Fig. 1. Helios network architecture^[11]

Fig. 2. C-Through network architecture^[12]

Fig. 3. Mordia network architecture^[13]

Fig. 4. RotorNet interconnect architecture^[14]

Fig. 5. ProjecToR interconnect architecture^[15]

Fig. 6. FireFly optical interconnect architecture^[18-19]

Fig. 7. FSO switching architecture based on intelligent metasurface^[20]

Fig. 8. Four node Sirius interconnect architecture^[21]

Fig. 9. Proteus optical interconnect architecture^[22]

Fig. 10. OSA optical interconnect architecture^[23]

Fig. 11. Lotus interconnect architecture^[24]

Fig. 12. ReSAW topology diagram^[16-17]

Fig. 13. Spanke topology diagram^[26]

Fig. 14. The overall architecture of Google OCS

Fig. 15. Products of OCS from Polatis, Coherent and Accelink

Fig. 16. GPU switch target architecture from NVIDIA

Fig. 17. Schematic diagram of switch card, GPU rack and switch rack