THE INTER-NET Rocky K. C. Chang13 Sept. 2010. Some history may help 2.

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Presentation transcript:

THE INTER-NET Rocky K. C. Chang13 Sept. 2010

Some history may help 2

A view ( 3

Another view 4

Some milestones 5

6

Fathers of the Internet 7  Vinton Cerf  Bob Kahn  INTERNET PIONEERS CERF AND KAHN TO RECEIVE ACM TURING AWARD Team Developed Architecture for Computers to Communicate  ( /2_2005/turing_2_14_2005.cfm) /2_2005/turing_2_14_2005.cfm  Leonard Kleinrock (

Recent developments 8

Running out of IPv4 addresses 9

Providing reliable service 10

Providing quality service 11

Providing secure services 12  “India tops list of most cyber secure nations”

Ubiquitous access 13

TCP/IP 14

From ARPANET to Internet 15  Internet is a network of networks (network integration).  Started off as an experimental packet-switched network  Packet switching (vs. circuit switching and message switching)  4-node ARPANET  BBN Technologies  Create a logical network on top of different physical networks.

16

The TCP/IP protocol suites 17  Internet protocol suite, or TCP/IP protocol suite  TCP/IP becomes the de facto standard for open system networking less than ten years ago (replaced the OSI protocol).  No one owns the TCP/IP technology The Internet Architecture Board (IAB) ( The Internet Engineering Task Force (IETF) ( The Internet Corporation for Assigned Names and Numbers (ICANN) (

Who is this? 18

OSI vs TCP/IP 19

ICANN - Internet Corporation for Assigned Names and Numbers 20  … dedicated to keeping the Internet secure, stable and interoperable. It promotes competition and develops policy on the Internet’s unique identifiers.  The Internet Assigned Numbers Authority (IANA)  Regional Internet registries  AfriNIC  ARIN  APNIC  LACNIC  RIPE NCC

21

APNIC/APRICOT

IETF 23

The model 24  A four-layer model (hour-glass)  The hour-glass model is everywhere. … FTPHTTPNV TFTP TCP UDP IP NET 1 2 n Application Transport Network Data-link

The hour-glass model 25

The protocol suite 26

Conclusions 27  History of the Internet  Recent developments of the Internet  Management and engineering sides of the Internet  The TCP/IP protocol suites

Acknowledgements 28  Thanks to all the sources where the diagrams were extracted from.