EMERGING TRENDS IN COMPUTING
INTERNET OF THINGS IOT
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
Data Distribution Standard
|
|
|
Data Distribution Service
|
|
|
Data distributed Service
|
|
|
None of the above
|
Detailed explanation-1: -As the name implies, data-centric middleware focuses on sharing data and system state information, not on use-case or component-specific message sets. Moreover, the middleware is “aware” of the data being shared between applications in a distributed system.
Detailed explanation-2: -DDS: An Open Standard for Real-Time Applications The Object Management Group Data Distribution Service is a middleware protocol and API standard that provides data connectivity, extreme reliability and a scalable architecture to meet real-time system requirements.
Detailed explanation-3: -So the data-centric principle emphasises the decoupling of data and application at all scales. Clients tend to exchange information indirectly through the federated data. There is no need for client applications to directly communicate with each other. Otherwise, the system isn’t adhering to the data-centric principle.