Summary of Conference Call Records Industry Overview - The conference call discusses the impact of NVIDIA's NVLink Fusion technology on the domestic AI chip industry in China, highlighting the competitive landscape and technological advancements in high-speed interconnect protocols [1][2][3]. Key Points and Arguments 1. **NVIDIA's NVLink Technology** - NVLink is the only commercially mature high-speed interconnect protocol, with significant technological barriers due to its proprietary switch chips and hardware-software synergy, outperforming AMD's ULINK and Broadcom's solutions [1]. 2. **Domestic Super Node Development** - By 2025, domestic super nodes are limited by the absence of dedicated switch chips, primarily relying on PCIe switch solutions, which have limitations such as short transmission distances and high signal attenuation [1][4]. 3. **2026 as a Turning Point** - The year 2026 is expected to mark a turning point for domestic super nodes, driven by the communication demands of the Mixture of Experts (MoE) architecture, leading to increased deployment of domestic solutions [1][5]. 4. **AI Chip Iteration in 2026** - 2026 will see significant iterations in domestic AI chips, with new products from Huawei (920B/C), Cambricon (MLU690), and Haiguang (Deep Computing No. 4) expected to drive the need for more advanced interconnect solutions beyond PCIe [1][6]. 5. **NVIDIA's Open NVLink C-to-C Solution** - NVIDIA's introduction of the NVLink C-to-C solution allows third-party chips to connect to its platform, which is expected to positively influence the development of domestic AI chips, with several manufacturers already integrating this technology [2][6]. 6. **Challenges in Domestic Solutions** - Domestic super node solutions face challenges in hardware maturity and the lack of dedicated switch chips, resulting in performance gaps compared to NVIDIA's NVLink [4][5]. 7. **Demand Drivers for 2026** - The demand for domestic super nodes will be driven by the increasing need for high bandwidth in AI computations, particularly as MoE models become more prevalent, necessitating robust interconnect solutions [5][6]. 8. **Positive Factors for Domestic AI Chip Industry** - The domestic AI chip industry in 2026 will benefit from multiple positive factors, including the launch of new high-performance chips, the adaptation of domestic models to deep reasoning tasks, and the opening of NVIDIA's interconnect solutions to domestic manufacturers [7]. Other Important Content - The conference highlights the engineering challenges faced by domestic manufacturers in integrating high-speed interconnects and optimizing their systems, emphasizing the importance of collaboration with established technologies like NVLink [6][7].