3.2 Abbreviated terms

• AMQP Advanced Message Queuing Protocol

• AS Authorization Service

• CTL Certificate Trust List

• DSCP Differentiated Services Code Point

• DTLS Datagram Transport Layer Security

• HMI Human Machine Interface

• IGMP Internet Group Management Protocol

• MIME Multipurpose Internet Mail Extensions

• MLD Multicast Listener Discovery

• MQTT MQ Telemetry Transport

• MTU Maximum Transmission Unit

• PCP Priority Code Point

• QoS Quality of Service

• SKS Security Key Service

• TSN Time Sensitive Networking

• UA Unified Architecture

• UADP UA Datagram Protocol

• UDP User Datagram Protocol

• URI Uniform Resource Identifier

• URL Uniform Resource Locator

• VID VLAN Identifier