Communication Networking : An Analytical Approach (The Morgan Kaufmann Series in Networking) (The Morgan Kaufmann Series in Networking)

Book Description

The viewpoint is that communication networking is about efficient resource sharing. The focus is on the three building blocks of communication networking, namely, multiplexing, switching and routing. The approach is analytical, with the discussion being driven by mathematical analyses of and solutions to specific engineering problems.

The result? A comprehensive, effectively organized treatment of core engineering issues in communication networking. Written for both the networking professional and for the classroom, this book covers fundamental concepts in detail and places design issues in context by drawing on real world examples from current technologies.

·Systematically uses mathematical models and analyses to drive the development of a practical understanding of core network engineering problems.
·Provides in-depth coverage of many current topics, including network calculus with deterministically-constrained traffic, congestion control for elastic traffic, packet switch queuing, switching architectures, virtual path routing, and routing for quality of service.
·Includes over 200 hands-on exercises and class-tested problems, dozens of schematic figures, a review of key mathematical concepts, and a glossary.

Customer Reviews:

Excellent.......2006-03-17

At the present time simulation modeling is the most popular method for understanding the behavior of complex networks. With the availability of fairly inexpensive commercial packages for doing simulations, network designers and network performance analysts can now gain insight into the collective behavior of network devices such as servers, routers, and switches with a high degree of accuracy. This accuracy however comes at the expense of simulation time, and with the complexity of networks increasing every year, it is becoming more advantageous to use some kind of optimization procedure in simulations to cut down on the simulation time. Another approach for decreasing the simulation time is to use hybrid models that combine both analytical methods and simulation. Analytical methods by themselves frequently use assumptions that sacrifice accuracy or are not scalable to real networks. These methods do however allow tremendous insight into how network components behave, and if one is to use hybrid simulations one must understand in detail the analytical methods that are used. This book is one of the best available for the study of analytical modeling in communication networks. It covers wireless networks, and gives detailed overviews of the behavior of the TCP/IP protocol, deterministic and stochastic modeling, and the mathematical modeling of switches and routers. Only chapters 4, 5, and 7 were read by this reviewer, and so only these will be reviewed here.

Chapter 4 in particular is an overview of the `network calculus', which has been widely discussed in the literature for quite some time. The approach of network calculus is interesting and somewhat perplexing at first glance since networks are inherently stochastic in nature. Network calculus however attempts to place deterministic bounds on the network traffic, and offers worst case performance guarantees to network providers. The provisioning of a real network could not be done solely with the network calculus, since one will obtain an overestimation of the bandwidth assignments, etc, but it still provides useful insights into how to design a network for particular traffic loads. It is also interesting in that it can still obtain performance bounds for complex networks composed of many different devices. Those readers who have only limited mathematical preparation will find the presentation of the network calculus very accessible, if compared with chapter 5 which uses more advanced mathematical constructions. The authors have chosen to put the mathematical proofs of the main results in the appendices of the book, and this should also make the reading more palatable for the reader less astute mathematically. Of particular interest is the introduction of the convolution operator and its use for obtaining network `service curves' and a network process with an `envelope.' The authors illustrate the relevance of these mathematical constructions by showing how to use them to obtain the minimum link capacity required so that an arrival process has delay less than a pre-selected time. Also useful is their discussion of weighted fair queuing and how it can be understood in the framework of the network calculus. As a real example of the network calculus, they discuss voice traffic, which is a timely one considering the increasing importance of voice over IP (VOIP).

To avoid the over-provisioning of real networks by the use of the (deterministic) network calculus requires that one deal with their stochastic nature. This is done in chapter 5, wherein the authors give an exceptionally fine discussion. More mathematically sophisticated than chapter four, the discussion naturally includes that of Markov chains. The authors also give a proof of Little's theorem, which is a kind of `ergodic theorem' for network traffic and which gives an `average' performance measure. They avoid the use of measure theory in the proof, again making the presentation accessible to a wider readership. Little's theorem is used to show that the mean time that a packet spends in a multiplexer does not depend on the scheduling policy (although the higher moments do). Some queuing theory is discussed in this chapter also, with the most important discussion being that of the analysis of a multiplexer with minimal assumptions on the arrival processes. This analysis leads to the very important notion of the `effective bandwidth', the use of which leads to more optimal deployments of quality of service (QoS). The discussion of the effective bandwidth in this chapter leads to one on the Gartner-Ellis theorem and the very important topic of long-range dependence in network data. The latter topic is not discussed in detail in the book, since it must be done using the theory of large deviations, which is too mathematically advanced to be included in the book.

