Flexible Unicast-Based Group Communication for CoAP-Enabled Devices†
AbstractSmart embedded objects will become an important part of what is called the Internet of Things. Applications often require concurrent interactions with several of these objects and their resources. Existing solutions have several limitations in terms of reliability, flexibility and manageability of such groups of objects. To overcome these limitations we propose an intermediately level of intelligence to easily manipulate a group of resources across multiple smart objects, building upon the Constrained Application Protocol (CoAP). We describe the design of our solution to create and manipulate a group of CoAP resources using a single client request. Furthermore we introduce the concept of profiles for the created groups. The use of profiles allows the client to specify in more detail how the group should behave. We have implemented our solution and demonstrate that it covers the complete group life-cycle, i.e., creation, validation, flexible usage and deletion. Finally, we quantitatively analyze the performance of our solution and compare it against multicast-based CoAP group communication. The results show that our solution improves reliability and flexibility with a trade-off in increased communication overhead. View Full-Text
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Ishaq, I.; Hoebeke, J.; Van den Abeele, F.; Rossey, J.; Moerman, I.; Demeester, P. Flexible Unicast-Based Group Communication for CoAP-Enabled Devices. Sensors 2014, 14, 9833-9877.
Ishaq I, Hoebeke J, Van den Abeele F, Rossey J, Moerman I, Demeester P. Flexible Unicast-Based Group Communication for CoAP-Enabled Devices. Sensors. 2014; 14(6):9833-9877.Chicago/Turabian Style
Ishaq, Isam; Hoebeke, Jeroen; Van den Abeele, Floris; Rossey, Jen; Moerman, Ingrid; Demeester, Piet. 2014. "Flexible Unicast-Based Group Communication for CoAP-Enabled Devices." Sensors 14, no. 6: 9833-9877.