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美少女的学习笔记9

  • 2026-11-04 01:13:03
美少女的学习笔记9
ECOC总结第一篇,一去就被OIF的demo演示的展台吸引住了,主要分四个主题:

(一)EEI 高能效接口(AI 低功耗互联主线)

  • 定位:AI Scale-up(GPU-Pod 内部短距高密互联),解决传统光互联功耗爆炸问题

(二)CEI 高速电气 SerDes(底层速率底座)

  • 迭代节奏:112G → 224G(当前量产落地) → 448G(下一代定义中),覆盖全场景:XSR/VSR/MR/LR/Linear 五大传输距离,全面覆盖芯片 - 模块 - 背板

(三)CMIS 统一管理协议(1.6T/CPO 生态标准化底座)

  • 2026 重点升级:带外链路训练、自主链路启动 APSU、批量固件升级、ELSFP 激光管控

(四)ZR 相干高速光口(1.6T 长距标准落地)

  • 100ZR/400ZR/800ZR 全面商用互通,本次最大里程碑:1600ZR(1.6T 单波相干)IA 正式发布,标志下一代长距 1.6T 标准化成型
\\\进入美少女学习阶段
一、OIF‑ECOC2026 EEI~

1、EEI 不是单一协议,是整套接口集合,所以整个演示包含:

COI(Compute Optics Interface,计算光接口)
RTLR(Retimed Tx, Linear Rx)降低模块端 DSP 压力,实现低功耗
ELSFP(External Laser Small Form‑Factor)外置光源方案
NPO 近封装光学:主推规格 12.8T(64×200G/lane)
CPO 共封装模块:演示规格 3.2T
2、阐述四种下一代 AI Scale-up 互联方案
从远到近:可插拔模块(板外铜)→可插拔(共封装铜)→NPO 近封装光学 → CPO 共封装光学
其中,NPO :OIF 主推 12.8Tb/s NPO 项目,单通道 200G PAM4(64×200G),配套液冷、激光器、光连接器规范。细节还是有所区分,如下图,NPO还是分了两种。

3、OIF 重点项目(EEI 体系内)

  1. 12.8T NPO
  2. RTLR / LTLR
    - 模式:发送端重定时、接收端线性;属于 “半重定时链路”;省去光模块接收端 DSP,降低功耗。

    - 对比:完全重定时功耗最高、距离最远;线性无重定时功耗最低、距离最短。

    - OIF 已发布 112G‑RTLR 规范,224G‑RTLR 在研;底层基于 CEI‑112G‑LINEAR‑PAM4。

  3. ELSFP
    外置光源的小型光模块,激光器独立放置,模块不带制冷 / 非制冷两种;定义多档光功率等级(SLP~SHP 最高 26dBm),兼容 CMIS 管理接口。 高输出光功率,适配 CPO/NPO 光源需求,多家厂商完成互通演示。

4、ECOC2026 现场演示内容

NPO 实机演示(EEI+CEI 联合):TeraHop 224G SerDes + NPO 光组件,Keysight 示波器完成信号测试,验证近封装光学互通:
ELSFP 生态演示:Amphenol、Ligent、TeraHop、AOI 等厂商联合演示
光源:8 路 1311nm,输出 25dBm,制冷 / 非制冷激光器。
光源验证demo(验证 CMIS互通性):Ligent(单波光源)+Xscape Photonics(8波长光源);

EEI 综合概念示意图 Demo(芯片 / 封装生态全景图)

  • ELSFP 外置光源区域:AOI、Ligent、TE、USCONEC(TE 负责ELSFP笼子,USCONEC 连接器)
  • NPO 近封装光引擎:Terahop;
  • CPO:Ciena、Samtec ;
  • 同时展示 CPC 共封装铜、NPC 近封装铜等电互联备选方案。
高密度 DWDM 光互联演示:Lightmatter、高通,实现单根光纤 800G/1.6T,PAM4 架构,面向 AI 高速互联。

1. Demo A(单向 UniDi):每纤 800G/1.6T,PAM4,200GHz 间隔 DWDM,PIC + 激光器能效约 2‑3pJ/bit。

2. Demo B(BIDI 双向):OCI‑MSA 架构风格的 BIDI 链路,但并非真正 OCI 标准产品;53G NRZ,双向 8 (4+4)/16 (8+8) 通道。MRM。现场反馈后续会基于 OCI 协议开发正式产品;

so,整套 Demo 核心价值:验证跨供应商硬件互操作,推动 AI 算力内部光互联标准化落地。
基本 文件 流程 错误 SQL 调试
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  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=d961497f24f1a58b3685256320fd7970
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  1. CONNECT:[ UseTime:0.000444s ] mysql:host=172.18.0.4;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000798s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000419s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000419s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000789s ]
  6. SELECT * FROM `set` [ RunTime:0.000351s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000694s ]
  8. SELECT * FROM `article` WHERE `id` = 574673 LIMIT 1 [ RunTime:0.000368s ]
  9. UPDATE `article` SET `lasttime` = 1793969215 WHERE `id` = 574673 [ RunTime:0.001155s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000331s ]
  11. SELECT * FROM `article` WHERE `id` < 574673 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000398s ]
  12. SELECT * FROM `article` WHERE `id` > 574673 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000431s ]
  13. SELECT * FROM `article` WHERE `id` < 574673 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000677s ]
  14. SELECT * FROM `article` WHERE `id` < 574673 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000520s ]
  15. SELECT * FROM `article` WHERE `id` < 574673 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000663s ]
0.089373s