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以太网和InfiniBand外,第三种选择
半导体行业观察· 2025-06-24 01:24
Core Viewpoint - The article discusses the evolution of networking technologies, particularly focusing on Cornelis Networks' CN500 architecture, which enhances AI performance by coordinating up to 500,000 computers without increasing latency, outperforming existing technologies like InfiniBand and Ethernet in terms of message throughput and latency reduction [1][2][3]. Group 1: Networking Technology Evolution - Ethernet has long been synonymous with local area networks (LAN), but the rise of data centers necessitated new networking solutions to handle diverse systems and resource sharing [2]. - Cornelis Networks' Omni-Path architecture, developed for high-performance computing (HPC), maximizes throughput and eliminates packet loss, addressing the need for efficient data exchange in AI model training [3][4]. Group 2: Challenges in Data Coordination - Coordinating processors for AI model training requires high bandwidth and low latency, with congestion management being a significant challenge [4][5]. - Cornelis' dynamic adaptive routing algorithm mitigates congestion by rerouting traffic and employing credit-based flow control to prevent delays caused by insufficient memory at endpoints [5][6]. Group 3: Market Dynamics and Trends - The CN5000 product, built on custom chips, targets organizations looking to upgrade for AI or faster HPC simulations, with partnerships with original equipment manufacturers (OEMs) to facilitate sales [7]. - The Ethernet switch market is diversifying, with IDC reporting significant growth in data center Ethernet switch sales, driven by AI cluster needs, while non-data center markets also show growth [8][21]. Group 4: Competitive Landscape - Nvidia has surpassed Cisco and Arista in data center Ethernet sales, with a remarkable growth rate of 760.3% year-over-year, indicating its strong position in the market [17][23]. - Arista Networks remains a key player, with a 26.4% increase in sales, while Cisco's growth is more modest at 4.7% [23][22].