Publication 1734-UM011A-EN-P - February 2004
Preface 8
latency The time between initiating a request for data and the beginning of
the actual data transfer.
multicast In the CIP producer/consumer model one producer multicasts
(broadcasts) the data once to all the consumers.
producer The source of information in the CIP networking model. See CIP.
rack optimized A physical and logical collection of application modules.
subnet mask An extension of the IP address that allows a site to use a single net
ID for multiple networks.
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 The Transport Control Protocol is a more reliable but slower transport
protocol than UDP. It is used for explicit (not time critical) messaging
in EtherNet/IP.
TCP/IP The Transmission Control Protocol/Internet Protocol is a
transport-layer protocol (TCP) and a network-layer protocol (IP)
commonly used for communication within networks and across
internetworks.
transaction An exchange of request and data and response and data
.
UDP The User Datagram Protocol is a transport protocol that provides a
very simple but fast capability to send datagrams between two
devices. It is used for I/O (implicit) messaging in EtherNet/IP.
This term Means
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