Free PDF The Practical OPNET User Guide for Computer Network Simulation
Free PDF The Practical OPNET User Guide for Computer Network Simulation
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The Practical OPNET User Guide for Computer Network Simulation
Free PDF The Practical OPNET User Guide for Computer Network Simulation
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About the Author
Dr. Adarshpal S. Sethi is a professor in the Department of Computer and Information Sciences at the University of Delaware, where he currently teaches a course on the simulation of computer networks that is based entirely on the use of OPNET for network simulation. Dr. Sethi is a member of the editorial boards of the IEEE Transactions on Network and Service Management, International Journal of Network Management, and Electronic Commerce Research Journal. His research interests include architectures and protocols for network management, fault management, management of wireless networks, and network simulation and modeling. Dr. Vasil Y. Hnatyshin is an associate professor in the Department of Computer Science at Rowan University, where he has successfully integrated OPNET software into courses such as data communications and computer networks and TCP/IP and Internet technologies. His research interests include QoS in the Internet, TCP/IP networks, location-aided routing in mobile ad hoc networks, network security, wireless communication, and network simulation and modeling.
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Product details
Hardcover: 527 pages
Publisher: Chapman and Hall/CRC; 1 edition (August 24, 2012)
Language: English
ISBN-10: 1439812055
ISBN-13: 978-1439812051
Product Dimensions:
6.5 x 1.5 x 9.8 inches
Shipping Weight: 1.8 pounds
Average Customer Review:
4.4 out of 5 stars
3 customer reviews
Amazon Best Sellers Rank:
#1,329,103 in Books (See Top 100 in Books)
This book is excellent. I would highly recommend it for anyone interested in learning to use OPNET for network and application simulation and modeling. The first 4 chapters walk you through the fundamentals of using OPNET better than I have seen any other materials do so. Later chapters get involved with each of the protocol layers. The benefit here is not only do they cover working with OPNET from the Transport, Network and Link Layer, but they go through all of the configurable parameters of these layers that is an excellent refresher, or update as it it up to date. (example TCP Tahoe, TCO Reno, Tcp Reno-new, and SACK are all covered, along with their differences). In fact, it is possible you work in networking and may have never seen this level of detail that the parameters expose you to. In this case it will be an excellent education on the workings of error/recovery and performance of each of the protocols. This is the theme throughout each of the layers from Transport layer 4 down to Link Layer 2.The book also has labs. The first two are very basic in working with OPNET and the first is step by step helping you to work through your first real usage of the OPNET tool. In the second, the lab has you build your first network, with additional help similar to the first Lab. What is rather unique, and I find it excellent, the more advanced labs that follow starting with lab 3 do not give you step by step instructions. They provide the steps required to complete the lab, and reference the chapters in the book, be it the basics chapters 1-4, or the protocol/application specific chapters 5-9. This requires at this point you know the detailed steps to perform each step, but provides a reference back to the section of the book where the more detailed "step by step" is provided. The benefit here is it focuses on the goal of the lab and not the tool, but if you need to peak back and refresh the detail, it is there. I like this form of learning. As the authors point out, rarely do you learn anything if you are shown step by step in every problem. (It is akin to when you too calculus I verses advanced calculus 3 and beyond. In calculus I every step is detailed across 20 pages, mostly algebraic manipulation to get the equation in a form to finally perform the one step integration or differentiation. Later on in more advanced classes if they went to that level of detail, which by calculus 3 should be well exercised and understood, they would never get through the material, and you would be forced to be bored to death.) In this case the authors provide the pointers back to the detailed steps, but focus on the more advanced problem. So if you think about it, this is the way you learned all your life. It is very natural.I highly recommend this book for those using OPNET, or considering using OPNET for modeling and simulation. For capacity planning, for Application, systems and networks scalability, today, you often rarely get the time to do capacity planning and performance analysis the way it should be done. While GCAP (Neil Gunther) is a more succinct method verses the full "operations research" methods, if you are using GCAP to do 'zero time" scalability assessment, OPNET is a great tool that allows you to tweak parameters and show the performance changes. Today everything is "I need it yesterday", and everything is either "Time to market", or "get close to real-time" aka Low Latency, low Jitter across multiple industry verticals. OPNET alone is an excellent tool. Augmenting scalability analysis with modeling and simulation is even more powerful.While this book only scratches the surface of OPNET, it is well designed and written to get you working with real day to day OPNET that will improve performance and/or understanding of existing infrastructure, and allow the "What if" scenarios recommended in a design to be seen before they $$$ are spent on implementation. OPNET is a powerful took, and can be used to model and simulate new protocols, and hardware designs as well. This is beyond the scope of this book, however this is the best material I have seen on getting started with OPNET to date.The only negative is that unfortunately the authors do ask questions you should be able to answer if you were successful in completing the labs.However, it is possible to complete the labs and have incorrect results as OPNET is a complex tool. The authors do not provide the answers to the questions in the book, or even on a website if they didn't want to include it in the book. I also did not find even an email address, often provided by authors writing this type of book, to facilitate asking if they can be had. An excellent book, what a sad oversight detail.Lastly, it is printed on acid-free paper, so it won't yellow. However given the subject matter, OPNET will continue to evolve and hence the material in the book will become obsolete before the paper would even turn yellow if not printed on acid-free paper. OPNET will change, the protocols will change, so the shelf life is akin to the acid-free books I have on ATM, and FDDI. Not a big deal, but if they thought enough to put it on acid-free paper for longevity, why not provide some way to obtain the answers to the questions?? This really bugs me, and in a way, without being able to validate my labs were done correctly, it is like doing a math problem, getting it wrong, thinking you got it right, and moving onward with confidence that you shouldn't have! So I rate the more advanced labs usefulness questionable at this point, if not near worthless. I simply don't believe they didn't consider inclusion/exclusion given how well the book covers material and is well designed. So I have to say this was a poor decision, and I almost deducted two full stars. You don't do the lab's, unless you have a photographic memory, you won't learn to use the tool. Not knowing your labs are correct is simply poor.MJD
I struggled for months with the academic version of Riverbed (formerly OPNET) Modeler. My masters project was Modeler-based but my school got rid of the University Edition which did have some documentation available. The academic edition had zero documentation or support other than forums you could search or ask for help. Most questions went unanswered. This book was an indispensable resource. There were a few specialty areas that were only briefly touched upon, but overall this was a very thorough manual on how to use Modeler and I couldn't have finished my project using the academic version of Modeler without this resource. The back of the book also had many useful labs/examples to help practice and reinforce the learning.
This is the best book available. OPNet has terrible documentation and their Help desk is legendary for lack of service. I have in writing from one of their senior Help Desk reps - "We do not care about your deliverables."
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