IPRAN方案深度解析

Doc. Code 01IPRAN 承载方案的现状与未来分析Issue01 Date 2015-08-10HUAWEI TECHNOLOGIES CO., LTD.Copyright © Huawei Technologies Co., Ltd. 2012. All rights reserved.No part of this document may be reproduced or transmitted in any form or by any means without prior written consent of Huawei Technologies Co., Ltd.Trademarks and Permissionsand other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd.All other trademarks and trade names mentioned in this document are the property of their respective holders.NoticeThe purchased products, services and features are stipulated by the contract made between Huawei and the customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information, and recommendations in this document are provided "AS IS" without warranties, guarantees or representations of any kind, either express or implied.The information in this document is subject to change without notice. Every effort has been made in the preparation of this document to ensure accuracy of the contents, but all statements, information, and recommendations in this document do not constitute a warranty of any kind, express or implied.Huawei Technologies Co., Ltd.Address: Huawei Industrial BaseBantian, LonggangShenzhen 518129People's Republic of ChinaWebsite: Email: support@文档说明文档目的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。

文档声明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。

变更信息Contents文档说明............................................................................................................................................ i ii 1 背景与绪论................................................................................................................................... 1-11.1 承载方案...................................................................................................................................................... 1-11.1.1 HVPN ................................................................................................................................................... 1-11.1.2 Seamless MPLS ................................................................................................................................... 1-21.2 文档说明...................................................................................................................................................... 1-32 方案解析....................................................................................................................................... 2-42.1 组网拓扑...................................................................................................................................................... 2-42.1.1 问题描述 ............................................................................................................................................ 2-42.1.2 问题解决 ............................................................................................................................................ 2-52.2 地址规划...................................................................................................................................................... 2-52.2.1 问题描述 ............................................................................................................................................ 2-52.2.2 问题解决 ............................................................................................................................................ 2-82.3 IGP规划 ....................................................................................................................................................... 2-92.3.1 问题描述 ............................................................................................................................................ 2-92.3.2 问题解决 ............................................................................................................................................ 2-92.4 BGP规划.................................................................................................................................................... 2-102.4.1 问题描述 .......................................................................................................................................... 2-102.4.2 解决思路 .......................................................................................................................................... 2-102.5 隧道规划.................................................................................................................................................... 2-112.5.1 问题描述 .......................................................................................................................................... 2-112.5.2 问题解决 .......................................................................................................................................... 2-112.6 业务规划.................................................................................................................................................... 2-112.6.1 问题描述 .......................................................................................................................................... 2-122.6.2 问题解决 .......................................................................................................................................... 2-122.7 规格能力.................................................................................................................................................... 2-142.7.1 问题描述 .......................................................................................................................................... 2-142.7.2 问题解决 .......................................................................................................................................... 2-142.8 可靠性保护................................................................................................................................................ 2-142.8.1 问题描述 .......................................................................................................................................... 2-142.8.2 问题解决 .......................................................................................................................................... 2-15 2.9 运维管理.................................................................................................................................................... 2-152.9.1 问题描述 .......................................................................................................................................... 2-152.9.2 解决思路 .......................................................................................................................................... 2-15 2.10 其他问题.................................................................................................................................................. 2-16 2.11 本章小结.................................................................................................................................................. 2-161 背景与绪论IPRAN已经风风雨雨的走过了很多年，华为公司在IPRAN上的份额基本上是领先地位。