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{\fontsize{18pt}{12pt} \color{Black} \selectfont \textbf{REFERENCES}}\\
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$\left[ 1 \right]$ N. Kushalnagar, G. Montenegro, and C. Schumacher, IPv6 Over Low-Power Wireless Personal Area Networks (6LoWPANs): Overview, Assumptions, Problem Statement, and Goals, document RFC 4919, IETF, Fremont, CA, USA, 2007.
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\noindent $\left[ 2 \right]$ T. Winter, P. Thubert, A. Brandt, J. Hui, R. Kelsey, P. Levis, K. Pister, R. Struik, J. P. Vasseur, and R. Alexander, RPL: IPv6 Routing Protocol for Low-Power and Lossy Networks, document RFC 6550, IETF, Fremont, CA, USA, 2012.
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\noindent $\left[ 3 \right]$ JP. Vasseur, M. Kim, K. Pister, N. Dejean, and D. Barthel, Routing Metrics Used for Path Calculation in Low-Power and Lossy Networks, document RFC 6551, IETF, Fremont, CA, USA, 2012.
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\noindent $\left[ 4 \right]$ D. S. J. De Couto, D. Aguayo, J. Bicket, R. Morris, ‘‘A high-throughput path metric for multi-hop wireless routing,’’ in Proc. MobiCom, San Diego, CA, USA, Sep. 2003, pp. 134–146, doi: 10.1145/938985.939000.
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\noindent $\left[ 5 \right]$ P. Thubert, Objective Function Zero for the Routing Protocol for Low- Power and Lossy Networks (RPL), document RFC 6552, IETF, Fremont, CA, USA, 2012.
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\noindent $\left[ 6 \right]$ O. Gnawali and P. Levis, The Minimum Rank with Hysteresis Objective Function, document RFC 6719, IETF, Fremont, CA, USA, 2012.
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\noindent $\left[ 7 \right]$ P. Levis, T. Clausen, J. Hui, O. Gnawali, and J. Ko, The Trickle Algorithm, document RFC 6206, IETF, Fremont, CA, USA, 2011.
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\noindent $\left[ 8 \right]$ J. V. V. Sobral, J. J. P. C. Rodrigues, R. A. L. Rabêlo, J. Al-Muhtadi, and V. Korotaev, ‘‘Routing protocols for low power and lossy networks in Internet of Things applications,’’ Sensors, vol. 19, no. 9, p. 2144, May 2019, doi: 10.3390/s19092144.
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\noindent $\left[ 9 \right]$ C. Lim, ‘‘A survey on congestion control for RPL-based wireless sensor networks,’’ Sensors, vol. 19, no. 11, p. 2567, Jun. 2019, doi: 10.3390/s19112567.
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\noindent $\left[ 10 \right]$ H. Lamaazi and N. Benamar, ‘‘A comprehensive survey on enhancements and limitations of the RPL protocol: A focus on the objective function,’’ Ad Hoc Netw., vol. 96, Jan. 2020, Art. no. 102001, doi: 10.1016/j.adhoc.2019.102001.
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