PDF 原檔：報告_OCP2026_Broadcom_CPO與OCI_20261015_original.pdf
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| 檔名 | 頁 | 分類 | 親眼所見內容 |
|---|---|---|---|
報告_OCP2026_Broadcom_CPO與OCI_20261015_p3.png |
p3 | 真資料圖 | 光互連四條路線示意圖：FRO/LRO/LPO、NPO、CPO、OCI 的 ASIC 與光引擎相對位置與 SerDes／D2D 路徑，標示 CPO「可靠度比可插拔高 10 倍」、OCI「延遲功耗成本最低、可靠度比肩銅」 |
報告_OCP2026_Broadcom_CPO與OCI_20261015_p4.png |
p4 | 真資料圖 | Broadcom CPO 世代時間軸：2022 TH4 Humboldt 25.6T、2024 TH5 Bailly 51.2T 100G/lane、2026 TH6 Davisson 102.4T 200G/lane、2028 第四代 CPO；標註超過 1M 裝置小時 0 次 link flap |
報告_OCP2026_Broadcom_CPO與OCI_20261015_p10.png |
p10 | 真資料圖 | TH6-Davisson CPO 夥伴生態圖：FAU 為 Corning、Twinstar；ELSFP 為 Eoptolink、O-Net、TFC、FIT、Source Photonics、Aperion、Ligent；製造 TSMC、SPIL；CPO 機櫃單元為 Celestica、nexthop.ai、Micas、HPE、Supermicro、Jabil、Delta、QCT |
報告_OCP2026_Broadcom_CPO與OCI_20261015_p12.png |
p12 | 真資料圖 | OCI-MSA Gen1 規格圖：三種 OE 與 ELS 位置的實作選項 (a)(b)(c)，雙向鏈路 Group A／B 波長，每方向每光纖 4 波長，Tx group A／B 圖上兩組均標 1311 nm（CWDM 格點上的 DWDM 通道）；另有 Type A／B 雙向波長實作示意 |
報告_OCP2026_Broadcom_CPO與OCI_20261015_p13.png |
p13 | 真資料圖 | 200G 全鏈路功耗與傳輸距離表：DAC 7 pJ/bit 2m、整合 OCI 7 pJ/bit 500m、DR LRO 前面板可插拔 23 pJ/bit 500m |
報告_OCP2026_Broadcom_CPO與OCI_20261015_p14.png |
p14 | 真資料圖 | 1024 XPU scale-up 叢集表：GPU 25.6 Tbps/XPU、每機櫃 64、16 櫃、每台 128 條雙向光纖、每櫃 8,192 條；交換器 204.8 Tbps、每櫃 32、4 櫃、每台 1024 條、每櫃 32,768 條 |
原始內容
p1
Rajiv Pancholy Director Hyperscale Strategy & Products, Broadcom CPO, OCI OCP SPECIAL FOCUS: PHOTONICS
p2
AI Scale-up, Scale-out and Scale-across Networking Scale-up In Rack Scale-out Across Racks Datacenter1 Datacenter2 Across Racks … Spine Leaf … … … Spine Leaf … … Across Data Centers Scale-out Scale-across
p3
Optical Interconnect Technology Options NPO OE CPO NPO FRO/LRO/ LPO IL IL OE IL Faceplate density & thermal Improvements 10x reliability improvement vs. pluggables Pluggable OE OCI SerDes ASIC/XPU SerDes ASIC/XPU SerDes ASIC/XPU Lowest latency, power and cost -at par with copper reliability Pluggable flexibility but limited reach, power/performance IL IL IL OCI ASIC/XPU D2D
p4
Leading the Future of Co-Packaged Optics Next Gen 2028 4th Generation CPO 102.4T 2026 TH6 Davisson 200G/lane 51.2T 2024 TH5 Bailly 100G/lane 25.6T 2022 TH4 Humboldt 100G/lane 4th Generation CPO in development
1M device hours with 0 link flaps Open and Scalable Mature Partner Ecosystem
p5
CPO: MTBF Advantage for AI Networks Training Job Cluster 1 Cluster N START Training Job Training Job Training Job Cluster 2 Cluster 3 Scale-Out Switches Cluster 1 Cluster 3 Cluster 2 Cluster N Link Flap Link Flap Checkpoints … Scale-Out with Pluggable Optics Training Hrs Lost -$$$$
p6
CPO: MTBF Advantage for AI Networks Training Job Cluster 1 Cluster N START Training Job Training Job Training Job Cluster 2 Cluster 3 Scale-Out Switches Cluster 1 Cluster 3 Cluster 2 Cluster N Link Flap Cluster 1 Cluster N Cluster 2 Cluster 3 Checkpoints … … Training Job Training Job Training Job Training Job 90% Efficiency Improvement Scale-Out with Pluggable Optics Scale-Out with CPO Training Hrs Lost -$$$$
p7
