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Materi Kuliah Pemasaran Interaktif Departemen Ilmu Komunikasi FISIP Universitas Indonesia

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how does the internet work

How does the Internet Work?

Coky Fauzi Alfi, SE

what is the internet
What Is the Internet?

It is the largest computer system in the world, consisting of thousands of connected networks.

A network is a collection of computers, from two to thousands that are linked using special rules called protocols.

When computers are connected to the Internet, they are able to communicate and share information.

terminology internet vs web
Terminology: Internet vs. Web

The Internet and the World Wide Web are not synonymous:

the Internet is a collection of interconnected computer networks, linked by copper wires, fiber-optic cables, wireless connections, etc.;

the Web is a collection of interconnected documents and other resources, linked by hyperlinks and URLs.

history of the internet

History of the Internet
what is the internet infrastructure
Regular Modem

Cable modem or cable network

Digital Subscriber Line (DSL)

Fiberoptic cable



Cell phone

What Is the Internet Infrastructure?
how does the dns work
How Does the DNS Work?

The domain name system (DNS) will take care of the translation of a domain name into an IP address or vice versa.

For example, if a user were to type the URL, the DNS would translate it into an equivalent IP address of

international domain names
International Domain Names

Domain names outside the United States are, for example, as follows: Australia = au, India = in, Japan = jp, China = cn, United Kingdom = uk, South Africa = za.

A domain for a university in Japan could be, for example, where the domain ac stands for academic (college or university), analogous to edu in the United States, to denote colleges and universities.

top level domains
Top-Level Domains

.com (commercial)

.edu (higher education)

.net (networking companies)

.org (nonprofit organizations)

.gov (U.S. federal government)

.mil (U.S. military)

.int (international treaties)

new top level domains
New Top-Level Domains

.aero (air-transport industry)

.biz (business)

.coop (cooperatives)

.info (information)

.museum (museum)

.name (for registration by individuals)

.pro (accountants, lawyers, physicians, etc)

.tv (television)


PANDI (Pengelola Nama Domain Internet Indonesia) adalah badan hukum yang dibentuk oleh perwakilan dari komunitas teknologi informasi dan telah memenuhi syarat sebagai badan hukum di Indonesia.

PANDI memiliki maksud dan tujuan untuk mengembangkan dan menyediakan jasa layanan yang lain terkait dengan nama domain.

available domain names for id
.CO.ID komersial, badan usaha dan sejenisnya

.NET.ID penyedia jasa telekomunikasi yang berlisensi

.AC.ID akademik, universitas, perguruan tinggi dan sejenisnya

.SCH.ID sekolah

.GO.ID institusi pemerintah dan sejenisnya

.MIL.ID instansi militer

.OR.ID organisasi selain organisasi di atas

.WEB.ID pribadi atau komunitas

Available Domain Names for .id
common uses of the internet

The World Wide Web

Remote access


File sharing

Streaming media

Voice telephony (VoIP)

Common Uses of the Internet
computer based vs web based email
Computer-Based vs. Web-Based Email

Computer-based email stores your incoming messages on a server until you are ready to collect them. Once you download the messages, they are deleted from the server and stored on your PC.

With web-based email, you use your internet browser to go to the email provider's site, then log in with a user name and password. The email provider stores all your messages for you.

computer based email
Outlook (

Outlook Express (



Thunderbird (

Eudora (

Computer-Based Email
web based email
Yahoo mail (

Gmail (

MSN Hotmail (

.Mac (

Web-Based Email
e mail server system
SMTP server, where SMTP stands for Simple Mail Transfer Protocol. The SMTP server handles outgoing mail.

POP3 server or an IMAP server, POP3 stands for Post Office Protocol and IMAP stands for Internet Mail Access Protocol, both of which handle incoming mail.

E-Mail Server System
world wide web
World Wide Web

The World Wide Web (commonly shortened to the Web) is a system of interlinked, hypertext documents accessed via the Internet.

With a web browser, a user views web pages that may contain text, images, videos, and other multimedia and navigates between them using hyperlinks.

www tools
Web Server

Web Page

Web Browser

Web Address

WWW Tools
remote access
Remote Access

A service which makes it possible to connect to a network or the Internet from a distant location

remote access tools
Virtual Private Network (VPN)

Telecommunication Network (Telnet)

Secure Shell (SSH)

Remote Access Tools
collaborative software
Collaborative Software

Collaborative software (also referred to as groupware or workgroup support systems) is software designed to help people involved in a common task achieve their goals.

the three levels of collaboration
Electronic communication tools

Electronic conferencing tools

Collaborative management tools

The Three Levels of Collaboration
electronic communication tools
synchronous conferencing



voice mail


Web publishing

revision control

Electronic Communication Tools
electronic conferencing tools
Internet forums

Online chat

Instant Messaging


Video conferencing

Data conferencing

Application sharing

Electronic meeting systems

Electronic Conferencing Tools
collaborative management tools
electronic calendars (also called time management software)

project management systems

workflow systems

knowledge management systems

prediction markets

extranet systems (sometimes also known as 'project extranets')

social software systems

online spreadsheets

Collaborative Management Tools
file sharing
File Sharing

File sharing refers to the providing and receiving of digital files over a network, usually following the peer-to-peer (P2P) model, where the files are stored on and served by personal computers of the users. Most people who engage in file sharing on the Internet both provide (upload) files and receive files (download).

file sharing program




File-Sharing Program
streaming media
Streaming Media

Technical term for digital audio or video transmissions via the Internet.

The sound and image data are sent as a data stream to the subscriber.

list of streaming media systems
Pandora (music service)

QuickTime Broadcaster


Winamp a freeware media player for Microsoft Windows

List of Streaming Media Systems
voice telephony voip
Voice Telephony (VoIP)

Voice over Internet Protocol (VoIP) is a technology used to transmit voice conversations over a data network using the Internet Protocol.

voip software
AOL Instant Messenger

Google Talk

iChat AV


Windows Live Messenger

Yahoo! Messenger

VoIP Software
internet hosting service
Internet Hosting Service

An Internet hosting service is a service that runs Internet servers, allowing organizations and individuals to serve content to the Internet or in newbie terms a way for you to keep your website live and viewable on the internet.

types of hosting
Full-featured hosting

Limited or application-specific hosting

Types of Hosting
full featured hosting
Dedicated hosting service

Virtual private server

Colocation facilities

Full-featured Hosting
limited or application specific hosting
Web hosting service

E-mail hosting service

DNS hosting service

Game servers

Wiki farms

Limited or Application-specific Hosting
the process for hosting a web site
Register domain name

Find an Hosting Provider

Find an appropriate server

Develop graphic and HTML content

Upload to web server using FTP to transfer files

The Process for Hosting a Web Site
what to consider when choosing a hosting provider
Storage Space and DataTransfer


Technical Support

Added Features

Pricing Structure

What To Consider When Choosing a Hosting Provider