Publication 1756-UM050A-EN-P - December 2001
Glossary 5
Switch
A network device that cross connects devices or network segments. A
switch provides each sender/receiver the full network bandwidth (2x
in full duplex mode), reduces collisions, and increases determinism.
TCP
Transport Control Protocol. More reliable but slower transport
protocol than UDP. Used for explicit (not time critical) messaging in
EtherNet/IP.
Transaction
An exchange of request and data and response and data
.
UDP
User Datagram Protocol. Transport protocol that provides a very
simple, but fast capability to send datagrams between two devices.
Used for I/O (implicit) messaging in EtherNet/IP.
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