includes receiving authentication service endpoint information and connection service endpoint information. The method further includes requesting authentication based on the authentication service endpoint information. Requesting authentication includes requesting license validation. The method also includes sending one or more registration messages based on the connection service endpoint information. The method further includes receiving a session request. The method additionally includes determining controller candidate link information. The method also includes sending the controller candidate link information. The method further includes receiving an automation message based on the controller candidate link information.
