'Ethernet 802' diaporamas de présentation

Ethernet 802 - PowerPoint PPT Presentation

Computer Networks

Computer Networks

Computer Networks. Bhushan Trivedi, Director, MCA Programme, at the GLS Institute of Computer Technology, Ahmadabad. Chapter 6. Medium access sub layer (MAC). The need for arbitration. Introduction and need for MAC layer Shared Channel Concept Collision detection and avoidance

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990 views • 81 slides
Chapter Five

Chapter Five

Chapter Five. Physical and Logical Topologies. Objectives. Describe the basic and hybrid LAN physical topologies, their uses, advantages, and disadvantages Describe a variety of enterprise-wide and WAN physical topologies, their uses, advantages, and disadvantages

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623 views • 53 slides
Chapter Five

Chapter Five

Chapter Five. Physical and Logical Topologies. Simple Physical Topologies. What does physical topology mean? The physical layout of the network nodes Bus, Ring, & Star What does logical topology mean? Network transmission methods Ethernet, Token Ring, LocalTalk, FDDI, ATM.

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664 views • 50 slides
Chapter Five

Chapter Five

Chapter Five. Physical and Logical Topologies. Simple Physical Topologies. What does physical topology mean? The physical layout of the network nodes Bus, Ring, & Star What does logical topology mean? Network transmission methods Ethernet, Token Ring, LocalTalk, FDDI, ATM.

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594 views • 50 slides
MAC continued

MAC continued

MAC continued. Ethernet (802.3). 1-persistent CSMA/CD + binary exponential backoff Carrier sense: station listens to channel first 1-persistent: If idle, station may initiate transmission

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230 views • 12 slides
Ethernet 802.3 Physical Layer

Ethernet 802.3 Physical Layer

Ethernet 802.3 Physical Layer. Topology : Order in which stations receive bits Ethernet hubs use a bus topology Signal is broadcast All stations receive almost simultaneously. Ethernet 802.3 Physical Layer. Topology: Order in which stations receive bits

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370 views • 12 slides

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