intro-3076-11

intro-3076-11 - Chapter1 Introduction Reading assignment:...

Info iconThis preview shows pages 1–11. Sign up to view the full content.

View Full Document Right Arrow Icon
 Introduction 1-1 Chapter 1 Introduction Computer Networking:,  5 th  edition.  Jim Kurose, Keith Ross Addison-Wesley, 2009  Reading assignment: Chapter 1 Slides: Adopted from K&R
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
 Introduction 1-2 Chapter 1: Introduction Our goal:   get “feel” and terminology approach: use Internet as example Overview: what’s the Internet what are the key elements of networks? What controls and manages networks Basics in Intro : Network: physical and  logical  Switching Techniques Performance Protocol Layers
Background image of page 2
 Introduction 1-3 What’s the Internet: “nuts and bolts” view millions of connected computing  devices:  hosts = end systems running  network apps Network core: routers:  forward packets (chunks of  data)  communication links fiber, copper, radio, satellite transmission rate =  bandwidth (bps) Internet:  “network of networks” Heterogeneous networks local ISP company network regional ISP router workstation server mobile
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
 Introduction 1-4 Cool” internet appliances Web! YouTube Web-enabled toaster + weather forecaster Internet phones: Skype Smart Grid??
Background image of page 4
 Introduction 1-5 What’s the Internet: “nuts and bolts” view protocols  control sending, receiving  of msgs e.g., HTTP, email, TCP, IP Internet standards RFC: Request for comments IETF: Internet Engineering Task  Force local ISP company network regional ISP router workstation server mobile
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
 Introduction 1-6 What’s the Internet: a service view communication infrastructure  enables distributed applications: Web, email, games, e-commerce, file  sharing communication services provided  to apps: Connectionless unreliable connection-oriented reliable
Background image of page 6
 Introduction 1-7 Internet structure: network of networks “Tier-3” ISPs and local ISPs  last hop (“access”) network (closest to end systems) Tier 1 ISP Tier 1 ISP Tier 1 ISP NAP Tier-2 ISP Tier-2 ISP Tier-2 ISP Tier-2 ISP Tier-2 ISP local ISP local ISP local ISP local ISP local ISP Tier 3 ISP local ISP local ISP local ISP Local and tier- 3  ISPs are customers  of higher tier ISPs rest of Internet
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
 Introduction 1-8
Background image of page 8
 Introduction 1-9 Internet History 1961: Kleinrock - queueing theory  shows effectiveness of packet- switching 1964:   Baran - packet-switching in  military nets 1967:  ARPAnet conceived by  Advanced Research Projects  Agency 1969:  first ARPAnet node  operational 1972:   ARPAnet  public demonstration NCP (Network Control Protocol) first  host-host protocol  first e-mail program ARPAnet has 15 nodes 1961-1972: Early packet-switching principles
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
 Introduction 1-10 Internet History 1970:  ALOHAnet satellite network in  Hawaii 1974: Cerf and Kahn - architecture for 
Background image of page 10
Image of page 11
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 01/27/2011 for the course ECE 3076 taught by Professor Copeland during the Spring '08 term at Georgia Tech.

Page1 / 46

intro-3076-11 - Chapter1 Introduction Reading assignment:...

This preview shows document pages 1 - 11. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online