Since its inception in 1989, NS2 has continuously gained tremendous interest from industry, academia, and government. We hope that this book can reduce your NS2 learning curve from years to months, or from months to weeks.Ībout NS2 NS2 is an open-source event-driven simulator designed specifically for research in computer communication networks. We wrote this book to ease your pain caused by NS2. In fact, we expected you to experience a part, if not all, of our unpleasant experience. We would not be surprised if our story above sounds particularly familiar to you. From our experience, it takes months, if not years, to truly understand NS2. Bits by bits, we began to understand how NS2 does a certain thing, but perhaps more importantly why NS2 does so. After the graduation, we revisited NS2 and tried to understand it more. We were not satisfied with our knowledge about NS2. Our program was as good as it was necessary to close the project. So we were running out of time we pushed out and submitted our project/thesis as it was. We spent an endless amount of time, trying to understand the way NS2 moves a packet from one node to another. We spent days and nights on many operating systems just to make NS2 run on one of the systems we have. We did not find most of what we were looking for. We posted our question on every mailing list, every online forums we can think of. We looked over the Internet, but, at the time, there were very little material on the Internet. We were pushed to work with NS2, when we did not know what to do. This book was motivated by our frustration when we were graduate students. Motivation for Writing This Book First of all, we would like to thank you for your interest in this book. Printed on acid-free paper Springer is part of Springer Science+Business Media (To our families The use in this publication of trade names, trademarks, service marks, and similar terms, even if they are not identified as such, is not to be taken as an expression of opinion as to whether or not they are subject to proprietary rights. Use in connection with any form of information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed is forbidden. This work may not be translated or copied in whole or in part without the written permission of the publisher (Springer Science+Business Media, LLC, 233 Spring Street, New York, NY 10013, USA), except for brief excerpts in connection with reviews or scholarly analysis. Thungsonghong, Laksi Bangkok 10210 Thailand Įkram Hossain Department of Electrical and Computer Engineering University of Manitoba 75A Chancellor’s Circle 15 Winnipeg, MB R3T 5V6 Canada Teerawat Issariyakul TOT Public Company Limited 89/2 Moo 3 Chaengwattana Rd. Introduction to Network Simulator NS2 Second Edition
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