If i build Network topology in Mininet , consist of 2 device (one as mobile device , another as Mobile Edge Computing Server) , how can give these device characteristics (like CPU,RAM, Memory ) how can send information to Pox controller ?

what method used to send this information to Pox Controller?

in another controller (Rye , Floodlight ) used link of network topology in GUI and JSON, but in Pox controller , i don't what method must use ?