Unlocking the Power. of OPNET Modeler WM CAMBRIDGE ZHENG LU HONGJI YANG UNIVERSITY PRESS

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1 Unlocking the Power of OPNET Modeler ZHENG LU HONGJI YANG WM CAMBRIDGE UNIVERSITY PRESS

2 Contents Preface List of abbreviations xi xiii Part I Preparation for OPNET Modeling l 1 Introduction 3 I. I Network modeling and simulation Introduction to OPNET OPNET Modeler Summary Theoretical background Simulation and principles of simulator Hybrid simulation 9 2 Installation of OPNET Modeler and setting up environments System requirements for using OPNET Modeler Installation on Windows Installation of OPNET Modeler Installation and configuration of Microsoft Visual C OPNET Modeler preferences for C/C++compiler Licensing Installation on Linux Installation of OPNET Modeler Installation and configuration of GCC compiler OPNET Modeler preferences for GCC compiler Licensing Theoretical background Compilation and linking options Simulation models compilation and linking 23

3 vi Contents 3 OPNET Modeler user interface Project management Modeler preferences OPNET editors Project Editor Node Editor Process Editor Link Editor Packet Format Editor ICI Editor PDF Editor Probe Editor Simulation Results Browser Animation Viewer Using OPNET documentation 39 Part II Modeling Custom Networks and Protocols 41 4 OPNET programming interfaces Introduction to OPNET programming OPNET API categorization Kernel APIs/Kernel Procedures (KPs) Distribution Package Packet Package Queue Package and Subqueue Package Statistic Package Segmentation and reassembly package Topology package Programming Support APIs Theoretical background Proto-C specifications Process model and external model access (EMA) program OPNET Modeler model programming external interfaces: co-simulation, external tool support (ETS) and OPNET Development Kit (ODK) 56 5 Creating and simulating custom models using OPNET APIs General procedure for creating and simulating custom models Custom models Case Case Case 3 70

4 Contents vii Case Case Case Case Model optimization and validation 96 6 High-level wrapper APIs Why and how to use wrapper APIs Wrapper APIs provided with the book Geo_Topo wrapper APIs Routing wrapper APIs Flow wrapper APIs How to write your own wrapper API Modeling with high-level wrapper APIs Revisit of previous case Creating connection-oriented communications Single flow Trunk of flows 119 Part III Modeling and Modifying Standard Networks and Protocols Modeling wired networks with standard models Client/server structure Creating a network model Task, application, and profile configurations Choosing and viewing statistic results Local area network Wide area IP network Automatic network deployment Summary Modeling wireless networks with standard models Basics of wireless modeling Wireless local area networks (WLANs) Communication within WLANs Communication between WLANs Wireless mobile networks Movement via trajectories Facilities for random mobility Movement via programming interfaces Automatic network deployment 148

5 viii Contents 10 Modifying standard models Introduction Case study 151 Part IV OPNET Modeling Facilities Debugging simulation Debugging facilities in OPNET Modeler Prerequisites for debugging Preparing simulation scenario Debugging with ODB Debugging with CDB/GDB Debugging with Microsoft Visual C++Debugger Debugging with animation OPNET programming in C Proto-C, C, and C++: language and library differences Memory management differences between Proto-C APIs and C/C++ standard library functions Proto-C data structures and algorithms packages, C++ standard template libraries (STL) and Boost C++ libraries Environment configurations for C++programming in OPNET Case study on programming OPNET models in C Traffic in OPNET simulation Introduction Explicit traffic Explicit traffic based on application Explicit traffic based on traffic generation parameters Explicit self-similar traffic based on raw packet generator (RPG) model Background traffic and hybrid simulation Background traffic based on baseline load Background traffic based on traffic flow External model access (EMA) What EMA is and reasons to use it EMA case study OPNET co-simulation with third-party programs Co-simulation with external programs 215

6 Contents Introduction Co-simulation with an external C program Creating simulation models Creating an external C co-simulation controller program Running co-simulation Co-simulation with other systems Co-simulation with MATLAB Setup of environment variables Modifying OPNET models and external code Model authoring and security Introduction Protecting a model Making a demo model Licensing a model 234 References Index

Unlocking the Power of OPNET Modeler

Unlocking the Power of OPNET Modeler For fast, easy modeling, this practical guide provides all the essential information you need to know. A wide range of topics is covered, including custom protocols,