VR2R-0652_r1

VR2R-0652

① SA Source

• Source: 開啟完整 SA 文章
• Section: Ethernet-Based Cluster Deployments
• Line hint: 562

Context Before

In fact, the SN6800 switch box consists of four ASICs, which is similar to the X800-Q3400 switch box.

Evidence

As the per GPU bandwidth continues to scale to 3.2T, it is not hard to imagine a 4-plane network using SN6800 switches, where each 3.2T GPU is split four ways to connect to four different switch boxes at 800G per link.

Context After

There are strong parallels between the X800-Q3400 switch and a CPO switch in that both facilitate high-radix, multi-plane networking architectures while encasing within the box complex cabling that saves customers on the hassle of cable management.

② Atomic Claim

隨著每顆 GPU bandwidth 提升到 3.2T，可以設想使用 SN6800 switches 的 4-plane network：每顆 3.2T GPU 分成 4 路，以每條 800G link 連到 4 個不同 switch boxes。

• Epistemic Mode: ASSERTED
• Mapping Status: PARTIAL

③ Semantic Frame

{
  "frame_type": "NARY_RELATION",
  "participants": [
    {
      "node": {
        "id": "04_knowledge_base/GPU",
        "label": "GPU"
      },
      "role": "processor"
    },
    {
      "node": {
        "id": "04_knowledge_base/SN6800",
        "label": "SN6800"
      },
      "role": "switch_platform"
    }
  ],
  "qualifiers": {
    "condition_text": "forward-looking topology scenario; switch planes and boxes are plain text",
    "numeric_mentions": [
      "3.2T",
      "4",
      "800G"
    ],
    "temporal_mentions": []
  },
  "relation_type": "SN6800_FOUR_PLANE_GPU_FANOUT_SCENARIO"
}

④ Canonical Entity Mapping

Role	Surface Label	Canonical Target
processor	GPU	GPU
switch_platform	SN6800	SN6800

⑤ Human Review

請在 Properties 逐項確認：

• 原文 → Atomic Claim 是否忠實
• Atomic Claim → Semantic Frame 是否忠實
• Canonical Entity mapping 是否正確
• Epistemic mode 是否保留原文語氣
• 最後選擇 review_action

Review state

Markdown 內文不是正式 approval。只有 Apply bridge 寫入的 Decision Ledger event 才是正式決策。