Название: Издательство: CRC Press Автор: Ajit Kumar Nayak Satyananda Champati Rai , Rajib Mall ( Год:2016 Количество страниц:325 Язык:English Формат:pdf Размер:19 MbComputer Network Simulations Using NS2 provides a solid foundation of computer networking knowledge and skills, covering everything from simple operating system commands to the analysis of complex network performance metrics.
The book begins with a discussion of the evolution of data communication techniques and the fundamental issues associated with performance evaluation. After presenting a preliminary overview of simulation and other performance evaluation techniques, the authors:
Describe a number of computer network protocols and TCP/IP and OSI models, highlighting the networking devices used Explain a socket and its use in network programming, fostering the development of network applications using C and socket API Introduce the NS2 network simulator, exhibiting its internal architecture, constituent software packages, and installation in different operating systems Delve into simulation using NS2, elaborating on the use of Tcl and OTcl scripts as well as AWK scripting and plotting with Gnuplot Show how to simulate wired and wireless network protocols step by step, layer by layer Explore the idea of simulating very large networks, identifying the challenges associated with measuring and graphing the various network parameters Include nearly 90 example programs, scripts, and outputs, along with several exercises requiring application of the theory and programming
Computer Network Simulations Using NS2 emphasizes the implementation and simulation of real-world computer network protocols, affording readers with valuable opportunities for hands-on practice while instilling a deeper understanding of how computer network protocols work.
Table of Contents
Introduction Rapid Evolution of Voice and Data Communication Techniques Evolution of Computer Communication Networks Convergence of Data and Telecommunication Networks Integration of TCP/IP into Unix Queueing Theory Overview of Simulation A Few Basic Concepts in Simulation Discrete-Event Simulation Basics of Network Simulation Introduction to NS2 Common Mistakes in Simulation
Network Protocols TCP/IP Protocol Suite Terminology Architecture of TCP/IP Overview of the Operation of TCP Application Layer Protocols of TCP TCP/IP versus the ISO/OSI Model Adaptation of the TCP Window Improvement of TCP Performance Networking Devices
Network Programming Using Socket API Introduction Socket Interface Socket API I/O Multiplexing Concurrency Broadcasting
Introduction to NS2 Simulator Structure Simulator Input and Output NS2 Installation Steps NS2 Directories and Files Network Animator (NAM) NS2 Program Structure Summary
Basics of Protocol Simulation Using NS2 Tcl Program Execution Basic Programming Constructs Arrays Lists Dictionaries Procedures File Handling Object-Oriented Tcl (OTcl) AWK Scripting Gnuplot
Wired Network Simulation Introduction Step-by-Step Wired Network Simulation Visualization Using NAM Link Layer — Links and Queueing Network Layer — Routing Transport Layer — Transport Agents Packet Trace Application Layer — Traffic Generators Network Dynamics— Node/Link Failure Models Error Model
Wireless Network Simulation Wired Versus Wireless Network Simulation Step-by-Step Wireless Network Simulation Wireless Networking Modules Wireless Routing Wireless Trace Network Performance Metrics Practical Simulation Issues A Complete Example
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Computer Network Simulation Using NS2 
