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OSPF和IS-IS详解

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OSPF和IS-IS详解

Name: OSPF和IS-IS详解
Brand: Jingdong book
SKU: 3118088321
Price: 41.75 USD
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为大型网络甄选及部署链路状态路由协议（OSPF和IS-IS）的实用指南
网络技术巨擘Jeff Doyle经典力作
《TCP/IP路由技术》完全进阶
钜细靡遗地剖析、对比OSPF与IS-IS协议

本书是在大型IP企业网络、运营商网络、服务提供商网络中部署OSPF和IS-IS协议的指南。网络技术巨擘Jeff Doyle根据其多年的咨询经验，向读者详述了链路状态路由协议的方方面面——从协议的可扩展性、可靠性、安全性，到区域设计，再到数据库同步——其中不乏自己的真知灼见。
本书的组织结构对需要比较OSPF和IS-IS的网络工程师和架构师大有裨益。在介绍两种协议的每一项特性时，作者总是会首先介绍该特性是如何实现于OSPF，然后再介绍类似特性在IS-IS中的实现方式。对那些没怎么接触过大型网络的从业人员来说，也会喜欢上作者在链路状态路由协议的概念、用途以及渊源方面实用性的描述风格。本书涵盖以下内容：
认识协议消息的类型、封装方式及结构（包括对各种LSA和LSP的介绍）；
优化编址方案、邻居发现、邻接关系的建立以及指定路由器的选举；
提高链路状态路由协议的可扩展性，这涉及控制泛洪范围、限制链路状态数据库的规模，以及提高SPF计算的效率等；
使大型网络具备安全性和可靠性的设计及运维诀窍；
加固网络，使运行于其中的路由协议不受侵袭；
对OSPF和IS-IS的可扩展性做全面对比；
借助OSPF和IS-IS的扩展功能，来实施基于MPLS的流量工程、IPv6路由选择以及多拓扑路由选择；
排除OSPF和IS-IS故障，涉及（由路由器生成的）有关两种协议的日志记录和debug输出的分析技巧，以及对链路状态数据库所含内容的解读方法。

本书不但对OSPF和IS-IS这两种路由协议做了全面介绍，并在每一章的末尾附有习题，而且作者还通过Cisco IOS和Juniper JUNOS列举了诸多示例，这些内容都是备考CCIE 或JNCIE认证的宝贵参考资料。

Content Description

《OSPF和IS-IS详解》是在大型网络中部署OSPF和IS-IS协议的指南，作者以对比的方式讲解了如何在部署大型网络时分别实施OSPF和IS-IS协议，并从这两种协议的可扩展性、可靠性，以及安全性等方面给出了契合实际的建议和答案。
《OSPF和IS-IS详解》适合Cisco/Juniper设备代理商的网络设计、部署人员阅读，也适合ISP网络、大型企业网络的网络运维人员阅读；备考Cisco认证的人员，以及科研院所的相关研究人员也可以从《OSPF和IS-IS详解》中获益。

Author Description

Jeff Doyle，网络业界神一般的技术巨擘，主持或参与设计过的大型IP服务提供商网络遍及全球。他在IP路由协议、MPLS及IPv6领域浸淫多年。Doyle著有《TCP/IP路由技术》，至今仍然被网络从业人员奉为圭臬。他曾代表Juniper公司出席过无数场企业研讨会，并在NANOG、JANOG、APRICOT以及IPv6论坛会议上发表过多次演讲。

Catalogue

目录

第1章链路状态路由协议之由来1
1．1星际网络1
1．2ARPANET4
1．3网络工作组10
1．4互联网的诞生12
1．5ARPANET内的路由选择16
1．6欧洲的发展23
1．7独立且平等25
1．8总结28

第2章链路状态路由协议基本知识29
2．1矢量(vector)协议基础29
2．1．1矢量协议的收敛31
2．1．2矢量协议的共性33
2．1．3路由环路34
2．2链路状态的基本概念44
2．2．1邻接关系47
2．2．2泛洪50
2．2．3路由宣告消息的头部56
2．2．4数据库同步57
2．2．5SPF计算58
2．2．6区域68
2．3复习题69