The dynamics of the TCP/IP protocol is extremely complicated, as anyone who has dealt with real networks will attest to. The study of TCP/IP dynamics has resulted in an enormous amount of literature, and there are indications that it is `chaotic', at least for some traffic patterns. The presentation in this book does not address the dynamics in such generality, but it does give an excellent overview of TCP/IP in the context of `adaptive bandwidth sharing.' Both the slow-start and congestion avoidance phases of TCP are discussed using elementary mathematics, including descriptions of the TCP evolution after buffer overflow, and congestion avoidance with timeout and fast recovery. The authors also include a more advanced treatment using stochastic processes and quote the famous PFTK formula for the `goodput' of the Reno version of TCP. Random early discard (RED) and explicit congestion notification (ECN) are also discussed, but interestingly, in the context of a deterministic dynamical system modeled by a differential equation. In addition, they discuss the long-range dependence of traffic under TCP via the use of the Pareto distribution. All of this analysis prepares the reader for more advanced treatments in the literature, the latter of which shows that the dynamical behavior of TCP is extremely complex, and requiring extreme caution in its analysis via real network data.

A fantastic book for solid foundation in communications.......2005-12-20

The book provides an excellent foundation for the students in the communications domain. Moreover, the text presented equals the class of work prevailing at any top reseach institions in the world.

What I liked most was the authors piecemeal and self-explainatory approach to network systems by focussing on the key issues and providing insights to various analytic approaches.

This book in my knowledge is the best to cover ground work before pursuing hardcore research in wireless communications.

In addition, the author's wide expereince has enabled him to pose problems from wide spectrum of communication arena.

A very good book and must for a networking researcher.......2004-05-28

Communication Networks by Anurag and others is a fantastic book and is worth to be in the shelf of every researcher. The book provides excellent references to wired and wireless advances that have happened in past 15 years by giving a very good mathematical approach. All equations are clearly explained with proper intuitions. If one does not have time to go through papers in networking area, a go through of this book will sufficiently equip the person about recent trends and advances in networking.

On the other side, the authors can improve the language, of some chapters, give more examples and solutions to excercises in the future editions.

Average customer rating:

Disappointing

Great Book

weeds:control without poisons

Good job

American Weeds

Weeds, Control Without Poisons
Charles Walters
Manufacturer: Acres U.S.A.
ProductGroup: Book
Binding: Paperback

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Similar Items:

Eco-Farm, An Acres U.S.A. Primer: The definitive guide to managing farm and ranch soil fertility, crops, fertilizers, weeds and insects while avoiding dangerous chemicals

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The Albrecht Papers, Vol II (Albrecht Papers)

Hands-On Agronomy

Building Soils for Better Crops (Sustainable Agriculture Network Handbook Series, Bk. 4)

ASIN: 0911311254

Book Description

"Low biological activity is inherent in each weed problem ... Each weed is keyed to a specific environment slotted for its proliferation." So says Weeds — Control Without Poisons author Charles Walters. Further, calcium, magnesium, potassium and other elements in equilibrium are likely to roll back more weeds than all the available herbicides on the market.

Specifics on a hundred weeds, why they grow, what soil conditions spur them on or stop them, what they say about your soil, and how to control them without the obscene presence of poisons. All cross-referenced by scientific and various common names, and a pictorial glossary.

Customer Reviews:

Disappointing.......2007-07-30

I was really excited when I first started to read this book. The first few chapters are great -- there is a lot of detail about what situations cause what weeds. However, most of the rest of the book deals with the evils of 2-4, D, chemical company conspiracies, and other rhetoric. I feel that the title is a bit misleading . . . very little reference to actually getting rid of the weeds. There is a nice compedium of weeds in the back--which might be useful if you don't already have one (I do.)Overall, I think this book focuses too much on the author's ideals and too little actual what we can do to improve our situation. Not to mention it contradicts other ACRES publications (ex. Hands On Agronomy is a proponet of deep tillage but WCWP is against.) I am still looking for a practical organic weed control manual if anyone has any suggestions.

Great Book.......2006-11-13

Concise, well written, informative. Lots of applicable information. Will make use of many of the ideas presented within.

weeds:control without poisons.......2006-07-14

I had my weeds identified at the local Ag office and only 1 was in the book and Mr Walters never said how to or what to do to control it w/o poison, plus it was not written in laymans language.There was very little reference to any other weeds and how to control them w/o poisons.

Good job.......2006-02-25

Charles Walters definitely knows what he is talking about- he shares his firsthand experience in a friendly, easy to read way.

