Building Wireless Community Networks 2e （2ND）

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Building Wireless Community Networks 2e （2ND）

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  • 製本 Paperback:紙装版/ペーパーバック版／ページ数 180 p.
  • 言語 ENG
  • 商品コード 9780596005023
  • DDC分類 004.6

Full Description

This text is about getting people online using wireless network technology. The 802.11b standard (also known as WiFi) makes it possible to network towns, schools, neighborhoods, small business, and almost any kind of organization. All that's required is a willingness to cooperate and share resources. The first edition of this book helped thousands of people engage in community networking activities. At the time, it was impossible to predict how quickly and thoroughly WiFi would penetrate the marketplace. Today, with WiFi-enabled computers almost as common as Ethernet, it makes even more sense to take the next step and network your community using nothing but freely available radio spectrum. This book has showed many people how to make their network available, even from the park bench, how to extend high-speed Internet access into the many areas not served by DSL and cable providers, and how to build working communities and a shared though intangible network. All that's required to create an access point for high-speed Internet connection is a gateway or base station. Once that is set up, any computer with a wireless card can log onto the network and share its resources.
Rob Flickenger built such a network in northern California, and continues to participate in network-building efforts. His nuts-and-bolts guide covers: selecting the appropriate equipment; finding antenna sites, and building and installing antennas; protecting your network from inappropriate access; new network monitoring tools and techniques (new); regulations affecting wireless deployment (new); and IP network administration, including DNS and IP Tunneling (new).

Contents

Preface 1. Wireless Community Networks Why Now? The WISP Approach The Cooperative Approach About This Book 2. Defining Project Scope The Standards Hardware Requirements Site Survey 802.11b Channels and Interference Topographical Mapping 3. Network Layout Layer 1 (Physical) Connectivity Wired Wireless Vital Services Security Considerations Summary 4. Using Access Points Access Point Caveats The Apple AirPort Base Station Access Point Management Software Local LAN Access Configuring Dialup NAT and DHCP Bridging WEP, MAC Filtering, and Closed Networks Roaming Channel Spacing 5. Host-Based Networking Anatomy of a Wireless Gateway 6. Long-Range Networking Topo Maps 102: Geographical Diversity Antenna Characteristics and Placement 7. Other Applications Software Point-to-Point Links Point-to-Multipoint Links Home-Brew Antennas Redundant Links Repeaters Security Concerns NoCatAuth Captive Portal Fun with IP In Closing 8. Radio Free Planet Universal Wireless The Future 9. Radio Free Sebastopol OSCON 2000 The Campus Coffee, Coffee, Coffee Online From Home, No Strings Attached Seattle Wireless NoCat The Community Takes Notice The Portland Summit And So On A. Regulations Affecting 802.11 Deployment B. Path Loss Calculations C. Simple Scheme Management Index