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High availability network fundamentals pdf

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severity from a failure of the ATM network to planes falling out of the sky like ripe plums, or even High Availability Fundamentals • November Regardless. Why Do We Need High Availability? 6 Chapter 1: Introduction to High Availability Networking . Once you understand the basics of these methods, you will. Network infrastructure and architecture: designing high-availability networks /. Krzysztof Iniewski In this chapter we deal with the fundamentals of fiber - optic communica- tions, including fiber ingenuity/lesforgesdessalles.info,


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AVAILABILITY IP NETWORKS. SESSION NMS- The ability to define, achieve, and sustain “target availability .. Core networks are designed for high availability to a single point of .. Review. Security Basics for High Availability Networks. A practical guide to modeling and designing reliable networks Provides a detailed introduction to modeling availability necessary for network design Helps . fies in detail manufacturers that offer mobile computing products. The book consists of six chapters, and begins with a short introduction to wireless local area.

We customize your eBook by discreetly watermarking it with your name, making it uniquely yours. Back to top. Designing Data-Intensive Applications: Other Things You Might Like. Site Reliability Engineering: Copyright Edition: Not for Sale.

Eschewing completely the use of calculus in the book, the author sticks to elementary arithmetic and algebra throughout. Many examples are given throughout the chapter on how to compute availability for both the serial and parallel cases.

No details of fail-over mechanisms in parallel systems are given since the author wants to stay away from probability theory. Chapter 4 overviews the different factors that will affect availability, such as hardware, software, the environment, human factors, and design considerations.

The discussion on the prediction of software availability brings in the concept of a "lognormal" distribution from probablity theory, but the author explains it fairly well.

Although the discussion on software availability is very elementary, it serves as a good introduction for further reading on the subject. The author is careful to note that the mathematics he is using and the assumptions he is making are geared toward simplifying the mathematics. In chapter 5, the author gives a more detailed overview of the divide-and-conquer algorithm for calculating availability, restricting his attention to hardware and software failures.

He illustrates, with many examples, the construction of reliability block diagrams. Chapter 6 discusses three "real-world" examples of network availabilty prediction dealing with the uBR, uBR, and devices.

The chapter gives the reader more practice on how to calculate availability using the various components of these devices.

The availability analysis becomes even more useful in chapter 7, where it is done for a small Internet service provider. Use is made of the accompanying CD to the book, which employs Excel spreadsheets to perform the computations and report the results. These results are generalized to a small Enterprise network in chapter 8, and again the author makes use of the CD SHARC spreadsheet to calculate the availability.

The last chapter of the book is an availability analysis of a large voice-over-IP network. All five major contributors to network downtime are considered, and the reader gets a good taste of the complexity involved in analyzing availability in large networks.

Sometime when I pick a book to review I have no idea what information is contained within the pages. So much to my surprise I was extremely pleased to find this page book so chock full of useful information.

High Availability Network Fundamentals (eBook, PDF)

What I found after reading this book is that the author must be very experienced in the High Availability networking and the information was detailed, but also written at the level for the beginner or intermediate technician.

Taking the reader from the topologies and hardware, to environment and design, the author gives you 10 scenarios from real world situations.

Pdf fundamentals high network availability

Overall I have most certainly learned something new from a well organized and well documented book - great job! This book provides an excellent model to evaluate the availability of your data network. The tools provided in this book are straight forward and easily understood. If your network is critical to business, and especially if your voice traffic is running over it, you need this book.

This book was written as something to use, not just to read. Like any book on availability this one addresses a number of interrelated topics - service level management, capacity and performance management, and specific techniques for achieving high availability. I like this book because it introduces proven engineering techniques in the first five chapters, beginning with a discussion of availability and building upon this foundation with necessary math, a discussion of network topologies, factors that affect availability, and end-to-end availability management.

This part of the book will not only provide valuable information to network professionals at all levels of experience and knowledge, but is also applicable to IT operations managers and infrastructure support professionals who are involved in service level management. The remaining chapters are realistic case studies that are based on Cisco products that give excellent insights into attaining and managing availability in various environments - a small ISP, a large enterprise and an enterprise VoIP network.

In addition to a wealth of information, this book comes with a CD ROM that contains a generic hardware availability and reliability calculator in Microsoft Excel format - I was able to use it with an older version of Excel 97, which is a nice touch , and a terse PDF of instructions. It also contains worked examples of this spreadsheet for various Cisco products, the most valuable of which in my opinion are the Cisco processing engine and system level calculation spreadsheets that accompany Chapter 9 "A Large VoIP Network: An Availability Analysis".

High Availability Network Fundamentals

Jones ISBN because that book takes the fundamentals and expands them into complex scenarios. If you're new to networking get this book before getting Jones' book, but if you're experienced, get both. See all 4 reviews.

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High Availability Network Fundamentals discusses the need for and the mathematics of availability, then moves on to cover the issues affecting availability, including hardware, software, design strategies, human error, and environmental considerations. After setting up the range of common problems, it then delves into the details of how to design networks for fault tolerance and provides sample calculations for specific systems. Also included is a complete, end-to-end example showing availability calculations for a sample network.

Download the spreadsheet included on the CD here. Download - KB -- Chapter 1: Introduction to High Availability Networking. Predicting End-to-End Network Availability: The Divide-and-Conquer Method. Download - 94 KB -- Index.

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High Availability Network Fundamentals (eBook, PDF) von Chris Oggerino - Portofrei bei lesforgesdessalles.info

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Fundamentals pdf high availability network

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