“…Taxonomy and the efficiency of the hybrid routing [10] , hybrid routing [11] ICA and RBF [16] RCA-HDRP [17], HYB-TGR [20], LB+HRP [47] Energy efficient, reliable, fault tolerant [10][11],robust and scalable, provides stable link against the high mobility [16], effective path selection [17] improved performance [20] Hierarchical Spatio-temporal with decision tree algorithm [6], assessment of hierarchical routing capabilities [5], cluster routing efficiency [9], cluster aided multipath routing [4] secure ZRP [15] BPA-CRP [22] P-SEP [27] Ensures secure transmission evaluating the trust nodes [6], details of the performance improvement achieved using the Hierarchical routing [5], details the taxonomy, merits and demerits of the clustering routing [9] secure and negligible overhead protection [15], causes balanced energy [22] The swarm intelligence algorithm [13], ICA and RBF NN [16] NSGAII-based OLSR [18] EBRP [28],Si+fuzzy [29],ACO-RP [30][33], cukoo+HAS [31], OLSR+GA [32] , DL based [39], [40], [41], optimization techniques [43][44][45] Energy aware, guaranteed performance, fault tolerant , scalable, optimal path selection [13], improved performance against the high mobility [16] automates the process of optimal path selection and improves the performance [18],...…”