NS中文手册精美版.pdf全面介绍Tcl,NS2各种用法资源-CSDN文库

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附上目录，直接从PDF复制，难免有些凌乱，凑合着看下吧。目录第1章简介 ....................................................................................................................................... 19 第2章未文档化的工具(Undocumented Facilities)........................................................................ 22 第一篇解释器的接口 ...................................................................................................... 24 第3章 OTcl联接(Linkage) ............................................................................................................... 25 3.1 概念综述 ................................................................................................................................................................................. 25 3.2 代码综述 ................................................................................................................................................................................. 26 3.3 Tcl类 ........................................................................................................................................................................................ 26 3.3.1 获取Tcl类实例的指针(reference) ........................................................................................................................... 26 3.3.2 调用OTcl过程 ............................................................................................................................................................ 26 3.3.3 从解释器传出或传入结果 ........................................................................................................................................ 27 3.3.4 错误报告与退出 ........................................................................................................................................................ 28 3.3.5 解释器内的哈希(Hash)函数 ............................................................................................................................... 28 3.3.6 解释器上的其它操作 ................................................................................................................................................ 28 3.4 TclObject类 ........................................................................................................................................................................... 28 . 3.4.1 创建(creating)和撤销(Destroying)TclObjects ......................................................................................... 29 3.4.2 变量绑定(Variable Bindings) ........................................................................................................................... 30 3.4.3 变量跟踪(Variable Tracing) .............................................................................................................................. 32 3.4.4 command方法: 定义与调用(Invocation) ....................................................................................................... 33 3.5 TclClass类 .............................................................................................................................................................................. 35 . 3.5.1 如何绑定静态C++类成员变量 .............................................................................................................................. 36 3.6 TclCommand类 .................................................................................................................................................................... 37 3.7 EmbeddedTcl类 .................................................................................................................................................................... 39 3.8 InstVar类 ................................................................................................................................................................................ 40 第二篇模拟器基本知识 .................................................................................................. 41 第 4 章 Simulator 类 ......................................................................................................................... 42 4.1 模拟器初始化 ........................................................................................................................................................................ 42 4.2 调度器和事件 ......................................................................................................................................................................... 42 4.2.1 链表调度器 ................................................................................................................................................................. 43 4.2.2 堆调度器 .................................................................................................................................................................... 44 4.2.3 时间队列调度器 ........................................................................................................................................................ 44 4.2.4 实时调度器 ................................................................................................................................................................ 44 5 NS 手册中文翻译小组作品 2007.12 4.2.5 ns 中调试器时钟的精度 ............................................................................................................................................ 44 4.3 其他方法 ................................................................................................................................................................................ 45 4.4 命令一览 ................................................................................................................................................................................ 45 第5章节点和 Packet 转发 ............................................................................................................... 48 5.1 节点基础知识 ........................................................................................................................................................................ 48 5.2 节点方法:配置节点 ............................................................................................................................................................ 50 . 5.3 节点配置接口 ........................................................................................................................................................................ 52 5.4 分类器 .................................................................................................................................................................................... 53 5.4.1 地址分类器 ................................................................................................................................................................. 57 5.4.2 组播分类器 ................................................................................................................................................................. 57 5.4.3 多路分类器 ................................................................................................................................................................. 59 5.4.4 哈希分类器 ................................................................................................................................................................. 59 5.4.5 复制器 ......................................................................................................................................................................... 60 5.5 路由模块和分类器组织 ......................................................................................................................................................... 62 . 5.5.1 路由模块 ..................................................................................................................................................................... 62 5.5.2 路由模块 ..................................................................................................................................................................... 64 5.6 命令一览 ................................................................................................................................................................................ 65 第6章链路:简单链路...................................................................................................................... 68 6.1 链路和简单链路的实例过程 ................................................................................................................................................. 69 6.2 连接器 ..................................................................................................................................................................................... 70 6.3 对象继承 ................................................................................................................................................................................. 71 6.4 命令一览 ................................................................................................................................................................................. 72 第 7 章队列管理(Queue Management)和包调度(Packet Scheduling) .................................... 76 7.1 C++中的队列类 ..................................................................................................................................................................... 76 7.1.1 队列阻塞(Queue blocking) ....................................................................................................................................... 77 7.1.2 PacketQueue 类 ................................................................................................................................................................ 78 7.2 示例:丢尾(Drop Tail) ......................................................................................................................................................... 79 7.3 不同类型的队列对象 ............................................................................................................................................................ 79 . 7.4 命令一览 ................................................................................................................................................................................ 