openflow_nox_openvswitch平台资料总结文档_OpenvSwitchswitchingdatapath资源-CSDN文库

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这是我在学习中做的一个笔记文档，仅供大家参考
目录
这是我在学习中做的一个笔记文档，仅供大家参考....................................................................1
目录.....................................................................................................................................................1
第一章 背景........................................................................................................................................2
第二章 理论基础................................................................................................................................3
1 软件定义网络 SDN..............................................................................................................3
2 openflow 网络架构...............................................................................................................4
2.1 openflow 交换机........................................................................................................4
2.2 openflow 控制器........................................................................................................8
2.3 openflow 虚拟化........................................................................................................8
3 安全通道...............................................................................................................................8
3.1 OF 协议......................................................................................................................9
3.2 建立连接..................................................................................................................10
3.3 连接中断..................................................................................................................10
3.4 加密..........................................................................................................................10
3.5 生成树......................................................................................................................11
第三章 实验环境搭建......................................................................................................................11
1 安装 open vswitch...............................................................................................................11
1.1 安装 KVM................................................................................................................11
1.2 安装 Openvswitch....................................................................................................12
1.3 配置网桥..................................................................................................................13
2 安装 NOX 网络操作系统及 GUI......................................................................................14
2.1 安装 NOX................................................................................................................14
2.2 安装 NOX-GUI........................................................................................................15
3 环境测试.............................................................................................................................15
1.1 总体拓扑图展示......................................................................................................15
3.2 运行 controller.........................................................................................................15
3.3 配置 open vswitch....................................................................................................16
3.4 测试 open switch 与 controller 是否连通...............................................................17
3.5 启动 GUI 监测.........................................................................................................18
第四章 Open Flow 分析...................................................................................................................19
1 重要的数据结构.................................................................................................................19
1

1.1 of 协议头..................................................................................................................19
1.2 交换机端口状态......................................................................................................20
1.3 流匹配结构..............................................................................................................21
1.4 行为结构..................................................................................................................21
1.5 流表操作..................................................................................................................22
1.6 表统计信息..............................................................................................................22
1.7 端口统计..................................................................................................................23
1.8 数据包进入..............................................................................................................23
1.9 发送数据包..............................................................................................................24
1.10 流表删除................................................................................................................24
2 openflow 设备定义以及基本操作.....................................................................................25
3 OpenFow 数据通路分析....................................................................................................28
第五章 NOX 分析.............................................................................................................................31
1 事件.....................................................................................................................................31
1.1 事件概念..................................................................................................................31
1.2 核心事件列表..........................................................................................................31
2 组件.....................................................................................................................................32
2.1 组件的概念..............................................................................................................32
2.2 基于 python 的组件实现原理.................................................................................32
2.3 流表创建实现原理..................................................................................................32
2.4 组件的基本架构......................................................................................................33
第六章 python 组件实例..................................................................................................................33
1 实例一解析 packet_in 数据包...........................................................................................33
2 实例二数据通路重定向.....................................................................................................34
第七章 GUI 组件实例......................................................................................................................37
1 GUI 简介.............................................................................................................................37
2 NOX-GUI 实现原理...........................................................................................................37
2.1 SNMP 协议简介......................................................................................................37
2.2 open vswitch SNMP.................................................................................................38
2.3 NOX GUI.................................................................................................................40
第一章 背景
2