Matakuliah
Tahun
: V0062/Pengantar Teknologi Informasi
: 2008
Internet & World Wide Web
Pertemuan 7
1
World of the Internet
2
Internet
• Internet : worldwide computer network that connects hundreds of
thousands of smaller networks, such as educational, commercial,
nonprofit, and military organizations
• Evolution of the internet
• The web & How it works :
–
–
–
–
Website – the domain on the computer
Web pages – the documents on a website
Browsers – software for connecting with websites
URLs – addresses for web pages
• 4 types of search engines :
–
–
–
–
Human-organized search sites
Computer created search sites
Hybrid search sites
Metasearch sites
3
Internet
• Internet2 : The new internet??
» Cooperative university/business education and
research project that enables high – end users to
quickly and reliably move huge amounts of data over
high – speed networks
• ICANN : The Internet Corporation for
Assignes Names & Numbers
» Private corporation that regulates the domain names
that overlie IP addresses & identify the website type
4
Internet
• Future of the internet
» Internet2
A new, faster telecommunications network with limited
access, devoted exclusively to research purposes
» Next-Generation Internet (NGI)
A multiagency, U.S federal government research and
development program that is developing
revolutionary applications that require advanced
networking
» Very high speed backbone network service (vBNS)
A high-speed network designed to support the
academic internet2 and the NGI initiative
5
World Wide Web (WWW)
• The internet & World Wide Web are not the
same thing. The internet functions as a transport
mechanism, and the world wide web is an
application that uses those transport functions
• WWW is a system with universally accepted
standarts for storing retrieving, formatting, and
displaying information via a client/server
architecture; uses the transport functions of the
internet
6
Internet Challenges
• Internet regulation
• Internet expansion
• Internet privacy
»Cookie
7
INTRANETS & SECURITY
• Intranet : a private network that uses
Internet software and TCP/IP protocols
• Security
»
»
»
»
»
Public key security
Encryption
Digital certificate
Firewall
Assured pipeline
8
QUIZ
• What industries should pay close attention to
efforts to regulate internet? (Individual)
• Access JW Marriot hotel website, prepare a
report on the most interesting content you find
there
• Find two hotel website on the web that are in the
same business, Compare the websites of the
pairs you have chosen on the basis of ease-ofuse and usefulness. Pick the better website in
each pair and explain your choice (Group
discussion)
9