83 7.5 Queue/JoBS .......................................................................................................................................................................... 83 7.5.1 JoBS 算法 .................................................................................................................................................................. 84 7.5.2 配置 ............................................................................................................................................................................ 84 7.5.3 跟踪 ............................................................................................................................................................................ 86 7.5.4 变量 ............................................................................................................................................................................ 86 7.5.5 命令一览 .................................................................................................................................................................... 86 第8章延时和链路............................................................................................................................. 89 6 NS 手册中文翻译小组作品 2007.12 8.1 LinkDelay 类 .......................................................................................................................................................................... 89 8.2 命令一览 ................................................................................................................................................................................ 90 第9 章 ns 中的差异服务模块(Differentiated Services Module)............................................... 91 9.1 概述 ........................................................................................................................................................................................ 91 9.2 实现 ...................................................................................................................................................................................... 91 9.2.1 DiffServ 模型中的 RED 队列 ................................................................................................................................... 91 9.2.2 边际和核心路由器(Edge and core routers) .................................................................................................. 92 9.2.3 策略 ............................................................................................................................................................................ 92 9.3 配置 ........................................................................................................................................................................................ 93 9.4 命令一览 ................................................................................................................................................................................ 95 第 10 章代理(Agents).................................................................................................................. 97 10.1 代理声明(state) .................................................................................................................................................................. 97 10.2 代理函数 .............................................................................................................................................................................. 97 10.3 协议代理 .............................................................................................................................................................................. 98 10.4 OTcl 链接 ............................................................................................................................................................................ 98 10.4.1 创建并操作代理 ...................................................................................................................................................... 99 10.4.2 缺省值 ..................................................................................................................................................................... 99 10.4.3 OTcl 函数 ................................................................................................................................................................ 99 10.5 TCP,TCP 接收代理的例子 ............................................................................................................................................... 99 10.5.1 创建 Agent ............................................................................................................................................................. 99 10.5.2 启动代理 ............................................................................................................................................................... 101 10.5.3 在接收端处理输入 ................................................................................................................................................ 101 10.5.4 在发送端处理响应(Responses) .................................................................................................................... 102 10.5.5 定时器的实现 ....................................................................................................................................................... 103 . 10.6 创建一个新的代理 ............................................................................................................................................................ 103 10.6.1 示例:一个“ping”请求器(继承结构) ....................................................................................................... 103 . 10.6.2 recv()和 timeout()方法 ....................................................................................................................................... 104 10.6.3 “ping” 代理与 OTcl 的链接............................................................................................................................ 104 10.6.4 通过 OTcl 使用代理 ............................................................................................................................................. 106 10.7 代理应用程序接口(API) .............................................................................................................................................. 106 10.8 各种代理对象 .................................................................................................................................................................... 106 10.9 命令一览 ............................................................................................................................................................................ 109 第 11 章定时器(Timers) ............................................................................................................ 111 11.1 C++抽象基类 TimerHandler ....................................................................................................................................... 111 11.1.1 定义一个新的定时器(timer) ............................................................................................................................... 111 11.1.2 示例:Tcp 重传定时器 ........................................................................................................................................ 112 11.2 OTcl timer 类 ................................................................................................................................................................... 114 11.3 命令一览 ............................................................................................................................................................................ 115 7 NS 手册中文翻译小组作品 2007.12 第 12 章分组头及其格式 ................................................................................................................. 116 12.1 协议特定的分组头 ............................................................................................................................................................ 116 12.1.1 添加新的分组头类型 ............................................................................................................................................ 118 12.1.2 在模拟中选择包含的分组头 ................................................................................................................................ 118 12.2 Packet 类 ........................................................................................................................................................................... 119 12.2.1 Packet 类 ............................................................................................................................................................... 119 12.2.2 p_info 类 ............................................................................................................................................................... 122 12.2.3 hdr_cmn 类 ........................................................................................................................................................... 122 12.2.4 PacketHeaderManager 类 ............................................................................................................................. 123 12.3 命令一览 ............................................................................................................................................................................ 124 第 13 章错误模型(Error Model) ................................................................................................ 126 13.1 实现 .................................................................................................................................................................................... 126 13.2 配置 .................................................................................................................................................................................... 127 13.3 多态错误模型 .................................................................................................................................................................... 