Lecture21-networking-intro

Lecture21-networking-intro - Announcements Project 5 due...

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1 CS 3214 Computer Systems Godmar Back Lecture 21 Announcements • Project 5 due Nov 16 • Ex 7 due Nov 18 •P ro jec t 6 due Dec 8 CS 3214 Fall 2011 Some of these slides are substantially derived from slides provided by Computer Networking: A Top Down Approach Featuring the Internet Jim Kurose, Keith Ross, Addison-Wesley, July 2004 NETWORKING Part 1 CS 3214 Fall 2011 The Internet: “nuts and bolts” view • millions of connected computing devices: hosts = end systems • running network apps communication link local ISP router workstation server mobile CS 3214 Fall 2011 communication links – fiber, copper, radio, satellite – transmission rate = bandwidth routers: forward packets company network regional ISP The Internet: “nuts and bolts” view protocols control sending, receiving of msgs – e.g., TCP, IP, HTTP, FTP, PPP Internet: “network of networks” – loosely hierarchical local ISP router workstation server mobile CS 3214 Fall 2011 – public Internet versus private intranets – Internet vs internet • Internet standards – RFC: Request for comments – IETF: Internet Engineering Task Force company network
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2 “Real” Internet delays and routes > traceroute www.titanic-magazin.de traceroute to www.titanic-magazin.de (62.75.228.90), 30 hops max, 38 byte packets
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This note was uploaded on 12/31/2011 for the course CS 3214 taught by Professor Staff during the Fall '11 term at Virginia Tech.

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Lecture21-networking-intro - Announcements Project 5 due...

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