The Next Decade of Cloud Networking: Highlights from Alibaba Cloud Network Forum at Yunqi Conference 2019

The 2019 Yunqi Conference Cloud Network Forum brought together more than two hundred network professionals and enthusiasts, with live bilingual streaming worldwide.

Dennis Cai, Chief Network Architect of Alibaba Cloud Intelligent Infrastructure, presented "The Next Ten Years of Cloud Networking – Evolution of Cloud Data‑Center Network Architecture".

Cai reviewed Alibaba's data‑center network development over the past ten years, highlighting the impact of ultra‑large scale, SDN, and NFV, and projected future trends driven by AI, big data, and IoT, emphasizing higher bandwidth, programmable chips, white‑box hardware, open‑source OS ecosystems, intent‑driven configuration, and data‑driven intelligent operations.

Alibaba Data‑Center Network HAIL Architecture.

Cai explained the HAIL architecture’s core ideas: simplifying networks with single‑chip switches, multi‑plane scaling, flexible 25/50/100 Gbps configurations, tight software‑hardware integration, and intelligent operation through chip‑level data collection.

Looking ahead, he identified two major investment directions: high‑performance networking (efficient flow control, hardware offload, data‑centric design, large‑scale RDMA deployment) and data‑driven intelligent networking (self‑driving networks, precise flow control, optimized workload placement, and architecture guidance).

Pradeep Sindhu, Founder & CEO of Fungible, shared "Data‑Centric – The Future of IT Infrastructure".

Pradeep, former Juniper Networks CTO, described the mismatch between compute‑centric servers and data‑centric workloads, and advocated a DPU‑centered architecture to improve performance, power, and cost efficiency.

Alibaba Cloud senior experts Wang Chao and Wang Guohui presented "The Road to Autonomy – Controlling Data‑Center Network Hardware & Software Systems", detailing Alibaba’s self‑designed switches that break the traditional black‑box model, improve interoperability, and enable unified, automated operations via AliNOS.

Kang Daxiang and Wu Xin discussed "Intelligent Transformation – Smart Cloud Network Management", covering automated testing, gRPC‑based sub‑second monitoring, structured configuration, and big‑data‑driven intelligent network operations.

Wei Xionglie and Liu Hongqi presented "Alibaba’s High‑Performance Network Technology: Present and Future", describing challenges of achieving high bandwidth, low latency, and stability, and introducing Alibaba’s next‑generation high‑performance transmission protocol that tightly couples software and hardware.

Cao Jie and Cheng Gang shared "Building a Self‑Driving Cloud Network – Network Visualization" and introduced NetSeer, a next‑generation in‑band monitoring system that provides fine‑grained packet‑level visibility, detecting packet loss, rerouting, congestion, and supporting precise fault diagnosis.

Li Jianqiang and Chen Sai presented "Open Intelligent Data‑Center Optical Network", covering the evolution of electrical/optical devices, OpenConfig open interfaces, the role of software and data, and machine‑learning applications in optical networks.

The past decade marked rapid growth for Alibaba Cloud and a transformation of its data‑center network; looking forward, driven by big data and AI, the next ten years will bring profound technological change, with powerful computing and efficient interconnects becoming the core competitive advantage for Chinese tech companies.