128 13.4 命令一览 ............................................................................................................................................................................ 129 第 14 章局域网 ............................................................................................................................... 130 14.1 Tcl 配置 .............................................................................................................................................................................. 130 14.2 局域网的组成 .................................................................................................................................................................... 130 14.3 Channel 类 ........................................................................................................................................................................ 131 14.3.1 Channel 状态 ........................................................................................................................................................ 131 14.3.2 例子:物理层的 Channel 和分类器................................................................................................................. 132 14.3.3 C++中的 Channel 类 ........................................................................................................................................ 132 14.4 MacClassifier 类 ............................................................................................................................................................... 132 14.5 MAC 类 .............................................................................................................................................................................. 133 14.5.1 Mac 的状态 ........................................................................................................................................................... 133 14.5.2 Mac 的方法 ........................................................................................................................................................... 133 14.5.3 C++中的 Mac 类 ................................................................................................................................................ 134 14.5.4 基于 CSMA 的 MAC ............................................................................................................................................ 134 14.6 LL(链路层)类 ...................................................................................................................................................................... 135 14.6.1 C++中的 LL 类 .................................................................................................................................................... 135 14.6.2 例子:链路层的配置 ............................................................................................................................................ 136 14.7 LanRouter 类 .................................................................................................................................................................... 136 14.8 其它的组件 ........................................................................................................................................................................ 136 14.9 局域网和 ns 路由 .............................................................................................................................................................. 137 14.10 命令一览 .......................................................................................................................................................................... 138 第 15 章 NS 中的寻址结构(修正版) ............................................................................................. 139 8 NS 手册中文翻译小组作品 2007.12 15.1 缺省的地址格式 ................................................................................................................................................................ 139 15.2 层次式的地址格式 ............................................................................................................................................................ 139 15.2.1 缺省的层次式设置 ................................................................................................................................................ 139 15.2.2 特定的层次式设置 ................................................................................................................................................ 140 15.3 扩展的节点地址格式 ........................................................................................................................................................ 140 15.4 扩展 port-id 域 ................................................................................................................................................................. 140 15.5 设置地址格式的错误 ........................................................................................................................................................ 140 15.6 命令一览 ............................................................................................................................................................................ 141 第 16 章 NS 中的移动网络 ............................................................................................................... 142 16.1 NS 的基础无线模型 .......................................................................................................................................................... 142 16.1.1 移动节点:创建无线拓扑 .................................................................................................................................... 142 16.1.2 创建节点移动模型 ................................................................................................................................................ 145 16.1.3 移动节点的网络组件 ............................................................................................................................................ 147 16.1.4 移动网络的各种 MAC 层协议 ............................................................................................................................. 150 16.1.5 移动网络的各种路由代理 .................................................................................................................................... 151 16.1.6 Trace 支持 ............................................................................................................................................................. 152 16.1.7 无线 traces 的修订格式 ..................................................................................................................................... 156 16.1.8 无线场景中节点移动和流量连接的生成 ............................................................................................................ 158 16.2 CMU 的移动模型扩展 ...................................................................................................................................................... 159 16.2.1 有线-无线通信场景 .............................................................................................................................................. 159 16.2.2 移动 IP ................................................................................................................................................................... 161 16.3 NS 老版本(2.1b5 或其后的)的代码融合到目前版本(2.1b8)的改动列表 .......................................................... 163 16.4 命令一览 ............................................................................................................................................................................ 165 第 17 章 NS 中的卫星网络 ............................................................................................................... 168 17.1 卫星模型概述 .................................................................................................................................................................... 168 17.1.1 同步轨道卫星 ....................................................................................................................................................... 168 . 17.1.2 近地轨道卫星 ....................................................................................................................................................... 169 . 17.2 使用卫星扩展 .................................................................................................................................................................... 171 17.2.1 节点和节点位置 .................................................................................................................................................... 171 17.2.2 卫星链路 ............................................................................................................................................................... 172 17.2.3 切换 ....................................................................................................................................................................... 173 17.2.4 路由 ....................................................................................................................................................................... 175 17.2.5 Trace 支持 ............................................................................................................................................................. 176 17.2.6 差错模型 ............................................................................................................................................................... 177 17.2.7 其它配置选项 ....................................................................................................................................................... 177 . 17.2.8 nam 支持 ............................................................................................................................................................... 177 17.2.9 有线与无线节点的综合 ........................................................................................................................................ 177 17.2.10 示例场景 ............................................................................................................................................................. 