6.033 lecture 9 hari balakrishnan hari@mitweb.mit.edu/6.033/2015/6.033 spring 2015 lecture 9, slide...

6.033 Spring 2015 Lecture 9, Slide #1

Computer Networks

6.033 Lecture 9 Hari Balakrishnan

hari@mit.edu

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Applications on the Internet

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Applications on the Internet

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Applications on the Internet

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Applications on the Internet

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National Academy of Engineering (http://www.greatachievements.org/)

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An Amazing Infrastructure

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Physical Communication Channels

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Internet users per 100 inhabitants Source: International Telecommunications Union

CC BY-SA 3.0

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Universal Network Layer: IP

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IP packet format (v4 and v6)

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Layering

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Evolution of design

“The choice for network identification (8 bits) allows up to 256 distinct networks. This size seems sufficient for the foreseeable future.”

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