Fig. 1. Legend of the two-layer networks model

Fig. 2. Used the SPR strategy, the relationship between ordered parameters and packet generation rate under the three coupling modes of AC, DC and RC: (a) BA-BA model; (b) ER-ER model; (c) SF-SF model; (d) BA-ER model; (e) BA-SF model; (f) ER-SF model

Fig. 3. Used the SPR strategy, the relationship between and control parameter under the three coupling modes of AC, DC and RC: (a) BA-BA model; (b) ER-ER model; (c) SF-SF model; (d) BA-ER model; (e) BA-SF model; (f) ER-SF model

Fig. 4. Used the DWR strategy, the relationship between ordered parameters and generation rate under the three coupling modes of AC, DC and RC: (a) BA-BA model; (b) ER-ER model; (c) SF-SF model; (d) BA-ER model; (e) BA-SF model; (f) ER-SF model

Fig. 5. Relationship between coupling correlation coefficient and

Fig. 6. Relationship between and control parameter under different network scales of DWR strategy: (a) RC Coupling; (b) DC Coupling; (c) AC Coupling

Fig. 7. Relationship between and control parameter under different network scales of DWR strategy: (a) AC Coupling; (b) DC Coupling; (c) RC Coupling

Fig. 8. Relationship between average information flow and under two routing strategies with different coupling: (a) SPR; (b) DWR

Fig. 9. Relationship between average transmission time and under two routing strategies with different coupling: (a) SPR; (b) DWR

Fig. 10. Relationship between network size N and under two routing strategies with different coupling: (a) SPR; (b) DWR

Fig. 11. Relationship between average path length and network size N under two routing strategies with different coupling: (a) SPR; (b) DWR