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HP 180 Degree Turn manual

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The Ethernet Evolution

The 180 Degree Turn

(C) Herbert Haas 2005/03/11

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Contents

The Ethernet Evolution Page History: Initial Idea History: Multiport Repeaters History: Bridges History: Switches Today What About Gigabit Hubs MAC Control Frames Auto Negotiation Fast Link Pulses 100 Mbit Ethernet Overview 4B/5B Coding Gigabit Ethernet GE Signaling GE 8B/10B Coding 1000BaseX 1000BaseT Several Physical Media Supported 10 Gigabit Ethernet / IEEE 802.3ae Only optical support Different implementations at the moment – standardization not finished 8B/10B (IBM), SONET/SDH support, … XAUI ("Zowie") instead of GMII Note Summary Quizz Hints