Lecture05 - The Ethernet Family

Lecture05 - The Ethernet Family - 10/5/2009 1 CNIT 24000...

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Unformatted text preview: 10/5/2009 1 CNIT 24000 CNIT 24000 Data Data Communications & Communications & Networking Networking The Ethernet Family Objectives Identify the functions of Ethernet Correlate the Ethernet family with the IEEE standards Define the interoperability of the IEEE Ethernet reference model and the OSI model Use this knowledge in lab, future courses, & in your employment 10/5/2009 2 What is Ethernet? Generically, it is a communication protocol that uses CSMA/CD over a variety of physical media for LANs with sporadic but occasionally heavy traffic Developed in the mid-1970s Published as Ethernet in the early 1980s by Xerox, DEC, & Intel Bob Metcalfe Standardized in 1983 by the IEEE as 802.3 Why Ethernet for LANs? Its relatively easy to understand Its easy to implement and scale Its affordable Its standardized 10/5/2009 3 What is IEEE 802? The umbrella standard that defines the framework in which LAN / MAN communication standards and protocols to be applied LAN A data network that is optimized for a moderate-sized geographic area building, campus, MAN A data network that is optimized for a larger geographic area with moderate to high data rates What is IEEE 802? cont IEEE intends for 802-based networks to be applicable in many environments to allow transparent access to applications such as: File Transfers Email Database Access Transaction Processing While supporting network devices, such as: PCs/Servers Mass Storage Devices Network Infrastructure Monitor & Control Equipment 10/5/2009...
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This note was uploaded on 03/26/2010 for the course CIT 240 taught by Professor None during the Spring '10 term at Purdue University-West Lafayette.

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Lecture05 - The Ethernet Family - 10/5/2009 1 CNIT 24000...

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