​OPC Unified Architecture​

​IoT versus SCADA/DCS Data Acquisition Patterns​

​OPC UA Makes Complex Data Processing Possible​

​OPC Unified Architecture – Main Technological Features​

​OPC UA Makes Smart User Interface Possible​

​OPC UA Information Model Deployment​

​RFC 768: User Datagram ProtocolJ, August 1980​

​RFC 791: INTERNET PROTOCOL, September 1981​

​RFC 2616: Hypertext Transfer Protocol -- HTTP/1.1​

​RFC 8259: The JavaScript Object Notation (JSON) Data Interchange Format​

​IANA (Internet Assigned Numbers Authority), Hypertext Transfer Protocol (HTTP) Parameters.​

​OPC Unified Architecture Specification Part 14: PubSub Release 1.04 February 06, 2018​

​OPC Unified Architecture Specification Part 7: Profiles Release 1.04​

​OASIS MQTT Version 3.1.1 specification​

​amqp-core-overview-v1.0 OASIS Advanced Message Queuing Protocol (AMQP) Version 1.0​

​OOI.Networking.UDPMessageHandler​

​OOI.Networking.ReferenceApplication​

​UAOOI Releases Page​

​ISO/IEC 19464:2014: Advanced Message Queuing Protocol (AMQP) v1.0​

​ISO/IEC 20922:2016: Message Queuing Telemetry Transport (MQTT) v3.1.1​