178 17.3 实现 .................................................................................................................................................................................... 179 17.3.1 链表的使用 ........................................................................................................................................................... 179 . 9 NS 手册中文翻译小组作品 2007.12 17.3.2 节点结构 ............................................................................................................................................................... 179 17.3.3 卫星链路详述 ....................................................................................................................................................... 180 . 17.4 命令一览 ............................................................................................................................................................................ 182 第 18 章无线传播模型 ..................................................................................................................... 184 18.1 Free space(自由空间) 模型 ....................................................................................................................................... 184 18.2 Two-ray ground reflection(双径地面反射)模型 ................................................................................................... 184 . 18.3 Shadowing(阴影)模型 ................................................................................................................................................ 185 18.3.1 背景 ....................................................................................................................................................................... 185 18.3.2 Shadowing 模型的使用 ...................................................................................................................................... 186 18.4 通信范围 ............................................................................................................................................................................ 187 18.5 命令一览 ............................................................................................................................................................................ 187 第 19 章 ns 中的能量模型 ................................................................................................................ 189 19.1 能量模型的 C++类 .......................................................................................................................................................... 189 . 19.2 OTcl 接口 .......................................................................................................................................................................... 189 第 20 章定向扩散(Directed Diffusion) ..................................................................................... 191 20.1 什么是定向扩散? ............................................................................................................................................................ 191 20.2 ns 中的 diffusion 模型 ..................................................................................................................................................... 191 20.3 ns 中 diffusion 的一些 mac 方面的问题 ....................................................................................................................... 192 20.4 diffusion 中运用过滤器的 APIs ...................................................................................................................................... 192 20.5 Ping 一个 diffusion 应用实现的例子 ............................................................................................................................. 193 20.5.1 ping 应用程序的 c++实现 .................................................................................................................................. 193 20.5.2 ping 应用程序的 tcl API ...................................................................................................................................... 193 20.6 给 ns 添加 yr diffusion 应用程序的需求 ........................................................................................................................ 194 20.7 定向扩散的测试组 ............................................................................................................................................................ 195 20.8 命令一览 ............................................................................................................................................................................ 195 第 21 章 XCP:显式拥塞控制协议 ................................................................................................... 197 21.1 什么是 XCP? ................................................................................................................................................................ 197 21.2 在 ns 中实现 XCP ........................................................................................................................................................ 197 21.2.1 XCP 终端 ............................................................................................................................................................... 197 21.2.2 XCP 路由器 ........................................................................................................................................................... 198 21.2.3 XCP 队列 ............................................................................................................................................................... 199 21.3 XCP 示例脚本 ................................................................................................................................................................... 199 21.4 XCP 测试集 ....................................................................................................................................................................... 202 第 22 章延迟器(DelayBox): 每条数据流的时延与丢包 ............................................................... 204 10 NS 手册中文翻译小组作品 2007.12 22.1 实现细节 ............................................................................................................................................................................. 204 22.2 示例 .................................................................................................................................................................................... 205 22.3 命令一览 ............................................................................................................................................................................ 206 第 23 章在 NS-2.31 中实现 IEEE 802.15.4 的变化 ......................................................................... 207 23.1 关闭无线电(radio) ...................................................................................................................................................... 207 23.2 其它变化 ............................................................................................................................................................................ 208 第三篇支持 .................................................................................................................. 209 第 24 章 ns 调试 .............................................................................................................................. 210 24.1 Tcl 层次的调试 .................................................................................................................................................................. 210 . 24.2 C++层次的调试 ................................................................................................................................................................ 210 24.3 混合调试 Tcl 和 C ............................................................................................................................................................. 211 24.4 内存调试 ............................................................................................................................................................................ 212 24.4.1 使用 dmalloc ..................................................................................................................................................... 212 24.4.2 内存开销说明 ...................................................................................................................................................... 213 24.4.3 24.5 Dmalloc 收集的数据统计 ................................................................................................................................. 213 内存泄漏 .......................................................................................................................................................................... 213 24.5.1 OTcl ..................................................................................................................................................................... 213 24.5.2 C/C++ ................................................................................................................................................................ 214 第 25 章对数学的支持 ..................................................................................................................... 215 25.1 随机数生成器 .................................................................................................................................................................... 215 25.1.1 RNG 种子 ............................................................................................................................................................ 216 25.1.2 OTcl 支持 ............................................................................................................................................................ 218 . 25.1.3 C++支持成员函数: ....................................................................................................................................... 219 25.2 随机变量 ............................................................................................................................................................................ 220 25.3 积分 ..................................................................................................................................................................................... 