Doc. Code 01
IPRAN承载方案的现状与未来分析
Issue Date
01
2015-08-10
HUAWEI TECHNOLOGIES CO., LTD.
i
IPRAN承载方案的现状与未来
文档说明
Copyright ? Huawei Technologies Co., Ltd. 2012. All rights reserved.
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IPRAN承载方案的现状与未来
文档说明
文档目的文档声明变更信息
文档说明
本文档旨在描述当前承载网主要解决方案的客观问题，以及针对客观问题提供简要的解决方案或者解决思路。
通过对当前问题的描述，笔者期望能够更多的人参与承载网方案问题的共享。通过集体的智慧，把当前的不足点一一的发掘并解决。
本文所发表的看法一定程度上仅代表个人看法，如有理解不到之处，请谅解。
Version Description Date 01 第一次发布 2015-08-10
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IPRAN承载方案的现状与未来
文档说明
Contents
文档说明 ............................................................................................................................................ iii 1 背景与绪论 ................................................................................................................................... 1-1
1.1 承载方案 ...................................................................................................................................................... 1-1 1.1.1 HVPN ................................................................................................................................................... 1-1 1.1.2 Seamless MPLS ................................................................................................................................... 1-2 1.2 文档说明 ...................................................................................................................................................... 1-3
2 方案解析 ....................................................................................................................................... 2-4
2.1 组网拓扑 ...................................................................................................................................................... 2-4 2.1.1 问题描述 ............................................................................................................................................ 2-4 2.1.2 问题解决 ............................................................................................................................................ 2-5 2.2 地址规划 ...................................................................................................................................................... 2-5 2.2.1 问题描述 ............................................................................................................................................ 2-5 2.2.2 问题解决 ............................................................................................................................................ 2-8 2.3 IGP规划 ....................................................................................................................................................... 2-9 2.3.1 问题描述 ............................................................................................................................................ 2-9 2.3.2 问题解决 ............................................................................................................................................ 2-9 2.4 BGP规划 .................................................................................................................................................... 2-10 2.4.1 问题描述 .......................................................................................................................................... 2-10 2.4.2 解决思路 .......................................................................................................................................... 2-10 2.5 隧道规划 .................................................................................................................................................... 2-11 2.5.1 问题描述 .......................................................................................................................................... 2-11 2.5.2 问题解决 .......................................................................................................................................... 2-11 2.6 业务规划 .................................................................................................................................................... 2-11 2.6.1 问题描述 .......................................................................................................................................... 2-12 2.6.2 问题解决 .......................................................................................................................................... 2-12 2.7 规格能力 .................................................................................................................................................... 2-14 2.7.1 问题描述 .......................................................................................................................................... 2-14 2.7.2 问题解决 .......................................................................................................................................... 2-14 2.8 可靠性保护 ................................................................................................................................................ 2-14 2.8.1 问题描述 .......................................................................................................................................... 2-14
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IPRAN承载方案的现状与未来
文档说明
2.8.2 问题解决 .......................................................................................................................................... 2-15 2.9.1 问题描述 .......................................................................................................................................... 2-15 2.9.2 解决思路 .......................................................................................................................................... 2-15
2.9 运维管理 .................................................................................................................................................... 2-15
2.10 其他问题 .................................................................................................................................................. 2-16 2.11 本章小结 .................................................................................................................................................. 2-16
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