Wire and Wireless Local Area Networks Simulation: OPNET Tutorial

Wire and Wireless Local Area Networks Simulation: OPNET Tutorial

Ali Maqousi (Petra University, Jordan) and Tatiana Balikhina (Petra University, Jordan)
DOI: 10.4018/978-1-4666-0191-8.ch024
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There has been a tremendous increase in the use of wire/wireless Local Area Networks (LAN) with different network configurations. Therefore, it is vital to have an accurate and a reliable generic platform to enable network developers, managers, security mangers, researchers, and students evaluating and investigating the performance of LANs of different technologies and configurations. Many network simulators have been developed throughout the years, such as: the Optimized Network Engineering Tool (OPNET), the Network Simulator (NS), the Global Mobile Simulator (GloMoSim), etc. One of the most widely-used and powerful general-purpose network simulators is OPNET, which is an object-oriented simulation environment. This chapter provides two walk through tutorials on using OPNET IT Guru (Academic Edition of OPNET) for wire/wireless LANs simulations. These tutorials demonstrate in step-by-step fashion, the procedures of initiating new simulation, setting up the simulation parameters, running the simulation, and viewing the results. The first tutorial (Tutorial #1) simulates a wired LAN of 10 computers and one server connected to a single switch, and the second tutorial (Tutorial #2) simulates a wireless ad hoc network of 10 mobile nodes and one server. This chapter demonstrates that OPNET IT Guru is a powerful tool that can be used by a range of professional users to simulate, evaluate, and investigate the performance of wire and wireless LANs. Moreover, it encourages and helps students to easily perform network simulation for better understanding of the network performance under different network conditions.
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There has been an impressive advancement in computer networks’ and Internet architecture, technologies, and protocols. Furthermore, it can be easily noticed that there has been an exponential growth in the use of Local Area Networks (LANs) that utilizes different communication technologies (wire and wireless), and also different network configurations. One enabling technology for such advancement and growth is the tremendous development in computer simulation methodologies and tools. Simulation tools enable and encourage network researchers and developers to easily and cost-effectively simulate, evaluate, and investigate the performance of LANs of different technologies and configurations to look for the most efficient, reliable, and cost-effective design.

Network developers use simulation and performance evaluation as an integral component of the development effort. The developers rely on the simulation model to provide guidance in choosing among alternative design choices, to detect bottlenecks in network performance, or to support cost-effective analyses. As part of this process, the developers may use the simulation output to modify the network abstraction, model, and implementation as opposed to the system itself, in order to include detail that may have not been considered in the previous abstraction, or to modify the network model or the implementation, for example to collect additional or alternative types of data (Sinclair, 2004; Law & Kelton, 2000).

The application of computer simulation can potentially improve the quality and effectiveness of the network model. In general, modeling and simulation can be considered as a decision support tool in deciding the optimum technology, design, and configuration of computer network. It provides us with a more economical and safer option in order to learn from potential mistakes - that is to say, it can reduce cost, risk, and improve the understanding of the real life networks that are being investigated. It also can be used to investigate and analyze the performance of the network model under extreme working environment.

Network simulation translates some aspects of the physical world into a mathematical model (description) followed by regenerating that model on a computer – which can be used instead of performing an actual physical task. For instance, simulations are widely used to evaluate the performance of routing protocols in wireless ad hoc networks characterized by presence of noise and high node mobility (Al-Bahadili & Kaabneh, 2010), measure packet delay in data networks (Fusk, et al., 2003), simulate TCP/IP applications (Ahmed & Shahriari, 2001). In addition, computer modeling and simulation can be used as a computer network learning tool (Asgarkhani, 2002).

It is generally unfeasible to implement computer networks algorithms before valid tests are being performed to evaluate their performance. It is clear that testing such implementations with real hardware is quite hard, in terms of the manpower, time, and resources required to validate the algorithm, and measure its characteristics in desired realistic environments. External conditions also can affect the measured performance characteristics. The preferred alternative is to model these algorithms in a detailed simulator and then perform various scenarios to measure their performance for various patterns of realistic computer networks environments (e.g., connection media, node densities, node mobility, radio transmission range, transmission environment, size of traffic, etc.).

Many network simulators have been developed throughout the years, such as: the Optimized Network Engineering Tool (OPNET) (OPNET Technologies, 2008), the Network Simulator (NS) (Fall & Varadhan, 2008), the global mobile simulator (GloMoSim) (GloMoSim, 2010; Nuevo, 2004), etc. One of the most widely–used and powerful general-purpose network simulators is OPNET, which is an object-oriented simulation environment. This chapter is concerned with OPNET, in particular, it concerns with the academic edition of OPNET modeler, namely, OPNET IT Guru.

