Sensors 2014, 14(6), 9833-9877; doi:10.3390/s140609833
Article

Flexible Unicast-Based Group Communication for CoAP-Enabled Devices

1,2,* email, 1email, 1email, 1email, 1email and 1email
Received: 15 April 2014; in revised form: 28 May 2014 / Accepted: 29 May 2014 / Published: 4 June 2014
(This article belongs to the Special Issue Wireless Sensor Networks and the Internet of Things)
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract: Smart 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.
Keywords: Internet of Things; CoAP; sensors; wireless sensor networks; group communication; entities
PDF Full-text Download PDF Full-Text [2067 KB, uploaded 21 June 2014 14:32 CEST]

Export to BibTeX |
EndNote


MDPI and ACS Style

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.

AMA Style

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.

Sensors EISSN 1424-8220 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert