'Csma cd' diaporamas de présentation

Chapter 5: The Data Link Layer

Our goals: understand principles behind data link layer services: error detection, correction sharing a broadcast channel: multiple access link layer addressing reliable data transfer, flow control: done! instantiation and implementation of various link layer technologies.

1.52k views • 122 slides

Medium Access Control Sublayer

Medium Access Control Sublayer. Static Channel Allocation. FDM TDM Wastage of resources when some of the users are idle. What if the number of users increase. Dynamic Channel Allocation :.

1.13k views • 86 slides

The Medium Access Control Sublayer

The Medium Access Control Sublayer. Chapter 4. The Channel Allocation Problem. Static Channel Allocation in LANs and MANs Dynamic Channel Allocation in LANs and MANs. Dynamic Channel Allocation in LANs and MANs. Station Model. Single Channel Assumption. Collision Assumption.

1.72k views • 70 slides

Networking

986 views • 69 slides

The Medium Access Control Sublayer

The Medium Access Control Sublayer. Chapter 4. The Channel Allocation Problem. Static Channel Allocation in LANs and MANs Dynamic Channel Allocation in LANs and MANs. Dynamic Channel Allocation in LANs and MANs. Station Model. Single Channel Assumption. Collision Assumption.

869 views • 64 slides

CWNA Guide to Wireless LANs, Second Edition

CWNA Guide to Wireless LANs, Second Edition. Chapter Five IEEE 802.11 Media Access Control and Network Layer Standards. Objectives. List and define the three types of WLAN configurations Tell the function of the MAC frame formats

819 views • 58 slides

Transactions

Transactions. The terminology used in this section is that all users (online interactive users or batch programs) issue transactions to the DBMS. A TRANSACTION is an atomic unit of database work specified to the DBMS.

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627 views • 45 slides

Network Topologies

Network 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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584 views • 37 slides

Data and Computer Communications

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Internetworking May 1, 2001

491 views • 33 slides

Fast Ethernet and Gigabit Ethernet

Fast Ethernet and Gigabit Ethernet. Fast Ethernet (100BASE-T). How to achieve 100 Mbps capacity? Media Independent Interface provides three choices. LLC. Data Link Layer. MAC. Convergence Sublayer. Physical Layer. MII. Media Independent Interface. Media Dependent Sublayer.

552 views • 32 slides

EE 122: Ethernet and 802.11

EE 122: Ethernet and 802.11. Ion Stoica September 18, 2002. (* this talk is based in part on the on-line slides of J. Kurose & K. Rose). High Level View. Goal: share a communication medium among multiple hosts connected to it Problem: arbitrate between connected hosts Solution goals:

538 views • 29 slides

NETWORK ARCHITECTURE MODELS

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Ethernet

Ethernet Outline Multiple Access and Ethernet Intro Ethernet Framing CSMA/CD protocol Exponential backoff Shared Access Networks are Different Shared Access Networks assume multiple nodes on the same physical link Bus, ring and wireless structures

504 views • 25 slides

6. Network Model

425 views • 25 slides

Network Devices

541 views • 21 slides

Network Components and Equipment

Network Components and Equipment. Organizational Communications and Technologies Prithvi N. Rao H. John Heinz III School of Public Policy and Management Carnegie Mellon University. Readings. High Speed and Wireless LANs(Stallings and van Slyke) Chapter 10. Objectives.

313 views • 18 slides

Ethernet Solutions for Optical Networks

Ethernet Solutions for Optical Networks. Denis Gallant, CTO. Summary of Ethernet Solutions. WAN Enterprise Services (e.g. P-to-P or virtual LAN). LAN Environment for WGs, campus, etc. WAN Infrastructure (e.g. L2 transport & Aggregation). Transparent LAN Services (SONET, FR/ATM)

306 views • 9 slides