Real-Time Publish-Subscribe (RTPS) Protocol
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The Real-Time Publish Subscribe (RTPS) protocol is the interoperability protocol used to allow multi-vendor Data Distribution Service (DDS)[1] implementations to communicate.
The Real-Time Publish-Subscribe (RTPS) protocol is designed for use with Internet Protocol (IP) one-to-many Multicast and connectionless best-effort transports such as IP User Datagram Protocol (UDP).[2]
The main features of the RTPS protocol include:[3]
- Performance and Quality-of-Service (QoS) properties enabling best-effort and reliable publish-subscribe communications for real-time applications using standard IP networks.
- Fault tolerance allowing the creation of networks without single points of failure.
- Extensibility allowing backward compatibility and interoperability through extensions of the protocol and enhancement with new services.
- Plug-and-play connectivity for new applications and services allowing automatic, configuration-less discovery by applications joining and leaving the network at any time.
- Configurability allowing balancing the requirements of reliability and timeliness for each data delivery transaction.
- Modularity allowing simple devices to implement a subset of the protocol and still participate in the publish-subscribe network.
- Scalability enabling systems to scale to very large publish-subscribe networks.
- Type-safety preventing application programming errors compromising the operation of remote nodes in the publish-subscribe network.
OMG Data Distribution Service Interoperability Specification History
Object Management Group (OMG) published the following versions of specification
- The Real-time Publish-Subscribe Wire Protocol DDS Interoperability Wire Protocol Specification, V2.2 - Latest version, (September, 2014)[3]
- The Real-time Publish-Subscribe Wire Protocol DDS Interoperability Wire Protocol Specification, V2.1 (January, 2009)[4]
- The Real-time Publish-Subscribe Wire Protocol DDS Interoperability Wire Protocol Specification, V2.0 (June, 2007)[5]
- The Real-time Publish-Subscribe Wire Protocol DDS Interoperability Wire Protocol Specification, V1.2 (June, 2006)
References
- ↑ Data Distribution Service (DDS), Version 1.2, January 2007, http://www.omg.org/spec/DDS/1.2
- ↑ Real-Time Publish-Subscribe (RTPS) Wire Protocol Specification, Version 1.0, IEC PAS 62030, November 2004
- ↑ 3.0 3.1 The Real-time Publish-Subscribe Wire Protocol DDS Interoperability Wire Protocol Specification, Version 2.2, January 2014, OMG:formal/2014-09-01, http://www.omg.org/spec/DDSI-RTPS/2.2/
- ↑ The Real-time Publish-Subscribe Wire Protocol DDS Interoperability Wire Protocol Specification, Version 2.1, January 2009, OMG:formal/2009-01-05, http://www.omg.org/spec/DDSI/2.1
- ↑ The Real-time Publish-Subscribe Wire Protocol DDS Interoperability Wire Protocol, Version 2.0, April 2008, formal/08-04-09 http://www.omg.org/spec/DDSI/2.0/PDF/
