Internet of Things Architecture

Services can publish information to the broker regardless how many clients are interested in this information; if no client has ...

User gets information from Virtual Entity-level service Virtual Entity-level service provides access to Virtual Entity informati ...

Figure 53 : Information flow from Sensor Device to IoT Service using the Push-pattern. Figure 54 : Information flow from Sensor ...

Sensor-information storage Figure 55 shows the special case of using an information storage device which stores additional, e.g. ...

Figure 56 : Insert, update, and delete Service Description. The IoT Service Resolution component offers three methods to find Io ...

Figure 57 : Request lookup, discover, and resolve IoT Services. Figure 57 shows the different methods in a Request/Response mann ...

VE Resolution Associations between Virtual Entities and IoT Services are inserted into VE Resolution by IoT Services, the Servic ...

Figure 60 : Request lookup and discover Associations The VE Resolution component provides a information flow while applying the ...

a storage resource may be permanently stored there or have an expiry date after which the information is to be removed. For this ...

Figure 62 : Domain Model elements grouped according to their common deployment aspects. Since a complete analysis of all the tec ...

further detail the interaction among the many elements composing the target application; The Functional Model is used as a refe ...

As a consequence of the coexistence of different communication technologies in the same system, the second choice the system des ...

1) IoT protocol suite: This is the main direction supported by this project and providing the best solution for interoperability ...

request, the response might take longer time to be delivered and, in the worst case scenario, it may get lost; Web only: No loc ...

 Alarm: the application needs to provide users with means to configure alarms to be triggered when a given condition is verifie ...

that the local service is also maintaining an information database of the data gathered in the house; database, which is only ac ...

o Pros: moderate costs, easy gateway implementation, easy and cheap installation, higher data rate is possible. o Cons: shorter ...

4.3 Perspectives Architectural decisions often address concerns that are common to more than one view, or even all of them. Thes ...

Applicability The Applicability of the perspective, e. g. the types of systems to which the perspective is applicable Activities ...

UNI.701, UNI.712, UNI.720 Applicability Important for all systems to some extent; more important for longer- lived and more wide ...