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. 2017 May 4;17(5):1031. doi: 10.3390/s17051031

Figure 3.

Figure 3

Topology based on virtual overlay [87] (Republished with permission of IEEE, from SDN-Based Application Framework for Wireless Sensor and Actor Networks, Zhou, J.; Jiang, H.; Wu, J.; Wu, L.; Zhu, C.; Li, W., 4, 1583–1594, 2017 Copyright).