第3章消息类型71
3．1术语比较71
3．2消息封装方式73
3．3消息结构76
3．4消息类型78
3．5LSA和LSP80
3．6子网无关和子网相关功能82
3．6．1子网相关功能83
3．6．2子网无关功能84
3．7复习题86

第4章寻址、邻居发现和邻接关系87
4．1路由器和区域ID87
4．1．1OSPF Router-ID87
4．1．2故障排除：OSPF RID冲突89
4．1．3OSPF区域ID92
4．1．4IS-IS System-ID和区域ID94
4．2Hello协议96
4．2．1OSPF Hello协议基础知识97
4．2．2IS-IS Hello协议基础知识99
4．2．3IS-IS动态主机名交换106
4．2．4OSPF域名查询107
4．3邻接关系108
4．3．1OSPF邻接关系108
4．3．2IS-IS邻接关系111
4．4指定路由器118
4．4．1OSPF指定路由器121
4．4．2IS-IS指定中间系统125
4．5介质类型127
4．5．1OSPF网络类型127
4．5．2IS-IS网络类型132
4．6接口数据库134
4．6．1OSPF接口数据结构134
4．6．2OSPF接口状态137
4．6．3IS-IS接口数据结构141
4．7复习题143

第5章泛洪145
5．1泛洪组件145
5．1．1OSPF泛洪146
5．1．2IS-IS泛洪155
5．2区域类型和路由器类型163
5．2．1OSPF区域和路由器类型163
5．2．2IS-IS区域和路由器类型166
5．3度量类型168
5．3．1OSPF路由度量值168
5．3．2IS-IS路由度量值171
5．4LSA的基本类型173
5．4．1路由器LSA173
5．4．2网络LSA176
5．4．3网络汇总LSA177
5．4．4ASBR汇总LSA179
5．4．5外部LSA180
5．5TLV结构的基本类型184
5．5．1区域地址TLV185
5．5．2IS邻居TLV185
5．5．3所支持的(网络层)协议TLV187
5．5．4接口(所配置的)IP地址TLV187
5．5．5IP内部可达性信息TLV188
5．5．6IP外部可达性信息TLV189
5．5．7经过扩展的IS可达性(信息)TLV190
5．5．8经过扩展的IP可达性(信息)TLV191
5．6复习题192

第6章链路状态数据库同步195
6．1OSPF数据库同步196
6．1．1数据库同步过程中所使用的OSPF协议数据包196
6．1．2选项字段200
6．1．3OSPF邻居数据结构202
6．1．4OSPF路由器在数据库交换和泛洪期间用到的LSA列表204
6．1．5管理数据库的交换：主(Master)/从(Slave)路由器机制204
6．1．6OSPF邻居状态机207
6．1．7OSPF排障方法1：学会解读路由器生成的日志记录及Debug输出信息213
6．1．8OSPF排障方法2：学会比较(不同路由器的)LS数据库220
6．2IS-IS数据库同步225
6．2．1数据库同步过程中所使用的IS-IS PDU226
6．2．2设置路由消息标记和序列号消息标记229
6．2．3点到点网络环境中的LS数据库同步230
6．2．4广播网络环境中的LS数据库同步232
6．2．5IS-IS排障方法1：学会解读路由器生成的日志记录及Debug输出信息234
6．2．6IS-IS排障方法2：学会比较不同IS-IS路由器的LS数据库238
6．3复习题239