221 25.4 ns-random ........................................................................................................................................................................ 222 25.5 一些数学支持相关的对象 ................................................................................................................................................ 222 25.6 命令一览 ............................................................................................................................................................................ 223 第 26 章对跟踪和监控的支持 .......................................................................................................... 225 26.1 对跟踪的支持 .................................................................................................................................................................... 225 26.1.1 Otcl 的帮助函数 ................................................................................................................................................... 226 26.2 类库的支持和示例 ............................................................................................................................................................ 226 26.3 C++的跟踪类 .................................................................................................................................................................... 228 26.4 跟踪文件格式 .................................................................................................................................................................... 229 26.5 包类型 ................................................................................................................................................................................ 232 11 NS 手册中文翻译小组作品 2007.12 26.6 队列监测 ............................................................................................................................................................................ 233 26.7 Per-flow 监测 ................................................................................................................................................................... 235 26.7.1 流监测 ................................................................................................................................................................... 235 26.7.2 流监测的跟踪格式 ................................................................................................................................................ 236 26.7.3 流的类 ................................................................................................................................................................... 236 26.8 命令一览 ............................................................................................................................................................................ 237 第 27 章对 Test Suite 的支持 ........................................................................................................ 240 27.1 Test Suite 组件 ................................................................................................................................................................ 240 27.2 编写一个 test suite .......................................................................................................................................................... 240 第 28 章 ns 代码风格 ....................................................................................................................... 243 28.1 缩进风格 ............................................................................................................................................................................ 243 28.2 变量命名约定 .................................................................................................................................................................... 243 28.3 其他约定 ............................................................................................................................................................................ 243 第四篇路由 .................................................................................................................. 244 第 29 章单播路由 ............................................................................................................................ 245 29.1 模拟管理的接口(The API) .......................................................................................................................................... 245 29.2 特殊路由的其他配置机制 ................................................................................................................................................ 246 29.3 协议专有的配置参数 ........................................................................................................................................................ 247 29.4 路由的实质和体系结构 .................................................................................................................................................... 248 29.4.1 类 ........................................................................................................................................................................... 249 29.4.2 动态网络和多径的接口 ......................................................................................................................................... 252 29.5 内部协议 ............................................................................................................................................................................ 253 29.6 单播路由对象 ..................................................................................................................................................................... 254 29.7 命令一览 ............................................................................................................................................................................. 254 第 30 章组播路由 ............................................................................................................................ 256 30.1 组播 API............................................................................................................................................................................. 256 30.1.1 组播行为的监控配置 ............................................................................................................................................ 257 30.1.2 协议的特殊配置 .................................................................................................................................................. 258 30.2 多播路由的内部细节 ......................................................................................................................................................... 260 30.2.1 类 ........................................................................................................................................................................... 260 30.2.2 ns 中其它类的扩展 ............................................................................................................................................ 261 30.2.3 协议的内部细节 .................................................................................................................................................... 264 30.2.4 内部变量 ............................................................................................................................................................... 266 30.3 命令一览 ............................................................................................................................................................................ 266 12 NS 手册中文翻译小组作品第 31 章 2007.12 动态网络 (Network Dynamics) ...................................................................................... 270 31.1 用户层接口 API ................................................................................................................................................................. 270 31.2 内部构造 ............................................................................................................................................................................ 272 31.2.1 类 rtModel ........................................................................................................................................................... 272 31.2.2 类 rtQueue ........................................................................................................................................................... 273 31.3 与单播路由的互动 ............................................................................................................................................................ 273 31.3.1 其他类的扩展 ....................................................................................................................................................... 273 . 31.4 目前网络动态 API 中的缺陷 ............................................................................................................................................ 274 31.5 命令一览 ............................................................................................................................................................................ 274 第 32 章分层路由(Hierarchical Routing) ..................................................................................... 276 32.1 分层路由概述 .................................................................................................................................................................... 276 32.2 分层路由的使用 ................................................................................................................................................................ 276 32.3 创建大规模分层拓扑 ........................................................................................................................................................ 278 32.4 带 SessionSim 的分层路由 ............................................................................................................................................. 278 32.5 命令一览 ............................................................................................................................................................................ 