American Weeds.......1999-12-10

A very good book extremely informative to bad it focusses on North America only. The author could have included an index of other continents for the species for the less educated of us.

Average customer rating:

Weeds Control Without Poisons
Charles Walters
Manufacturer: Acres USA
ProductGroup: Book
Binding: Paperback
ASIN: B000P1VGN4

Book Description

The simulation of turbulent reacting flows, connected with environmental protection and the design of chemical and mechanical processes, is increasingly important. Statistical Mechanics of Turbulent Flows presents a modern overview of basic ways to calculate such flows. It discusses the fundamental problems related to the use of basic equations and their modifications. Special emphasis is placed on the discussion of very promising statistical methods which provide solutions to these problems by models for the underlying stochastic physics of turbulent reacting flows. Their foundations and important new developments up through current challenges are systematically explained. Students and researchers in atmospheric sciences and oceanography, mechanical and chemical engineering and applied mathematics and physics may use Statistical Mechanics of Turbulent Flows as a guide to solve many problems related, e.g. to the assessment of complex atmospheric chemistry, chemical reactor processes, turbulent combustion, and multi-phase flows.

Statistical Theory and Modeling for Turbulent Flows

Average customer rating:

many print errors
Student's perspective

Statistical Theory and Modeling for Turbulent Flows
P. A. Durbin , and B. A. Pettersson Reif
Manufacturer: Wiley
ProductGroup: Book
Binding: Paperback

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Turbulent Flows

ASIN: 0471497444

Book Description

Most natural and industrial flows are turbulent. The atmosphere and oceans, automobile and aircraft engines, all provide examples of this ubiquitous phenomenon. In recent years, turbulence has become a very lively area of scientific research and application, and this work offers a grounding in the subject of turbulence, developing both the physical insight and the mathematical framework needed to express the theory. Providing a solid foundation in the key topics in turbulence, this valuable reference resource enables the reader to become a knowledgeable developer of predictive tools.
This central and broad ranging topic would be of interest to graduate students in a broad range of subjects, including aeronautical and mechanical engineering, applied mathematics and the physical sciences. The accompanying solutions manual to the text also makes this a valuable teaching tool for lecturers and for practising engineers and scientists in computational and experimental and experimental fluid dynamics.

Customer Reviews:

many print errors.......2007-09-24

There are a lot of print errors in this book. Nearly all the equations are not right. I asked some other persons who also bought this book. This problem is very common. May you find a solution about this problem?
3x.

Student's perspective.......2007-09-05

I bought this book as required reading for a class. It's pretty clear and easy to understand, although I have the advantage that my professor is one of the authors. Concepts are explained well, with examples.

The major problem with this book is that for some reason, all the horizontal lines are missing from the equations. So there are no fraction bars, and it's really hard to tell where an average is meant, as opposed to a random variable. I wouldn't recommend this book to someone without a background in basic statistics, because the math would be nearly impossible to follow.

Hydrodynamic and Magnetohydrodynamic Turbulent Flows: Modelling and Statistical Theory (Fluid Mechanics and Its Applications)

Average customer rating:

Hydrodynamic and Magnetohydrodynamic Turbulent Flows: Modelling and Statistical Theory (Fluid Mechanics and Its Applications)
A. Yoshizawa
Manufacturer: Springer
ProductGroup: Book
Binding: Hardcover

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ASIN: 0792352254

Book Description

This book gives the first comprehensive overview of turbulence modelling from both the conventional and statistical-theoretical viewpoints. The mathematical structures of primary turbulence models such as algebraic (turbulent-viscosity-type), second-order, and subgrid-scales ones are elucidated, and the relationship between them is shown systematically. This approach is extended to turbulent or mean-field dynamo that plays an important role in the study of the generation and sustainment mechanisms of magnetic fields in astro-geophysical and fusion phenomena. Finally, turbulence modelling is shown to be a concept possessing a wide range of applicability in both the practical and academic senses. Readers are expected to have a basic knowledge of fluid mechanics at a graduate level and beyond. The important properties of turbulence necessary for turbulence modelling, however, are explained in a self-consistent manner. This book is therefore suited for both graduate students and researchers who are interested in turbulence modelling and turbulent dynamo.