Challenges to Overcome for CPO & OCI at Scale Advanced Packaging • High-density and high-quality PIC to EIC attach required • Must optimize signal integrity • Enablement for 400G direct drive Optical Connectivity • More than 1k fibers connecting to each chip package • Detachable fiber connectivity to enable package reflow Volume Manufacturing • Must deliver industry leading yield and reliability through automation • Enable system partners with automated assembly and test Auto dispenser with loader and unloader Detachable fiber connector EIC PIC EIC to PIC attach with COUPE
p8
CPO Support Frame Attach Automation Example
p9
Broadcom CPO Backend MFG Automation Line Support Frame Attach (Automation Example)
p10
TH6-Davisson CPO Partner Ecosystem ELSFP FAU TH6-Davisson CPO Rack Unit
p11
OCI-MSA Future AI infrastructure built on open standards. Architecture that delivers the efficiency required to scale AI infrastructure. Optical Scale-Up Founding Members Industry alignment around an optical scale-up. OCI-MSA GEN1 Specification www.oci-msa.org Est. March 12, 2026 Working to enable a broader industry participation structure while maintaining pace of innovation.
p12
OCI-MSA GEN1 Specification Diagrams OCI-MSA implementation options Bi-Di Group A and B Wavelength Implementation DWDM channels on CWDM grid for a Bi-Di link OCI-MSA GEN1 Specification www.oci-msa.org
p13
Total Link Power and Reach Comparison – 200G OCI – the reach of Front Panel Pluggable, the power of Copper
p14
Building a 1024 XPU Scale-Up Cluster Inside GPU 1 2 Fiber Shuffle 3 Patch Panel 4 Fiber Jumpers 5 Inside Switch Optical Network Components 1 Scale-up Scale-up 2 Scale-up Scale-up 3 Scale-up Scale-up 4 Scale-up Scale-up 5 Scale-up Scale-up 6 Scale-up Scale-up 7 Scale-up Scale-up 8 Scale-up Scale-up 9 Scale-up Scale-up 10 Scale-up Scale-up 11 Scale-up Scale-up 12 Scale-up Scale-up 13 Scale-up Scale-up 14 Scale-up Scale-up 15 Scale-up Scale-up 16 Scale-up Scale-up 1 2 3 5 4 4 3 2 204T 1024 Scale-Up GPU Switch Scale-Up BW/XPU 25.6 Tbps 204.8 Tbps Per Rack 64 32 Total racks 16 4 Total Units 1024 128 Fibers/unit 128 (Bi-Di) 1024 (Bi-Di) Fibers/rack 8,192 32,768
p15
1M XPU Cluster with Single Layer Scale-Out • Very high bandwidth low latency scale-up domain → to connect many scale-out rails. • ESUN framework to unify scale-up and scale-out messages • Single scale-out switch can connect 1024 scale-up PODs (1024 x1024) x 1000 SINGLE LAYER SCALE-OUT Use ESUN for unified protocol enabling domain fungibility Advantage of Super High BW, Lowest Latency Scale-up OPTICAL BACKPLANE 1,048,576 XPU
p16
• Problem to solve • Need to address optical backplane and deployment challenges with industry participation • Adoption into a single type of Scale-Up interconnect will help to produce the right scale and cost point to drive the next phase of AI interconnect build outs • OCI-MSA movement to include a larger ecosystem of partners • Links: • OCI-MSA GEN1 Specification please see www.oci-msa.org • Broadcom CPO BiDi White Paper https://docs.broadcom.com/doc/cpo-bidi • What is Integrated Optics for AI Infrastructure https://www.broadcom.com/topics/integrated- optics-for-ai-infrastructure Call to Action
p17
Thank You!