278 第五篇传送(Transport).......................................................................................... 280 第 33 章 UDP Agents ..................................................................................................................... 281 33.1 UDP Agents ...................................................................................................................................................................... 281 33.2 命令一览 ............................................................................................................................................................................. 281 第 34 章 TCP Agents ...................................................................................................................... 283 34.1 One-Way TCP Senders .................................................................................................................................................. 283 34.1.1 The Base TCP Sender (Tahoe TCP) ................................................................................................................. 283 34.1.2 配置 ..................................................................................................................................................................... 284 34.1.3 简单的配置 ......................................................................................................................................................... 284 . 34.1.4 其它配置参数 ....................................................................................................................................................... 284 . 34.1.5 Other One-Way TCP Senders .......................................................................................................................... 285 34.2 TCP Receivers (sinks) ..................................................................................................................................................... 286 . 34.2.1 The Base TCP Sink .............................................................................................................................................. 286 34.2.2 Delayed-ACK TCP Sink ...................................................................................................................................... 286 34.2.3 Sack TCP Sink ...................................................................................................................................................... 286 34.3 Two-Way TCP Agents (FullTcp) ................................................................................................................................... 287 . 34.3.1 Simple Configuration ........................................................................................................................................ 287 34.3.2 BayFullTcp ............................................................................................................................................................ 288 34.4 Architecture and Internals ............................................................................................................................................ 288 34.5 Tracing TCP Dynamics ................................................................................................................................................... 289 34.6 One-Way Trace TCP Trace Dynamics ......................................................................................................................... 289 13 NS 手册中文翻译小组作品 2007.12 34.7 One-Way Trace TCP Trace Dynamics ......................................................................................................................... 290 34.8 命令一览 ............................................................................................................................................................................ 290 第 35 章 SCTP 代理 ......................................................................................................................... 291 35.1 基类 SCTP 代理 ................................................................................................................................................................ 291 35.1.1 配置的参数 ........................................................................................................................................................... 292 . 35.1.2 命令 ....................................................................................................................................................................... 293 35.2 扩展 .................................................................................................................................................................................... 294 35.2.1 HbAfterRto SCTP ................................................................................................................................................ 294 35.2.2 MultipleFastRtx SCTP ........................................................................................................................................ 294 35.2.3 Timestamp SCTP ................................................................................................................................................ 295 35.2.4 MfrHbAfterRto SCTP ......................................................................................................................................... 295 35.2.5 MfrHbAfterRto SCTP ......................................................................................................................................... 295 35.3 动态跟踪 SCTP ................................................................................................................................................................. 295 35.4 SCTP 应用 .......................................................................................................................................................................... 296 35.5 脚本例子 ............................................................................................................................................................................ 297 35.5.1 单穴例子 ............................................................................................................................................................... 297 35.5.2 多穴例子 ............................................................................................................................................................... 297 第 36 章 Agent/SRM ..................................................................................................................... 300 36.1 配置 .................................................................................................................................................................................... 300 36.1.1 琐细的配置 ........................................................................................................................................................... 300 . 36.1.2 其它配置参数 ....................................................................................................................................................... 301 . 36.1.3 统计资料(Statisties) ....................................................................................................................................... 302 36.1.4 跟踪(Tracing) ................................................................................................................................................. 303 . 36.2 体系结构(Architecture)及内部(Internals) ......................................................................................................... 305 36.3 分组处理:处理接收到的消息(messages) .............................................................................................................. 306 36.4 丢包检测(Loss Detection)—SRMinfo 类 ............................................................................................................... 307 36.5 丢包恢复(Loss Recovery)对象 ................................................................................................................................. 307 . 36.6 Session 对象...................................................................................................................................................................... 309 36.7 扩展 Agent 基类 .............................................................................................................................................................. 309 . 36.7.1 固定的定时器(Fixed Timers) ........................................................................................................................ 309 36.7.2 适应性定时器(Adaptive Timers) ................................................................................................................. 309 36.8 SRM 对象 ........................................................................................................................................................................... 311 36.9 命令一览 ............................................................................................................................................................................ 311 第 37 章 PLM .................................................................................................................................. 313 37.1 配置 .................................................................................................................................................................................... 313 37.2 分组对(Packet Pair)数据源发生器 ........................................................................................................................... 314 . 37.3 PLM 协议的体系结构 ........................................................................................................................................................ 315 37.3.1 PLM 数据源(Source)的实例化 ...................................................................................................................... 315 14 NS 手册中文翻译小组作品 2007.12 37.3.2 PLM 接收器的实例化 .................................................................................................

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