Ethernet · RoCE · InfiniBand
AI Fabric Spine-Leaf 계산기
GPU 서버 연결을 검토 가능한 Leaf, Spine, Pod 및 미디어 계획으로 변환하고 물리 cage와 논리 breakout 포트를 구분합니다.
산정 결과
산정 방식
pooled 또는 rail 방식으로 엔드포인트를 배치하고 물리 cage 단위의 downlink/uplink 분할을 탐색한 뒤 oversubscription, Spine radix, 2-tier Pod 한도와 Spine 1대 장애를 확인합니다.
oversubscription = (D × endpoint rate) ÷ (U × uplink rate)
계획 범위
주문 가능한 BOM이 아닙니다. breakout, 광모듈, 거리, 펌웨어, 전력, 냉각 및 SKU는 공급업체 확인이 필요합니다.
플랫폼 근거
사양과 공급 상태는 연결된 공식 자료를 따르며 용량은 단방향 line rate로 통일합니다.
플랫폼 근거 (2026-07-26)
| Vendor / model | Protocol | Line rate | Status |
|---|---|---|---|
| Broadcom Tomahawk 5 BCM78900 | ethernet | 51.2 Tb/s | Silicon reference — select a shipping system for procurement |
| Broadcom Tomahawk 6 family | ethernet | 102.4 Tb/s | Silicon reference — system profiles vary |
| Juniper QFX5240-64OD | ethernet | 51.2 Tb/s | Current documented platform |
| Juniper QFX5250-64OE-L | ethernet | 102.4 Tb/s | Shipping; confirm exact orderability |
| Arista 7060X6-64PE | ethernet | 51.2 Tb/s | Current product |
| Arista 7060XE7-64PS | ethernet | 102.4 Tb/s | Planning reference — announced availability Q4 2026 |
| Arista 7800R4-AI | ethernet | 460.8 Tb/s | Catalog reference — modular chassis solver required |
| Cisco N9364E-SG2-O | ethernet | 51.2 Tb/s | Current documented platform |
| Cisco N9364E-SP2R | ethernet | 51.2 Tb/s | Current documented spine |
| Cisco N9164E-NS4-O | ethernet | 51.2 Tb/s | Planning reference — confirm SKU lifecycle and orderability |
| Ruijie RG-S6990-64OC2XS | ethernet | 51.2 Tb/s | Current product page |
| Ruijie RG-S6990-128QC2XS | ethernet | 51.2 Tb/s | Current product |
| NVIDIA SN5400 | ethernet | 25.6 Tb/s | Current documentation; confirm exact SKU/NOS lifecycle |
| NVIDIA SN5600 | ethernet | 51.2 Tb/s | Current documentation; confirm exact SKU/NOS lifecycle |
| NVIDIA SN5610 | ethernet | 51.2 Tb/s | Current documentation; confirm exact SKU/NOS lifecycle |
| NVIDIA SN3420 | ethernet | 4.8 Tb/s | Model disambiguation only |
| NVIDIA QM9700 | infiniband | 25.6 Tb/s | Mass Production |
| NVIDIA QM9790 | infiniband | 25.6 Tb/s | Mass Production |
| NVIDIA Q3400-RA | infiniband | 115.2 Tb/s | Planning reference — NVIDIA lifecycle P-Rel |
| NVIDIA Q3450-LD | infiniband | 115.2 Tb/s | Prototype planning reference |