Gigabit

Source: Gigabit Ethernet for Metro Area Networks CHAPTER 1 basic precept of Ethernet Technology Downloaded from Digital design Library @ McGraw-Hill (www.digitalengineeringlibrary.com) Copyright © 2004 The McGraw-Hill Companies. tout ensemble rights reserved. Any use is content to the Terms of Use as given at the website. Fundamentals of Ethernet Technology 2 Chapter 1 As indicated in the Preface, it is assumed that the reader has three to fin years experience in the computer or telecommunications field. However, in the interest of ensuring that a common understanding of Ethernet is fostered at the skim of this book, a review of Ethernet fundamentals, specifications, and hardware is delivered in this chapter. If nothing else, a refresher in the engineering that this book revolves around authoritative enough wouldnt hurt. That said, lets move forward. 1.1 The cunning of Ethernet and the 802.3 Standard Dr. Robert M. Metcalfe invented Ethernet tech nology at the xerox copy Palo low Research Center in the 1970s. It was designed to support search on the office of the future, which include one of the worlds first personal workstationsthe Xerox Alto.

The first Ethernet system ran at approximately 3 megabits per help (Mbps) and was known as data-based Ethernet. Key: The ether in Ethernet indicates it ass use all physical medium to acquit information and communicate: copper, opthalmic fiber, and even air (wireless in the form of radio or laser). It should be noted that instantly the term Ethernet system can refer to a local anesthetic area net (LAN) environm ent, a metropolitan area network (MAN) envir! onment, and soon a wide area network (WAN) environment. glob specifications for Ethernet were published in 1980 by the multivendor consortium that repulsed the DEC-Intel-Xerox (DIX) standard. Digital, Intel, and Xerox true the technology collectively after working together to create DIX. This effort converted experimental Ethernet into an open (interoperable),...If you want to get a serious essay, order it on our website: OrderCustomPaper.com

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