【正文】 .............4 安全性有所缺失 ...................................................................................................................4 配置復雜 ...............................................................................................................................5 其他問題 ...............................................................................................................................5 IPv6 基本介紹 ............................................................................................................................. ......5 IPv6 基本報頭 ........................................................................................................................5 IPv6 擴展報頭 .................................................................................................................... ....6 IPv6 地址技術 ........................................................................................................................6 IPv6 地址類型 ........................................................................................................................6 IPv6 新特性 ............................................................................................................................. ..7 服務質量 ...............................................................................................................................7 安全性 ...................................................................................................................................7 移動性 ...................................................................................................................................7 3. IPv4 到 IPv6 的過渡策略 ..........................................................................................................................7 概述 ..................................................................................................................................................7 雙棧協(xié)議 ..........................................................................................................................................8 基本雙協(xié)議棧技術 .................................................................................................................8 有限雙棧協(xié)議技術 .................................................................................................................8 雙棧協(xié)議過渡機制 DSTM......................................................................................................8 隧道技術 .........................................................................................................................................9 手工配置隧道 .........................................................................................................................9 兼容地址自動配置隧道 .......................................................................................................10 6to4........................................................................................................................................10 6over4....................................................................................................................................10 隧道代理（ TB） ...................................................................................................................11 ISATAP 隧道 .............................................................................................................. ..............11 Teredo 隧道 ............................................................................................................................12 翻譯技術 ........................................................................................................................................12 SIIT...........................................................................................................................................12 NATPT.....................................................................................................................................13 BIS...........................................................................................................................................13 BIA...........................................................................................................................................14 SOCKs64..................................................................................................................................14 過渡技術對比，總結 ....................................................................................................................15 4. IPv6 的部署方案設計 .............................................................................................................. ................16 IPv6 部署進程 ............................................................................................................................. ....16 過渡技術設計 ................................................................................................................................16 雙協(xié)議棧的配置設計 ...........................................................................................................16 GRE 手動隧道配置設計 ........................................................................................................17 IPv4 兼容 IPv6 自動隧道配置設計 .......................................................................................18 3 6to4 隧道配置設計 ...............................................................................................................18 ISATAP 隧道配置設計 ............................................................................................................19 NATPT 隧道配置設計 ...........................................................................................................20 5. 總結 ..........................................................................................................................................................21 致謝 .................................