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Editorial Advisory Board
Table of Contents
Hussein Al-Bahadili
Chapter 1
Omar Raoof, Hamed Al-Raweshidy
This chapter presents a game theory based routing algorithm that defines the best route based on the power consumption that each intermediate node... Sample PDF
Modelling and Simulation of Game Applications in Ad Hoc Wireless Networks Routing
Chapter 2
Omar Raoof, Hamed Al-Raweshidy
This chapter proposes a novel game-based green interface/network selection mechanism that is an extension to the multi-interface fast-handover... Sample PDF
Simulating Game Applications in Mobile IPv6 Protocol
Chapter 3
Alexander Garcia D., Lina Escobar P., Andres Navarro C., Fabio G. Guerrero, Enrique Stevens-Navarro
This chapter begins by introducing the problem of vertical handoff in heterogeneous wireless networks and illustrates the lack of a proper... Sample PDF
Evaluation Model for Vertical Handoff Algorithms
Chapter 4
Alexander Garcia D., Andres Navarro C., Adriana Arteaga A., Fabio G. Guerrero, Enrique Stevens-Navarro
Computer simulation is an important tool for the study and analysis of communication networks. In the case of simulation of Vertical Handoff... Sample PDF
Simulation of Vertical Handoff Algorithms for Heterogeneous Wireless Networks
Chapter 5
Nurul I. Sarkar, Roger McHaney
Stochastic discrete event simulation methodology is becoming increasingly popular among network researchers worldwide in recent years. This... Sample PDF
Modeling and Simulation of IEEE 802.11 Wireless LANs: A Case Study of a Network Simulator
Chapter 6
Umar Toseef, Manzoor Ahmed Khan
In its most generic sense, the user-centric view in telecommunications considers that the users are free from subscription to any one network... Sample PDF
OPNET Simulation Setup for QoE Based Network Selection
Chapter 7
Alfonso Ariza, Alicia Triviño
In this chapter, the authors present a brief description of the OMNeT++ network simulator with the main emphasis on the InetManet framework. This... Sample PDF
Simulation of Multihop Wireless Networks in OMNeT++
Chapter 8
Hussein Al-Bahadili, Alia Sabri
In the current dynamic probabilistic algorithm, the retransmission probability (pt) has always been formulated as a linear/non-linear function of a... Sample PDF
Simulation of a Dynamic-Noise-Dependent Probabilistic Algorithm in MANETs
Chapter 9
Hussein Al-Bahadili, Azmi Halasa
In a Mobile Ad Hoc Network (MANET), a mobile node consumes its power in message communication, message processing, and other operation missions. The... Sample PDF
A Location-Based Power Conservation Scheme for MANETs: A Step towards Green Communications
Chapter 10
Hussein Al-Bahadili, Abdel Rahman Alzoubaidi, Ali Al-Khalidi
Dynamic (reactive or on-demand) routing protocols used in wireless ad hoc networks suffer from transmitting a huge number of control packets during... Sample PDF
Comparing Various Route Discovery Algorithms in Ad Hoc Wireless Networks
Chapter 11
Miroslav Škoric
Computer programs that radio amateurs use in their packet radio networks give various opportunities in simulating real data communication systems.... Sample PDF
Simulation in Amateur Packet Radio Networks
Chapter 12
Hussein Al-Bahadili, Haitham Y. Adarbah
The Transport Control Protocol (TCP) is the dominant transport layer protocol in the Internet Protocol (IP) suite, as it carries a significant... Sample PDF
Modeling of TCP Reno with Packet-Loss and Long Delay Cycles
Chapter 13
Abdullah Rashed, Henrique M.D. Santos
In the wireless era, digital users in the electronic world (e-world) are represented by sets of data called Digital Identities (ID), which they use... Sample PDF
Wireless Identity Management: Multimodal Biometrics and Multilayered IDM
Chapter 14
Ali H. Al-Bayatti, Hilal M. Al-Bayatti
This chapter provides a detailed description of a framework for designing, analyzing, deploying, and enforcing high level security management for... Sample PDF
Security Management and Simulation of Mobile Ad Hoc Networks (MANET)
Chapter 15
Hussein Al-Bahadili, Shakir M. Hussain, Ghassan F. Issa, Khaled El-Zayyat
A Mobile Ad Hoc Network (MANET) suffers from high packet-loss due to various transmission impairments, such as: wireless signal attenuation, free... Sample PDF
Investigating the Performance of the TSS Scheme in Noisy MANETs
Chapter 16
Ali H. Hadi, Hussein Al-Bahadili
This chapter presents the detail description of a Port-Knocking (PK) technique, which should avert all types of port attacks and meets all other... Sample PDF
A Hybrid Port-Knocking Technique for Host Authentication
Chapter 17
Alaa Hussein Al-Hamami
The continuous deployment of network services over the wide range of public and private networks has led to transactions and services that include... Sample PDF
The State of the Art and Future Prospective of the Network Security
Chapter 18
Souheil Khaddaj, Bippin Makoond
The Telecoms market is demanding more services which involve an increased mobile accessibility to the Internet, real time video transmission, real... Sample PDF
Toward Distributed QoS Driven Wireless Messaging Infrastructure
Chapter 19
Ciprian Dobre
The use of discrete-event simulators in the design and development of Large Scale Distributed Systems (LSDSs) is appealing due to their efficiency... Sample PDF
A Simulation Model for Large Scale Distributed Systems
Chapter 20
Muzhir Shaban Al-Ani
The tremendous use of telecommunication services and the existence of various types of mobile devices and networks impose a huge need for a new... Sample PDF
Future Approach of Next Generation Cellular Mobile Communications
Chapter 21
Sattar J. Aboud
Simulation is employed widely to evaluate complicated systems involving telecommunication networks. This chapter reviews and evaluates different... Sample PDF
Evaluation of Simulation Models
Chapter 22
Jafar Ababneh, Hussein Abdel-Jaber, Firas Albalas, Amjad Daoud
Computer simulation is widely-used in investigating the performance of existing and proposed systems in many areas of science, engineering... Sample PDF
Analyzing and Evaluating Current Computer Networks Simulation Models
Chapter 23
Shao Ying Zhu, Gerald Schaefer
Computer networks have evolved dramatically in recent years and consequently qualified and experienced network administrators are highly sought... Sample PDF
Network Simulation Tools for Supporting Teaching in Computer Networks
Chapter 24
Ali Maqousi, Tatiana Balikhina
There has been a tremendous increase in the use of wire/wireless Local Area Networks (LAN) with different network configurations. Therefore, it is... Sample PDF
Wire and Wireless Local Area Networks Simulation: OPNET Tutorial
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