Yang Feng has participated in the design and development of multiple optical network products, led the Go-To-Market (GTM) of OSN 902 — Huawei's first-generation DCI device — and has full understanding of WDM, OTN switching, and OXC all-optical switching. Recently, he has been focusing on Huawei's next generation optical transmission devices, including DCI devices, working to better adapt them to enterprise customers' application needs and improve solution competitiveness.