INTERNET AND ITS VARIOUS APPLICATION

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WHAT IS INTERNET ?Internet: A worldwide network of networks. It is also the network of

networks that connects millions computers (called hosts). The Internet

is the virtual space in which users send and receive email, login to

remote computers (telnet), browse databases of information (gopher,

World Wide Web, WAIS), and send and receive programs (ftp)

contained on these computers.

The largest network of networks in the world.

Uses TCP/IP protocols and packet switching .

Runs on any communications substrate.

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How did the internet develop?

The internet as we know it today is actually a very large

wide area network (WAN) connecting computers and

networks around the world.

It makes it possible for millions of computer users to

connect to one another via telephone lines, cable

lines, and satellites.

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HISTORY OF INTERNET

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VARIOUS APPLICATIONS OF INTERNET

Internet applications are now widely available and continues to increase along with advances in information technology. Internet applications are then used in various fields such as academic, military, medical, media, and various other industrial sectors. Of the many existing Internet applications, is widely known and used, among others: Word Wide Web (www)Electronic mailMailing lists (mailing lists)NNewsgroupInternet Relay Chat (IRC)File Transfer Protocol (FTP)Telnet, Gopher, and Ping. The function of each application are as follows.

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World Wide Web (WWW) is the most interesting applications in

the Internet and as e-mail, the application is very important and

widely used. Web documents are created with the format of

hypertext and hypermedia using the HTML. HTML has the ability

to connect a document with other documents. HTML documents

created with it can contain text, images, animation, audio etc.

"The World-Wide Web was developed to be a pool of human

knowledge, and human culture, which would allow collaborators

in remote sites to share their ideas and all aspects of a common

project.

WORLD WIDE WEB (WWW)

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Electronic mail, commonly called email or e-mail, is a method of

exchanging digital messages from an author to one or more recipients.

Modern email operates across the Internet or other computer networks.

An email message consists of three components, the message envelope,

the message header, and the message body. The message header

contains control information, including, originator's email address and

one or more recipient addresses. Usually descriptive information is also

added, such as a subject header field and a message submission date/time

stamp.

ELECTRONIC MAIL

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Mailing lists or mailing lists are often also called Internet

applications that are used as a means of discussion or exchange

information within a group via e-mail. Each e-mail sent to a

mailing list address will be sent to all e-mail address is registered

as a member of the mailing list. Mailing actually another form of e-

mail. This facility is used by groups to exchange information and

discuss other members of the group. Mailing list have the same

nature with the e-mail.

MAILING LIST (MILI)

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File Transfer Protocol (FTP) is a standard network protocol used to transfer files from one host to another over a TCP-based network, such as the Internet. FTP is built on a client-server architecture and utilizes separate control and data connections between the client and server. FTP users may authenticate themselves using a clear-text sign-in protocol but can connect anonymously if the server is configured to allow it.

FILE TRANSFER PROTOCOL

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Gopher is an application used to search for information

that is the internet. However, the information sought is

limited to text only. To obtain information through

gopher, you need to connect themselves with the gopher

server on the Internet.

A Gopher server presents its contents as a hierarchically

structured list of files. With the ascendance of the Web,

many gopher databases were converted to Web sites

which can be more easily accessed via Web search

engines.

GOPHER

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Internet Relay Chat (IRC) is an Internet application used to chat on the

internet. Chatting on the internet is known as chat. Chatting is done by typing

what you want to say to your chat friends, then send it in text form. Through

the chat you can meet and talk with other people in other parts of the world.

It is mainly designed for group communication in discussion forums, called

channels, but also allows one-to-one communication via private message as

well as chat and data transfer, including file sharing.

IRC was created in 1988. Client software is now available for every major

operating system that supports Internet access

INTERNET RELAY CHAT (IRC)

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Telnet is the Internet application used to access a computer that is far. Telnet

you can use if you have an IP address (IP address) of computers that will be

accessible, and you also must have access rights (user ID and password).

Telnet is a network protocol used on the Internet or local area networks to

provide a bidirectional interactive text-oriented communications facility

using a virtual terminal connection. User data is interspersed in-band with

Telnet control information in an 8-bit byte oriented data connection over the

Transmission Control Protocol.

TELENET

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1977: 111 hosts on Internet1981: 213 hosts1983: 562 hosts1984: 1,000 hosts1986: 5,000 hosts1987: 10,000 hosts1989: 100,000 hosts1992: 1,000,000 hosts2001: 150 – 175 million hosts2002: over 200 million hostsBy 2010, about 80% of the planet will be on the Internet

INTERNET GROWTH TREND

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Internet - a challenge and an opportunity

With growing user familiarity with Internet users expect compatible

services from Libraries

Developing necessary network, infrastructure, competence and skills are

key requirements for success.

CONCLUSION