2024+IPv6技术白皮书-新华三集团

IPv6 技术白皮书 Copyright © 2022 新华三技术有限公司 版权所有，保留一切权利。 非经本公司书面许可，任何单位和个人不得擅自摘抄、复制本文档内容的部分或全部，并不得以任何形式传播。 除新华三技术有限公司的商标外，本手册中出现的其它公司的商标、产品标识及商品名称，由各自权利人拥有。 本文中的内容为通用性技术信息，某些信息可能不适用于您所购买的产品。 i 目 录 1 概述·························································································································································· 1 2 IPv6 技术优势 ·········································································································································· 1 2.1 充足的地址空间 ···································································································································· 1 2.2 层次化的地址结构 ································································································································ 1 2.3 简化报文头 ··········································································································································· 2 2.4 灵活的扩展头 ········································································································································ 2 2.4.1 IPv6 扩展头类型 ························································································································· 2 2.4.2 IPv6 扩展头的报文格式 ·············································································································· 3 2.5 强大的邻居发现协议 ····························································································································· 4 2.6 内置安全性 ··········································································································································· 4 3 基于 IPv6 的协议扩展 ······························································································································ 5 3.1 IPv6 全球单播地址配置方式 ················································································································· 5 3.1.2 无状态地址自动配置 ·················································································································· 5 3.1.3 有状态地址自动配置（DHCPv6） ····························································································· 8 3.2 IPv6 DNS ··········································································································································· 12 3.2.1 IPv6 DNS 简介 ························································································································· 12 3.2.2 天窗问题避免 ··························································································································· 12 3.3 IPv6 路由 ············································································································································ 14 3.3.1 RIPng ······································································································································· 14 3.3.2 OSPFv3 ···········