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, programming in C++, External Model Access (EMA) modeling and co-simulation with external systems, giving you the guidance not provided in the OPNET documentation. A set of high-level wrapper APIs is also included to simplify programming custom OPNET models, whether you are a newcomer to OPNET or an experienced user needing to model efficiently. From the basic to the advanced, you will find topics are easy to follow with theory kept to a minimum, many practical tips and answers to frequently asked questions spread throughout the book and numerous step-by-step case studies and real-world network scenarios included.

Zheng Lu received his Ph.D. from the University of Essex, after which he stayed on to research optical networks and wireless sensor networks. He is experienced in modeling network protocols and has many years of experience using OPNET Modeler in his research and laboratory demonstrations. Hongji Yang is currently a Professor at the Software Technology Research Laboratory, De Montfort University. He received his Ph.D. from Durham University in 1994 and was a main contributor to the Distributed Computer Networks project sponsored by the Chinese Ministry of Education, 1982-1986.

Preface	p. xi
List of abbreviations	p. xiii
Preparation for OPNET Modeling	p. 1
Introduction	p. 3
Network modeling and simulation	p. 3
Introduction to OPNET	p. 4
OPNET Modeler	p. 5
Summary	p. 6
Theoretical background	p. 6
Simulation and principles of simulator	p. 6
Hybrid simulation	p. 9
Installation of OPNET Modeler and setting up environments	p. 11
System requirements for using OPNET Modeler	p. 11
Installation on Windows	p. 11
Installation of OPNET Modeler	p. 12
Installation and configuration of Microsoft Visual C++	p. 15
OPNET Modeler preferences for C/C++ compiler	p. 17
Licensing	p. 19
Installation on Linux	p. 20
Installation of OPNET Modeler	p. 20
Installation and configuration of GCC compiler	p. 21
OPNET Modeler preferences for GCC compiler	p. 21
Licensing	p. 22
Theoretical background	p. 23
Compilation and linking options	p. 23
Simulation models compilation and linking	p. 23
OPNET Modeler user interface	p. 24
Project management	p. 24
Modeler preferences	p. 26
OPNET editors	p. 29
Project Editor	p. 29
Node Editor	p. 31
Process Editor	p. 31
Link Editor	p. 32
Packet Format Editor	p. 32
ICI Editor	p. 34
PDF Editor	p. 35
Probe Editor	p. 35
Simulation Results Browser	p. 37
Animation Viewer	p. 37
Using OPNET documentation	p. 39
Modeling Custom Networks and Protocols	p. 41
OPNET programming interfaces	p. 43
Introduction to OPNET programming	p. 43
OPNET API categorization	p. 44
Kernel APIs/Kernel Procedures (KPs)	p. 45
Distribution Package	p. 46
Packet Package	p. 49
Queue Package and Subqueue Package	p. 51
Statistic Package	p. 51
Segmentation and reassembly package	p. 52
Topology package	p. 52
Programming Support APIs	p. 54
Theoretical background	p. 54
Proto-C specifications	p. 54
Process model and external model access (EMA) program	p. 56
OPNET Modeler model programming external interfaces: co-simulation, external tool support (ETS) and OPNET Development Kit (ODK)	p. 56
Creating and simulating custom models using OPNET APIs	p. 58
General procedure for creating and simulating custom models	p. 58
Custom models	p. 59
Case 1	p. 59
Case 2	p. 68
Case 3	p. 70
Case 4	p. 74
Case 5	p. 79
Case 6	p. 83
Case 7	p. 95
Model optimization and validation	p. 96
High-level wrapper APIs	p. 100
Why and how to use wrapper APIs	p. 100
Wrapper APIs provided with the book	p. 101
Geo_Topo wrapper APIs	p. 102
Routing wrapper APIs	p. 104
Flow wrapper APIs	p. 106
How to write your own wrapper API	p. 107
Modeling with high-level wrapper APIs	p. 110
Revisit of previous case	p. 110
Creating connection-oriented communications	p. 112
Single flow	p. 114
Trunk of flows	p. 119
Modeling and Modifying Standard Networks and Protocols	p. 123
Modeling wired networks with standard models	p. 125
Client/server structure	p. 125
Creating a network model	p. 125
Task, application, and profile configurations	p. 127
Choosing and viewing statistic results	p. 131
Local area network	p. 132
Wide area IP network	p. 132
Automatic network deployment	p. 134
Summary	p. 135
Modeling wireless networks with standard models	p. 137
Basics of wireless modeling	p. 137
Wireless local area networks (WLANs)	p. 138
Communication within WLANs	p. 138
Communication between WLANs	p. 140
Wireless mobile networks	p. 143
Movement via trajectories	p. 143
Facilities for random mobility	p. 146
Movement via programming interfaces	p. 148
Automatic network deployment	p. 148
Modifying standard models	p. 151
Introduction	p. 151
Case study	p. 151
OPNET Modeling Facilities	p. 165
Debugging simulation	p. 167
Debugging facilities in OPNET Modeler	p. 167
Prerequisites for debugging	p. 168
Preparing simulation scenario	p. 168
Debugging with ODB	p. 169
Debugging with CDB/GDB	p. 175
Debugging with Microsoft Visual C++ Debugger	p. 177
Debugging with animation	p. 179
OPNET programming in C++	p. 182
Proto-C, C, and C++: language and library differences	p. 182
Memory management differences between Proto-C APIs and C/C++ standard library functions	p. 182
Proto-C data structures and algorithms packages, C++ standard template libraries (STL) and Boost C++ libraries	p. 184
Environment configurations for C++ programming in OPNET	p. 185
Case study on programming OPNET models in C++	p. 187
Traffic in OPNET simulation	p. 194
Introduction	p. 194
Explicit traffic	p. 194
Explicit traffic based on application	p. 195
Explicit traffic based on traffic generation parameters	p. 196
Explicit self-similar traffic based on raw packet generator (RPG) model	p. 197
Background traffic and hybrid simulation	p. 200
Background traffic based on baseline load	p. 201
Background traffic based on traffic flow	p. 202
External model access (EMA)	p. 207
What EMA is and reasons to use it	p. 207
EMA case study	p. 208
OPNET co-simulation with third-party programs	p. 215
Co-simulation with external programs	p. 215
Introduction	p. 215
Co-simulation with an external C program	p. 216
Creating simulation models	p. 217
Creating an external C co-simulation controller program	p. 221
Running co-simulation	p. 224
Co-simulation with other systems	p. 225
Co-simulation with MATLAB	p. 225
Setup of environment variables	p. 226
Modifying OPNET models and external code	p. 226
Model authoring and security	p. 232
Introduction	p. 232
Protecting a model	p. 232
Making a demo model	p. 234
Licensing a model	p. 234
References	p. 236
Index	p. 237
Table of Contents provided by Ingram. All Rights Reserved.

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Unlocking the Power of OPNET Modeler

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