This article analyzes how the traditional OSI/TCP‑IP model is giving way to RDMA in high‑performance computing, compares Ethernet, InfiniBand and RoCE, evaluates leaf‑spine versus three‑tier data‑center designs, and examines NVIDIA SuperPOD architectures with detailed technical metrics.
This article examines the evolution from the OSI and TCP/IP models to RDMA‑based technologies, compares traditional three‑tier and leaf‑spine architectures, analyzes NVIDIA SuperPOD designs, and evaluates Ethernet, InfiniBand, and RoCE switches to guide high‑throughput, low‑latency data‑center networking decisions.
This article examines the evolution of network protocols from the OSI seven‑layer model and TCP/IP to RDMA technologies such as InfiniBand and RoCE, compares traditional three‑tier and leaf‑spine data‑center designs, and evaluates Ethernet, InfiniBand, and RoCE switches for high‑throughput, low‑latency HPC environments.
This article provides a comprehensive overview of Ethernet switches, covering their definition, multiple classification dimensions, typical deployment scenarios in campus, enterprise, and data‑center environments, component composition, the shift from black‑box to white‑box solutions, and the key market drivers and challenges shaping the industry.
This article provides a comprehensive overview of network switches, covering global market trends, definitions, OSI‑based classifications, hardware components, various switching architectures such as CLOS and leaf‑spine, performance metrics, differences from hubs and routers, industrial switch requirements, and the overall industry chain.
This article explains how AI and high‑performance computing drive the evolution of network protocols and data‑center switch designs, covering OSI basics, TCP/IP limitations, RDMA technologies, leaf‑spine topologies, Nvidia Spectrum platforms, and current market trends.
The article explains the leaf‑spine network architecture introduced by Facebook, details its three layers (cabinet, Leaf, Spine), quantifies the required servers, switches and optical modules per cabinet, and analyzes the associated CAPEX for ultra‑large cloud data centers.
The article outlines Qunar's data‑center network evolution, describing the limitations of traditional STP‑based designs, the adoption of vPC for active‑active redundancy, the transition to leaf‑spine topology for scalability, and the implementation of VXLAN to support large‑scale multi‑tenant cloud environments.
