eng-book

  • COMPUTER NETWORKS

    COMPUTER NETWORKS

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    INTRODUCTION

    Each of the past three centuries was dominated by a single new technology. The 18th century was the era of the great mechanical systems accompanying the Industrial Revolution. The 19th century was the age of the steam engine. During the 20th century, the key technology was information gathering, processing, and distribution. Among other developments, we saw the installation of worldwide telephone networks, the invention of radio and television, the birth and unprecedented growth of the computer industry, the launching of communication satellites, and, of course, the Internet.

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  • Building the Gigabit City

    Building the Gigabit City

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    Despite what the cover says, this book isn’t about building gigabit networks. Seriously,

    it’s true. But don’t feel bad. You’re not the victim of a bait and switch. This is actually

    your first, maybe most important, lesson – ignore the hype, meet the need. Building the

    Gigabit City is a valuable tool for community stakeholders who want to do both.

    Your community may not need a gigabit network. Yet. What they need, what much of the

    United States needs, is faster Internet access that enables businesses to communicate

    faster and more effectively so that a bakery or dress shop in small town Ottumwa, IA can

    be a player in the national or even international market.

    Many communities need Internet access that’s fast enough and reliable enough so an

    emergency room in tiny Powell, WY can create a digital bridge to Boston Mass General’s

    best surgeons for a real-time life-saving video consult. Many U.S. communities need

    Internet services capable of transforming how our urban kids and adults use technology

    to learn and improve their economic status.

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  • An IPv6 Deployment Guide

    An IPv6 Deployment Guide

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    The History of IPv6

    The IPv6 story began in the early nineties when it was discovered that the address space available in IPv4 was vanishing quite rapidly. Contemporary studies indicated that it may be depleted within the next ten years – around 2005! These findings challenged the Internet community to start looking for a solution. Two possible approaches were at hand: 1. Minimal: Keep the protocol intact, just increase the address length. This was the easier way promising less pain in the deployment phase. 2. Maximal: Develop an entirely new version of the protocol. Taking this approach would enable incorporating new features and enhancements in IP. Because there was no urgent need for a quick solution, the development of a new protocol was chosen. Its original name IP Next Generation (IPng) was soon replaced by IP version 6 which is now the definitive name. The main architects of this new protocol were Steven Deering and Robert Hinden. The first set of RFCs specifying the IPv6 were released at the end of 1995, namely, RFC 1883: Internet Protocol, Version 6 (IPv6) Specification [RFC1883] and its relatives. Once the definition was available, implementations were eagerly awaited. But they did not come. The second half of the nineties was a period of significant Internet boom. Companies on the market had to solve a tricky business problem: while an investment in IPv6 can bring some benefits in the future, an investment in the blossoming IPv4 Internet earns money now. For a vast majority of them it was essentially a no-brainer: they decided to prefer the rapid and easy return of investments and developed IPv4-based products. Another factor complicating IPv6 deployment was the change of rules in the IPv4 domain. Methods to conserve the address space were developed and put into operation. The most important of these was Classless Inter-Domain Routing (CIDR). The old address classes were removed and address assignment rules hardened. As a consequence, newly connected sites obtained significantly less addresses than in previous years. The use of CIDR may well have delayed the need for IPv6 in the eyes of many people, but not in all. Somewhat perversely, the use of CIDR accelerated the perception of a lack of address space in the

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  • Advanced Network Programming-Principles and Techniques

    Advanced Network Programming-Principles and Techniques

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    The Computer Communications and Networks series is a range of textbooks, monographs

    and handbooks. It sets out to provide students, researchers and non-specialists alike with

    a sure grounding in current knowledge, together with comprehensible access to the latest

    developments in computer communications and networking.

    Emphasis is placed on clear and explanatory styles that support a tutorial approach, so that

    even the most complex of topics is presented in a lucid and intelligible manner.

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  • Microsoft Access 2013 step by step

    Microsoft Access 2013 step by step

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    Throughout this book, you’ll be working with databases that contain information about the
    employees, products, suppliers, and customers of a fictional company. As you complete the
    exercises, you will develop an assortment of tables, forms, queries, and reports that can be
    used to enter, edit, and manipulate the information in a database in many ways.

    please download the book to learn more

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