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--- esib_iot_challenge [2017/05/17 16:01] – [3. Backend] samer
+++ esib_iot_challenge [2017/05/17 16:01] – [1. What is a LoRaWAN Platform?] samer
@@ Line 22: / Line 22: @@
   * Where does the IP layer start in the platform? Comment your answer considering the trends in IoT.
   * Illustrate the protocol stacks on the LoRaWAN platform.
+</WRAP>
+===== -. Backend =====
+The Loraserver has a web interface for configuring the applications and devices on the platform.
+[{{ :app-loraserver.png?direct&400 | Figure 5. Loraserver web interface}}]
+Start by choosing the application named ''NTRE-1617''. Then create a new node by providing the following information:
+  * A unique node name: ''NTRE-GX''
+  * The node description
+  * A unique device EUI on 64 bits: Random identifiers can be generated on [[https://www.random.org/bytes/]]
+  * The application EUI on 64 bits: ''0badde1cafe2deca''.
+  * A unique application key on 128 bits also obtained by random generation.
+  * In advanced network settings, choose the receive window RX2.
+Make sure that the ''ABP activation'' button is unchecked, in order to enable OTAA join method.
+<WRAP left help 100%>
+  * What does the application EUI mean? How is it used in LoRaWAN?
+  * What does the application key mean? How is it used in LoRaWAN security?
+  * Compare the two join methods used in LoRaWAN by giving the advantages and inconvenients.
+  * What is the difference between the two receive windows in LoRaWAN? What are they used for?
 </WRAP>
 ===== -. Devices =====