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Standards for M2M and the Internet of Things

TR-0045 Architecture

This section describes the architecture of this use case with components represented by the oneM2M entity roles.

In the oneM2M, two basic types of entities are defined. One is an Application Entity (AE) and the other is a Common Services Entity (CSE). As shown in figure below, the previous use case is modelled using oneM2M entities:

  • Each sensor and the smartphone hosts an AE. The AE resides in the Application Dedicated Node is called ADN-AE.

  • The server hosts an Infrastructure Node CSE (IN-CSE).

oneM2M functional architecture of semantic annotation and discovery use case

 

The oneM2M defined Mca reference point is used to interface an AE and CSE. Therefore, in this use case:

  • The reference point used between temperature sensor AEs and the IN-CSE or Smartphone AEs and IN-CSE is Mca.

In summary, applications used in the current use case are classified as follows:

  • ADN-AE-1: an application embedded in Sensor#1 with capabilities to monitor Sensor#1 and interact with the IN-CSE through the Mca reference point.

  • ADN-AE-2: an application embedded in Sensor#2 with capabilities to monitor Sensor#2 and interact with the IN-CSE through Mca reference point.

  • ADN-AE-3: an application embedded in Sensor#3 with capabilities to monitor Sensor#3 and interact with the IN-CSE through Mca reference point.

  • ADN-AE-4: an application embedded in Sensor#4 with capabilities to monitor Sensor#4 and interact with the IN-CSE through Mca reference point.

  • ADN-AE-5: a smartphone application embedded in the smartphone device with capabilities to interact directly with the oneM2M service platform IN-CSE through Mca reference point to discover and retrieve information related to Sensor#1, Sensor#2, Sensor#3 and Sensor#4.

  • ADN-AE-6: a smartphone application embedded in the smartphone device with capabilities to interact directly with the oneM2M service platform IN-CSE through Mca reference point to manage and semantically annotate resources related to Sensor#1, Sensor#2, Sensor#3 and Sensor#4.

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