Internet技术基础

DouglasComer是著名的网络技术作家、教师和顾问，他对因特网的概念和工作原理有其独到的见解和清晰的认识。在本书的第4版中，Comer教授从一种非技术化的角度来解释因特网后台的工作机制、计算机的通信方式、服务器以及因特网技术的原理。作者借助实用的方法，以清晰易懂且科学准确的语言介绍了因特网的各种技术及其不同的应用，向读者展示出网络互连和因特网的全景图。 本书主要特色 　　?三大新增章节： 　　NAT：介绍因特网的连接。 　　远程安全接入（VPN）。 　　公司和个人网页（Wiki及Blog）。 　　?关键网络概念，如分组交换、局域网、协议软件和域名。 　　?全新的内容，包括Wi-Fi的无线联网技术、Web制作工具，以及关于网络安全性的讨论。 　　?包括电子商务的概述以及如何利用网络进行业务和商业交易。 　　?采用更多易于理解的定义扩展了术语表的内容。

道格拉斯·科默(DotJglas E．Corner)博士是美国普渡大学(Purdue University)计算机科学系资深教授，美国计算机学会(ACM)会员，精通软、硬件，曾开发过包括TCP／IP协议软件、编译程序、设备驱动程序和操作系统在内的许多低层的软件系统，曾在贝尔实验室制作过VLSI芯片。科默是因特网体系结构委员会(IAB)的成员，在因特网的形成过程中立下了汗马功劳，目前是计算机诸多领域的领军人物。在教学大纲制定和实验室筹建方面，科默堪称先驱，他的著作已被翻译成16种文字出版。科默在业界咨询工作中声明远扬，为全世界成千上万的专业工程师和学生答疑解惑，时任Software：Practice and Experience杂志主编。

Preface
Chapter 1 The Internet Has Arrived
　The World Has Changed
　Numbers Do Not Tell The Story
　Learning About The Internet
　Understanding The Big Picture
　Terminology And Technology
　Growth And Adaptability
　The Impact Of The Internet
　Organization Of The Book
　A Personal Note
Chapter 2 Getting Started: Hands-On Experience
　Introduction
　The Web: Sites And Pages
　Web Browsers and Browsing
　Using A Browser
　Examples Of Web Sites And Services
　Internet Search
　Summary
Chapter 3 Telephones Everywhere
　Introduction
　A Communication Service
　Selling Communication
　Limited Access
　High Cost
　The Difficult Transition
　Ubiquitous Access
　Relevance To The Internet
Chapter 4 The World Was Once Analog
　Introduction
　Sound, Vibrations, And Analog Recording
　Analog Electronic Devices
　Many Electronic Devices Are Analog
　The First Analog Communication
　Analog Is Simple But Inaccurate
　Sending An Analog Signal Across A Wire
　Digital Music
　The Digital Revolution
　Computers Are Digital
　Digital Recording
　Using Digital To Recreate Analog
　Why Digital Music?
　Summary
Chapter 5 The Once And Future Digital Network
　Introduction
　The World Was Previously Digital
　A Telegraph Is Digital
　Morse Code
　Letters And Digits In Morse Code
　Users Did Not Encounter Morse Code
　Virtually Instant Communication
　Speed Is Relative
　The Telephone Became Digital
　Relevance To The Internet
　Binary Encoding Of Data On The Internet
　Why Use Two Symbols?
　Summary
Chapter 6 Basic Communication
　Introduction
　Communication Using Electricity
　Signals On Wires
　Information Coding
　Modems Allow Two-Way Traffic
　A Character Code For Digital Information
　Detecting Errors
　Summary
Chapter 7 The Local Area Network Arrives
　Introduction
　Motivation
　Interchangeable Media
　A Computer Consists Of Circuit Boards
　Circuit Boards Plug Into A Computer
　Connecting One Computer To Another
　LAN Technologies
　Connecting A Computer To A LAN
　The Importance Of LAN Technology
　Relationship To The Internet
　PART II A Brief History Of The Internet
Chapter 8 Internet: The Early Years
　Many Independent Networks
　The Proliferation Of LANs
　Facts About LANs
　LANs Are Incompatible
　Wide Area Technologies Exist
　Few WANs, Many LANs
　WANs and LANs Are Incompatible
　The Desirability Of A Single Network
　The Department Of Defense Had Multiple Networks
　Connecting Disconnected Machines
　The Internet Emerges
　The ARPANET Backbone
　Internet Software
　The Name Is TCP/IP
　The Shock Of An Open System
　Open Systems Are Necessary
　TCP/IP Documentation Is Online
　The Military Adopts TCP/IP
　Summary
　A Personal Note
Chapter 9 Two Decades Of Incredible Growth
　Introduction
　Disseminating The Software
　Meanwhile, Back In Computer Science
　The Internet Meets UNIX
　The U.S. Military Makes A Commitment
　The Internet Doubles In Size In One Year
　Every Computer Science Department
　Graduate Students Volunteer Their Time
　The IAB evolves
　The IETF
　Doubling Again In A Year
　The Internet Improves Science
　NSF Takes A Leadership Role
　Target: All Of Science And Engineering
　NSF’s Approach
　The NSFNET Backbone
　The ANS Backbone
　Exponential Growth
　A Commercial Assessment
　The End Of Growth
Chapter 10 The Global Internet
　Introduction
　Early ARPA Netwos
　Electronic Mail Amng Computers
　BITNET And FIDONET
　Networks In Europe
　EBONE: The Internet In Europe
　Backbones And Internet Hierarchy
　Internet On All Continents
　The World Of Internet after 1998
　A Personal Note
Chapter 11 A Global Information Infrastructure
Chapter 12 Packet Switching
Chapter 13 Internet: A Network Of Networks
Chapter 14 ISPs: Broadband And Wireless Access
Chapter 15 IP: Software To Create A Virtual Network
Chapter 16 TCP: Software For Reliable Communication
Chapter 17 Clients + Servers = Distributed Computing
Chapter 18 Names For Computers
Chapter 19 NAT: Sharing An Internet Connection
Chapter 20 Why The Internet Works Well
Chapter 21 Electronic Mail
Chapter 22 Bulletin Board Service (Newsgroups)
Chapter 23 Browsing The World Wide Web
Chapter 24 World Wide Web Documents (HTML)
Chapter 25 Advanced Web Technologies (Forms, Frames, Plugins, Java, JavaScript, Flash)
Chapter 26 Group And Personal Web Pages (Wikis And Blogs)
Chapter 27 Automated Web Search (Search Engines)
Chapter 28 Text, Audio, And Video Communication (IM, VoIP)
Chapter 29 Faxes, File Transfer, And File Sharing (FTP)
Chapter 30 Remote Login And Remote Desktops (TELNET)
Chapter 31 Facilities For Secure Communication
Chapter 32 Secure Access From A Distance (VPNs)
Chapter 33 Internet Economics And Electronic Commerce
Chapter 34 The Global Digital Library
Appendix 1 Glossary of Internet Terms
Index