Matakuliah Tahun V 0062 Pengantar Teknologi Informasi

Matakuliah Tahun : V 0062/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 • Internet 2 : 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 » Internet 2 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 (v. BNS) A high-speed network designed to support the academic internet 2 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