This Book Is About Seven Key Technological Areas That Form The Foundation Of The Global Public Internet Today. It Not Only Describes The Technology At A High Level, But It Shows How That Particular Technology Took On Its Modern Form And Contributes To The Overall Network Infrastructure We All Enjoy. Each Chapter Starts With A Strong Historical Introduction To The Technology. There Are Two Reasons For This Emphasis. First, This Practice Gives Newcomers A Glimpse Into What People Who Have Been Working In The Field For A Long Time Already Know, So That Those Less Familiar With He History Have Some Context In The Area. Second, It Is Always A Good Idea To Understand How Things Have Come To Be In Order To Understand How They Might Change-or Not-in The Future. For Example, The Ethernet Lan Technology Recently Celebrated Its Fiftieth Anniversary. But Instead Of Being Obsolete, Ethernet-based Tech Is Entrenched In Almost Every Network Product Made Today. Not Only Is This A Testimony To The Foresight Of The Ieee 802 Lan Committee, Founded In February Of 1980 (802), But It Shows How Flexible Standards Can Be. This Is Not True Of All Commonly Used Networking Practices, As This Book Points Out. The Chapters In This Book Can Be Read In Any Order By Readers With A Minimal Technical Background. However, This Book Has A Logical Flow To The Chapters, With The Major Points Of Each Suggesting Issues That Are Brought Up And Explored In The Next. As A Whole, The Book Forms A Journey From A Vehicle On A Highway To Deep Into The Internet And Then Back Again-- Provided By Publisher.