Review of Networking Basics - University of California, Berkeley
Review of Networking Basics
Yao Wang Polytechnic University, Brooklyn, NY11201
yao@vision.poly.edu
These slides are extracted from the slides made by authors of the book (J. F. Kurose and K. Ross), available from the publisher site for instructors. We would like to thank the authors for the excellent book and the slides.
From [Kurose/Ross]
Networking Basics
Slides based on Computer Networking: A Top Down Approach Featuring the Internet,
2nd edition. Jim Kurose, Keith Ross Addison-Wesley, July 2002. Chapters 1-2
2
Overview of Telecommunication Networks and Internet
Based on Chapter I -- Computer Networks and the Internet
From [Kurose/Ross]
Networking Basics
3
Roadmap
What is the Internet?
Network edge Network core Internet structure and ISPs Protocol layers, service models
From [Kurose/Ross]
Networking Basics
4
What's the Internet: "nuts and bolts" view
millions of connected
computing devices: hosts, end-systems
PCs workstations, servers
PDAs phones, toasters
running network apps
communication links
fiber, copper, radio, satellite
transmission rate =
bandwidth
routers: forward packets
(chunks of data)
router server
local ISP
workstation mobile
regional ISP
company network
From [Kurose/Ross]
Networking Basics
5
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