Internet of Things – Architecture © 16
Figure 23: Schematic diagram of a general communication system. ................... - 93 -
Figure 24: Channel model for the current Internet. ............................................... - 94 -
Figure 25: IoT channel for a single constrained network. ..................................... - 94 -
Figure 26: IoT channel for communication over two constrained networks. ......... - 94 -
Figure 27: IoT channel for communication constrained to unconstrained networks. ... -
95 -
Figure 28: IoT channel for communication over two constrained networks
intermediated by the Internet. ............................................................................... - 95 -
Figure 29: NTC, NTU and CDSecFeat. ................................................................ - 99 -
Figure 30: Example of an identity Pool ............................................................... - 103 -
Figure 31: Functional view process. ................................................................... - 113 -
Figure 32: Functional-decomposition viewpoint of the IoT Reference Architecture.. .. -
115 -
Figure 33: IoT Process Management FG ........................................................... - 117 -
Figure 34: Service Organisation FG ................................................................... - 118 -
Figure 35: Virtual Entity FG ................................................................................ - 120 -
Figure 36: IoT Service FG .................................................................................. - 122 -
Figure 37: Communication FG ........................................................................... - 124 -
Figure 38: Security FG ....................................................................................... - 126 -
Figure 39: Management ..................................................................................... - 130 -
Figure 40: ―Red Thread‖ example ...................................................................... - 133 -
Figure 41: Example for flat entityType model. .................................................... - 135 -
Figure 42: Example for hierarchical entityType model. ...................................... - 135 -
Figure 43: Information flow based on the ―Read Thread‖. .................................. - 137 -
Figure 44: Push-pattern. ..................................................................................... - 138 -
Figure 45: Request/Response-pattern for one client. ......................................... - 138 -
Figure 46: Request/Response-pattern for clients. .............................................. - 139 -
Figure 47: Subscribe/Notify-pattern for one client. ............................................. - 139 -