7/31/2019 Presentation Internet Final

http://slidepdf.com/reader/full/presentation-internet-final 1/14

7/31/2019 Presentation Internet Final

http://slidepdf.com/reader/full/presentation-internet-final 2/14

•

•

•

7/31/2019 Presentation Internet Final

http://slidepdf.com/reader/full/presentation-internet-final 3/14

7/31/2019 Presentation Internet Final

http://slidepdf.com/reader/full/presentation-internet-final 4/14

The internet protocol is the method or protocol by whichdata is sent from one computer to another on theinternet.Each computer (known as a host) on theinternet has atleast one IP address that uniquely

identifies it from all other computers on the internet. 

7/31/2019 Presentation Internet Final

http://slidepdf.com/reader/full/presentation-internet-final 5/14

Addressing

Data Encapsulation and

Formatting/Packaging

Fragmentation andReassembly

Routing / Indirect Delivery 

7/31/2019 Presentation Internet Final

http://slidepdf.com/reader/full/presentation-internet-final 6/14

Computers on a public networkhave the advantage that theyare completely visible to theInternet.

IP helps to maintain a highly

secure environment for thecomputers on the privatenetwork.

The Internet Protocol wasdesigned to only allow a single

connection at a time and tohave this connection be routedto a definite user.

Visibility of computers oftenbecame disadvantge.

7/31/2019 Presentation Internet Final

http://slidepdf.com/reader/full/presentation-internet-final 7/14

Computers are useless unless they perform someservice.

IP addresses and ports form the foundation for Internetservices.

It helps in deciding which method a particular servershould use is a frequent administrator concern.

7/31/2019 Presentation Internet Final

http://slidepdf.com/reader/full/presentation-internet-final 8/14

The World Wide Web (known as "WWW', "Web" or "W3") isthe universe of network-accessible information, theembodiment of human knowledge.

7/31/2019 Presentation Internet Final

http://slidepdf.com/reader/full/presentation-internet-final 9/14

1989-1990 Tin Berners-Lee invents the world wide web at

CERN.

Means for transferring texts & graphics simultaneously.

Lots of previous attempts (Gopher,WAIS,Archie,Xanadu etc).

Client/server data transfer protocol.

Established a common language for sharing information on

computers.

7/31/2019 Presentation Internet Final

http://slidepdf.com/reader/full/presentation-internet-final 10/14

Structural Components: Client/browers-to dominant implementation.

Servers-run on sophisticated hardware.

Caches-many interesting implementations.

Internet-global infrastructure which facilitates data transfers.

Semantic Components:

Hyper text transfer protocol (HTTP).

Hyper text markup language (HTML).

-extensible markup language (XML).

Uniform resource identifiers (URIs).

7/31/2019 Presentation Internet Final

http://slidepdf.com/reader/full/presentation-internet-final 11/14

It is a new way of selling. Moreand more customers expect tofind your product news andspecifications on the web.

You have to advertise yourproduct.Using internet as amedia to advertise your

product is differentfrom traditional media. Through Internet,companies

can be present all over theworld.

Using the web as anadvertising tool is the cheapestway.

Dealing with communicationinteraction Security TheWorld Wide Web is the fastestgrowing part of the Internet.Increasingly.

7/31/2019 Presentation Internet Final

http://slidepdf.com/reader/full/presentation-internet-final 12/14

Represents the growth of a new society within the old.

The greatest free marketplace of ideas that has everexisted.

The WWW is only one of the ways of practicalimplementations of the Internet.

7/31/2019 Presentation Internet Final

http://slidepdf.com/reader/full/presentation-internet-final 13/14

7/31/2019 Presentation Internet Final

http://slidepdf.com/reader/full/presentation-internet-final 14/14