运营商边缘计算网络 技术白皮书 边缘计算产业联盟（ECC）与网络 5.0 产业和技术创新联盟（N5A）联合发布 2019 年 11 月 m o h t i g b u c . 5 PREFACE 前言 随着 5G 时代的到来，边缘计算成为新的业务增长点，受到 了学术界、产业界以及政府部门的极大关注，在电力、交通、制造、 智慧城市等多个价值行业有了规模应用。产业界在实践中逐步认 识到边缘计算的本质与核心能力。 m o 伴随行业数字化进程的不断深入，持续涌现的新业务对边缘 c . 5 计算提出了新需求。而这些新的需求必然导致网络架构的变迁。 边缘计算网络技术的研究已经成为边缘计算发展的重要前提。 b u 为理清边缘计算与网络基础设施的关系，边缘计算产业联盟 （Edge Computing Consortium，缩写为 ECC）与网络 5.0 产业与 技术创新联盟（Network 5.0 Industry and Technology Innovation h t i g Alliance，缩写为 N5A）共同研究编写《运营商边缘计算网络技术 白皮书》。 参与编写单位： 中国电信股份有限公司北京研究院 本白皮书目的是识别、解释和定位与边缘计算相关的网络技 华为技术有限公司 中国移动研究院 术体系。首先，从边缘计算对网络需求的三大典型场景出发，详 中国联通网络技术研究院 细分析了每个场景中边缘计算与网络基础设施之间的关系，得到 中国联通研究院 中国信息通信研究院 了七大关键需求；其次，从边缘计算的角度重新划分和定义了网 重庆大学 络基础设施，提出将边缘计算相关的网络基础设施分为边缘计算 北京邮电大学 和利时科技集团 接入网络（ECA）、边缘计算内部网络（ECN）、边缘计算互联网 思博伦通信科技有限公司 络（ECI）等三部分，并针对每一部分给出了相应的解决方案和关 北京易华录信息技术股份有限公司 赛特斯科技股份有限公司 键技术；最后，对边缘计算网络技术发展趋势和未来可能涉及的 烽火通信科技股份有限公司 技术进行了详尽的阐述。 编写组成员： 本文档的目标读者包括但不限于边缘计算产业联盟的所有成 雷 波 翁志强 黄还青 宋 军 赵倩颖 刘 鹏 李 勤 秦凤伟 曹 畅 何 涛 蔡岳平 徐 雷 于 城 张恒升 时晓光 朱毅明 李天辉 张少伟 张 兴 王 凌 祝 亮 兰光华 员，联盟成员的供应商，电信运营商，网络设备供应商，系统集 成商以及其他关心边缘计算网络基础设施相关的机构和个人。 CONTENTS 目录 前言 01. 引言 ················································································································· 01 1.1 边缘计算 2.0 ·································································································································· 01 1.2 边缘计算网络 ································································································································ 02 m o 02. 边缘计算对网络的需求 ··················································································· 2.1 固移融合场景 ································································································································ c . 5 2.2 园区网与运营商网络融合场景 ······································································································ 2.3 现场边缘计算场景 ························································································································· 2.4 小结 ··············································································································································· b u 03 03 06 08 11 03. 边缘计算网络基础设施 ··················································································· 12 3.1 边缘计算接入网络 ECA ················································································································· 12 3.2 边缘计算内部网络 ECN ················································································································· 17 3.3 边缘计算互联网络 ECI ·················································································································· 18 3.4 运营商 5G MEC 网络的架构模型和网建六大关键点 ··································································· 20 04. 边缘计算网络相关技术发展展望 ···································································· 24 4.1 边缘计算网络技术未来发展方向 ·································································································· 24 4.2 无损网络 ········································································································································ 25 4.3 DetNet ··········································································································································· 26 h t i g 4.4 算力网络 ········································································································································ 28 4.5 内容寻址网络 ································································································································ 29 4.6 主动防御网络 ································································································································ 31 4.7 B5G/6G ·········································································································································· 31 附录 1：术语表 ····································································································· 34 附录 2：缩略语表 ································································································· 36 附录 3：参考文献 ································································································· 39 运营商边缘计算网络技术白皮书 引言 01 引言 m o 1.1 边缘计算 2.0 c . 5 随着全球数字化浪潮的到来，5G、AI、大数据等新技术不 安全与隐私保护等方面的关键需求。它从边缘计算的位置、 断涌现。边缘计算正在兴起，成为新时代改变通信信息服 能力与价值等维度给出定义，在边缘计算产业发展的初期 务模式的关键创新之一。边缘计算被认为是