EtherNet/IP is developed by rockwell automation in the 90s
Common industrial protocols (CIP) over TCP/IP.
Independently supported/promoted by OVDA
Open standard,open source OpEner software.
Transfer IO data through UDP.It is fast but delivery is not assured.(Implicit messaging)
File transfer via TCP.It is slow but delivery is assured.File transfer means uploading and downloading of parameters,setpoint, programs and recipes via TCP.