第7章区域设计241
7．1区域的可扩展性242
7．2区域的可靠性244
7．3OSPF区域246
7．3．1骨干区域和非骨干区域246
7．3．2影响OSPF区域“伸缩自如”的因素250
7．3．3外部路由前缀和OSPF路由进程域的规模253
7．3．4stub区域256
7．3．5Totally stub区域259
7．3．6Not-So-Stubby区域260
7．3．7地址汇总263
7．3．8虚链路265
7．4IS-IS区域271
7．4．1骨干区域和非骨干区域271
7．4．2影响IS-IS区域“伸缩自如”的因素275
7．4．3IS-IS L1区域内默认的路由选择规则279
7．4．4L1/L2路由器冗余284
7．4．5再谈地址汇总285
7．4．6L2到L1的路由泄露286
7．4．7将外部IP前缀重分发进IS-IS291
7．4．8在一台路由器上配置多个AID(多区域ID)293
7．4．9IS-IS虚链路293
7．4．10BGP和IGP区域设计294
7．5复习题295

第8章伸缩自如297
8．1对SPF算法的改进297
8．1．1等开销多路径298
8．1．2伪节点和ECMP305
8．1．3增量SPF计算309
8．1．4部分路由计算311
8．1．5SPF延迟312
8．2改进路由器泛洪LSA/LSP的机制314
8．2．1控制路由器发送LSA/LSP的节奏(Transmit Pacing)315
8．2．2控制路由器重传LSA/LSP的节奏(Retransmit Pacing)318
8．2．3Mesh Groups319
8．2．4按需电路和泛洪抑制323
8．3分片327
8．4过载(Overloading)332
8．5复习题336

第9章安全性和可靠性339
9．1路由协议的漏洞339
9．1．1恶意危害340
9．1．2非恶意危害342
9．2安全特性与可靠特性343
9．2．1固有安全特性343
9．2．2认证344
9．2．3校验和354
9．2．4优雅重启动(Graceful Restart)356
9．2．5双向转发检测369
9．3网络的安全性和可靠性设计373
9．3．1冗余性374
9．3．2路由进程域边界防护377
9．3．3路由器防护378
9．4与保障网络安全性和可靠性有关的运维经验383
9．4．1配置管理384
9．4．2变更管理385
9．4．3仿真网络环境(The Network Lab)390
9．5复习题391

第10章可扩展能力393
10．1扩展OSPF393
10．1．1OSPF面临的可扩展性问题394
10．1．2不透明LSA(Opaque LSA)395
10．1．3不透明LSA(Opaque LSA)398
10．2扩展IS-IS400
10．2．1IS-IS在可扩展性方面的优势400
10．2．2(本机)所支持的协议TLV401
10．3路由标记401
10．4复习题403

第11章为支持MPLS流量工程所添加的扩展功能405
11．1MPLS：概述406
11．1．1标签和标签交换406
11．1．2转发等价类和标签绑定409
11．1．3标签(绑定信息的)分发410
11．1．4MPLS头部411
11．2流量工程：概述413
11．2．1TE链路参数414
11．2．2受约束的最短路径优先算法416
11．3为支持流量工程针对OSPF做出的改进419
11．4为支持流量工程而针对IS-IS做出的改进422
11．5复习题423

第12章为支持IPv6所添加的扩展功能425
12．1IPv6：概述425
12．1．1IPv6的特征和功能427
12．1．2IPv6地址的格式428
12．1．3IPv6地址的表示方法430
12．1．4邻居发现协议431
12．1．5无状态地址自动配置433
12．1．6IPv6包头格式435
12．1．7扩展包头437
12．2OSPFv3439
12．2．1OSPF执行IPv4和IPv6路由选择的兼容性440
12．2．2OSPFv2和OSPFv3之间的区别441
12．2．3OSPFv3 LSA442
12．2．4选项字段453
12．2．5OSPFv3协议数据包454
12．2．6未来对OSPFv3的改进456
12．3为支持IPv6路由选择针对IS-IS做出的改进457
12．4复习题459

第13章为支持多拓扑路由选择所做出的改进461
13．1为支持多拓扑路由选择对OSPF所做的改进462
13．1．1MT-OSPF运作规程463
13．1．2MT-OSPF LSA464
13．1．3链路排除466
13．2为支持多拓扑路由选择对IS-IS所做的改进467
13．2．1链路排除467
13．2．2MT-ISIS TLV469
13．3复习题471

后记链路状态路由协议之未来473

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Jingdong book

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