ICS 33.040.20 M 33 中华人民共和国通信行业标准 YD YD/T ×××× —×××× 灵活以太网（ FlexE）链路接口 技术要求 Technical requireme nts for flexible Ethernet (FlexE ) interface and link （报批稿） 20×× -×× -××发布 20×× -×× -××实施 中华人民共和国工业和信息化部 发布 YD/T × × × × —× × × × I 目 次 前 言 ................................ ................................ ................................ ................................ ........................... III 1 范围 ................................ ................................ ................................ ................................ ................................ .. 1 2 规范性引用文件 ................................ ................................ ................................ ................................ .............. 1 3 术语、定义和缩略语 ................................ ................................ ................................ ................................ ...... 1 3.1术语和定义 ................................ ................................ ................................ ................................ .................... 1 3.2缩略语 ................................ ................................ ................................ ................................ ............................ 2 4 FlexE功能模型 ................................ ................................ ................................ ................................ ............... 3 4.1 FlexE原理与功能 ................................ ................................ ................................ ................................ ...... 3 4.2 IEEE 802.3 以太网模型 ................................ ................................ ................................ ............................. 4 4.3 FlexE与IEEE 802.3 以太网模型的关系 ................................ ................................ ................................ . 4 4.4 FlexE复用过程 ................................ ................................ ................................ ................................ .......... 5 4.5 FlexE客户信号复用过程处理 ................................ ................................ ................................ .................. 7 4.6 解复用过程 ................................ ................................ ................................ ................................ ................. 8 4.7 解复用过程 PHY层处理 ................................ ................................ ................................ ........................ 11 4.8 解复用过程交织和开销处理 ................................ ................................ ................................ ................... 11 4.9 解复用过程故障处理 ................................ ................................ ................................ ............................... 11 4.1 解复用过程 FlexE客户信号提取 ................................ ................................ ................................ ........... 11 4.1 解复用过程速率适配处理 ................................ ................................ ................................ ....................... 11 4.1 解复用过程管理和控制 ................................ ................................ ................................ ........................... 11 5 FlexE信号处理机制 ................................ ................................ ................................ ................................ ... 11 5.1 FlexE组 ................................ ................................ ................................ ................................ ..................... 11 5.2 50GBASE -R PHY构成的 FlexE组 ................................ ................................ ................................ ........ 12 5.3 100GBASE -R PHY构成的 FlexE组 ................................ ................................ ................................ ...... 12 5.4 200GBASE -R或400GBASE -R PHY构成的组 ................................