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    <lastBuildDate>Fri, 08 May 2026 00:00:00 GMT</lastBuildDate>
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      <title>BlueField-3 架構拆解：把網卡變成 SoC 的三條路徑</title>
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      <pubDate>Fri, 08 May 2026 00:00:00 GMT</pubDate>
      <description>NVIDIA BlueField-3 不是一張更快的 NIC，而是把控制平面、儲存與安全 offload 整成一顆 SoC。本文拆解它的資料流、PCIe 拓樸與軟體堆疊取捨。</description>
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      <category>Feature Comparison</category>
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      <category>DPU</category>
      <category>PCIe</category>
      <category>DOCA</category>
      <category>RoCE</category>
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      <title>阿里平頭哥 Panmai 920：400G SmartNIC 把 PCIe switch 放進網卡</title>
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      <pubDate>Wed, 29 Apr 2026 00:00:00 GMT</pubDate>
      <description>平頭哥在 2026 年 4 月底發表 Panmai 920，主打 400G SmartNIC、內建 PCIe switch、多路徑 RDMA 與可程式化擁塞控制。這則情報的重點不是單張卡規格，而是中國雲廠把 AI 叢集網路瓶頸納入自研 silicon loop。</description>
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      <category>Product Launch</category>
      <category>Panmai 920</category>
      <category>400G</category>
      <category>RDMA</category>
      <category>PCIe switch</category>
      <category>Alibaba Cloud</category>
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      <title>CXL 記憶體池化：從規格到實際部署還缺什麼？</title>
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      <pubDate>Wed, 22 Apr 2026 00:00:00 GMT</pubDate>
      <description>CXL 2.0/3.0 把『主機之間共享/池化記憶體』寫進規格已經三年了。但實際生產部署案例極少，本文回頭檢查瓶頸卡在哪。</description>
      <category>Research</category>
      <category>Paper/Spec Notes</category>
      <category>CXL</category>
      <category>DPU</category>
      <category>PCIe</category>
      <category>NVMe-oF</category>
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      <title>NVIDIA BlueField-4 STX：DPU 從網路 offload 走向 AI context memory</title>
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      <pubDate>Mon, 16 Mar 2026 00:00:00 GMT</pubDate>
      <description>NVIDIA 在 GTC 2026 發表 BlueField-4 STX 儲存參考架構，將 BlueField-4、ConnectX-9、Spectrum-X、DOCA 與 CMX context memory 放在同一套 AI storage path。這對 SmartNIC/DPU 市場的意義，是 DPU 不再只被當作網路或安全 offload 卡，而開始被包進 rack-scale AI 資料路徑。</description>
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      <category>Product Launch</category>
      <category>BlueField-4 STX</category>
      <category>context memory</category>
      <category>ConnectX-9</category>
      <category>Spectrum-X</category>
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