The glossary includes definitions for terms which are commonly used here, and that are part of the DDS and RTI lexicon.

Represents a global data space. It is a logical scope (or "address space") for Topic and Type definitions. Each Domain is uniquely identified by an integer domain ID . Domains are completely independent from each other. For two DDS applications to communicate with each other they must join the same
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A DomainParticipant is the DDS Entity used by an application to join a DDS Domain . It is the first DDS Entity created by an application and serves as a factory for other DDS Entities . A DomainParticipant can join a single DDS Domain . If an application wants to join multiple DDS domains, then it
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Entity is a general term for a DomainParticipant, Publisher, Subscriber, DataWriter, DataReader or Topic. Entity is an interface defined in the OMG DDS specification, with the following characteristics: Configured using a QosPolicy Accepting a Listener Accepting a StatusCondition This is the base
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An instance is a unique element within a Topic, described by unique values of key fields . Instances represent individual real-world objects within a single data stream. For example, you can represent individual radar tracks within a single "TrackData" topic, or individual components of a wind
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IoT (Internet of Things) ... we are working on producing content for this glossary entry, but wanted to provide you with some relevant links in the meantime. Stay tuned for what's to come! Additional Information on this Topic from RTI RTI - The Internet of Things ( ) A Day in Your Life
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Interoperability is the ability of systems, units, or forces to provide services to and accept services from other systems, units, or forces, and to use those services so exchanged to enable them to operate effectively together. See also: Interoperation (systems) Additional Information on this
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Interoperation is the setup of components (e.g. applications, hardware, systems, etc.) and methods such that the components combine and work together as one system. Interoperating Systems. If systems are interoperating, they are working together as a coordinated and functioning whole.
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