A pseudo-sound constitutive relationship for the dilatational covariances in compressible turbulence an analytical theory (SuDoc NAS 1.26:195064)

Average customer rating:

A pseudo-sound constitutive relationship for the dilatational covariances in compressible turbulence an analytical theory (SuDoc NAS 1.26:195064)
J. R. Ristorcelli
Manufacturer: Institute for Computer Applications in Science and Engineering, NASA Langley Research Center National Technical Information Service, distributor
ProductGroup: Book
Binding: Unknown Binding

Average customer rating:

Lot of Help

Top Shelf: Forensics (Top Shelf Science Series Ser)
Walch
Manufacturer: Walch Pub.
ProductGroup: Book
Binding: Paperback

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ASIN: 0825146275

Customer Reviews:

Lot of Help.......2007-06-24

This book is a tremedous resource for labs for High School possibly college. I used this in my Forensic course in High School. Help me out.
This book is in my top 2 of resources. The other if from "on File". This has some labs that book does not. THis is an invaluable resource for you.

Top Shelf: Physics (Top Shelf Science Series Ser)

Average customer rating:

Top Shelf: Physics (Top Shelf Science Series Ser)
Walch
Manufacturer: Walch Pub.
ProductGroup: Book
Binding: Paperback

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Hands-On Physics Activities with Real-Life Applications: Easy-to-Use Labs and Demonstrations for Grades 8 - 12

ASIN: 0825146283

Average customer rating:

A descent, funny and entertaining read

Iranian, Persian or American you will laugh

Worth Reading, but one big problem, please see my review

the Iranican dream

Waste of my money and time

The Iranican Dream
Siamack Baniameri
Manufacturer: Virtualbookworm.com Publishing
ProductGroup: Book
Binding: Paperback

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Lipstick Jihad: A Memoir of Growing Up Iranian in America And American in Iran

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ASIN: 1589396774

Book Description

From the unconventional mind of Siamack Baniameri comes a story of a man who is living the Iranican Dream. "The Iranican Dream (Inside the mind of a Middle Eastern-American man)" is a humorous account of a paranoid Iranian-American man in post 9/11 America who is raising two rambunctious teenagers by himself while dealing with a hormonally imbalanced ex-wife, a conspiracy buff father, a ninety-year-old sexually zealous grandfather, outrageously traditional Middle Eastern relatives, and a transsexual best friend who goes to the heart of a war zone for his sex change operation.

The Iranican Dream is a hilarious journey inside the mind of an Iranian-American man whose world is comprised of lavish encounters with bizarre characters in some of the most outlandish circumstances. Baniameri brings to the spotlight a fresh breed of Middle Eastern immigrant in America who inadvertently gets himself in comical situations by constantly plotting to sabotage his ex-wife's relationships, preventing his teenage daughter from dating boys, pestering women to go out with him, and manipulating his best friend to participate in his tedious schemes.

Customer Reviews:

A descent, funny and entertaining read.......2007-01-27

I ordered this book a few days ago and finished it just now. I would recommend it to almost anyone. It's a collection of funny anecdotes that do no by any means fall short in entertaining. Several parts of the book in particular were absolutely hilarious, and made the entire book worthwhile. There are also a few descent insights to life in this book, either presented through a dramatic ordeal or straight-up, which again, adds to the value of the book.

The episode where the narrator decides to deal with Billy, the teenage punk trying to date his daughter, is by far one of the funniest things I have read. Definitely consider picking up this book if you're looking for some laughs.

Iranian, Persian or American you will laugh.......2006-01-17

My wife is american and we have been fighting for who gets to finish the book first. It is very, very funny - light reading and applies to me (an insider looking out) and my wife (an outsider looking in).
If the language wasn't as strong, I'd let my 15 year old read it too!

The author should send it off to be made into a funny movie.

If you can't laugh at being a middle-eastern man in the post 9/11 America, paying taxes and trying to raise teenagers with morals then you better go see your therapist!

Worth Reading, but one big problem, please see my review.......2005-08-23

The author has used his great humor to bring the struggles Persians and/or foreinger are faced with in US. The only problem I had with this book was the author constantly refered to himself as Middle-Eastern, whereas, the Persians are Indo-European and Near-Eastern, not Middle-Eastern. Please for this fact refer to UCLA Near-Eastern Studies Dept, or:

http://www.int-pub-iran.com/ipis07.htm or

http://www.state.gov/p/nea/ci/c2404.htm

the Iranican dream .......2005-08-14

a hysterical trip down the mind of an american mid-eastern man with many flaws.
I loved the political incorrect story telling, and laughed out loud trough the book.
a nice light hearted book with out to much huppla.
great book I d recommemd it to any one and everyone with a sence of humour

Waste of my money and time.......2005-07-18

I did not enjoy reading this book at all... I don't know why others say that it is funny. It is silly and boring. It is the life story of a loser Iranian who can't adapt, sucks at being a husband and a father, and his parents are worst than himself. Poor writing. DO NOT take this on the plane, you will be bored. You are better off reading the safety instructions on the plane!

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