'Telephone network' diaporamas de présentation

If the Internet is the answer, then what was the question?

If the Internet is the answer, then what was the question?. EE122 Fall 2011 Scott Shenker http://inst.eecs.berkeley.edu/~ee122/ Materials with thanks to Jennifer Rexford, Ion Stoica, Vern Paxson and other colleagues at Princeton and UC Berkeley. Administrivia.

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William Stallings Data and Computer Communications 7 th Edition

William Stallings Data and Computer Communications 7 th Edition. Chapter 10 Circuit Switching and Packet Switching. Switching Networks. Long distance transmission is typically done over a network of switched nodes Nodes not concerned with content of data End devices are stations

887 views • 63 slides

William Stallings Data and Computer Communications 7 th Edition

William Stallings Data and Computer Communications 7 th Edition. Chapter 10 Circuit Switching and Packet Switching. Switching Networks. Long distance transmission is typically done over a network of switched nodes Nodes not concerned with content of data End devices are stations

725 views • 63 slides

Chapter 9 Communications and Networks

Chapter 9 Communications and Networks. Chapter 9 Objectives. Discuss the components required for successful communications. Explain the purpose of communications software. Identify various sending and receiving devices.

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Telecommunications Concepts

Chapter 2.1 The Circuit Switched Telephone Network. Telecommunications Concepts. Traditional Overall structure Access network Fixed lines Wireless access GSM UMTS Trunk network Primary multiplexing : E1 / T1 lines Higher order multiplexing Plesiochronous Data Hierarchy

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TELECOMMUNICATIONS, THE INTERNET, AND WIRELESS TECHNOLOGY

Chapter 7. TELECOMMUNICATIONS, THE INTERNET, AND WIRELESS TECHNOLOGY. VIDEO CASES Case 1: Traveling the Internet and Wireless Technology Case 2: Unified Communications Systems With Virtual Collaboration: IBM and Forterra

2.14k views • 44 slides

Networks: LANs

Networks: LANs. What hardware do you need for a LAN network?. File Server : Runs software, stores files. Terminals : Workstations that give network access. Print Server : Queues up all print jobs from users in network. Cables (wire/optic) : Sends data

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Telephone Network Hierarchy Analog Sounds

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Chapter 16

Chapter 16. Integrated Services Digital Network (ISDN). Figure 16-1. ISDN Services. Figure 16-2. Voice Communication over an Analog Telephone Network. Figure 16-3. Voice and Data Communication over an Analog Telephone Network. Figure 16-4. Analog and Digital Services

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Alexander Graham Bell

Alexander Graham Bell. Inventor of the Telephone. By Mary Louise Shore. 2005. Alexander Graham Bell. *Born: March 3, 1847 *Parents: Alexander Melville Bell and Elisa Grace Symonds *Siblings: 2 brothers, Melville and Edward. Childhood.

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Chapter 1: Data Communications & Networking: Overview

COE 341: Data and Computer Communications (3-0-3) Term 062. Chapter 1: Data Communications & Networking: Overview. Acknowledgements. Many figures, slides, and course notes were made available by: Pearson Prentice-Hall (Publishers) Data & Computer Communications, W. Stallings

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Internet Telephony

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Corning History

Corning History . Founded in 1851 Corning Glass Works until 1989 Now - Corning Incorporated . Corning Structure. Three Groups Telecommunications: optical fiber/photonics Advanced Materials: environmental products / science products / optical & lighting

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End-to-end QoS in the users' point of view

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Cell Phones!

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Cellular Telephone Networks

Cellular Telephone Networks. By: Ryan Hannaford. What is a cellular telephone networks.

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802.11 frame: addressing

6. 4. 2. 2. 6. 6. 6. 2. 0 - 2312. frame control. duration. address 1. address 2. address 3. address 4. payload. CRC. seq control. 802.11 frame: addressing. Address 3: used only in ad hoc mode. Address 1: MAC address of wireless host or AP to receive this frame.

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ISDN Standards Overview 1

General Datacomm. ISDN Standards Overview 1. E Series protocols Telephone network standards such as E.164 for international addressing etc. I Series protocols Concepts, terminology and general methods such as I.200 services etc. Q Series protocols

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The Evolution of Technology

The Evolution of Technology. Cell Phones By Lenesha Jones and Oneshia Garland. Meaning of cellphones.

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A Testbed for Research and Development of Secure IP Multimedia Communication Services

A Testbed for Research and Development of Secure IP Multimedia Communication Services. PI: Ram Dantu, Co-PIs: Elisa Bertino, Sonia Fahmy, Dipak Ghosal, Henning Schulzrinne.

263 views • 1 slides