WTA1_Internet_Technology

WTA1_Internet_Technology - WTA Topic 1 : Internet...

Info iconThis preview shows pages 1–11. Sign up to view the full content.

View Full Document Right Arrow Icon
WTA Topic 1 : Internet Technology Text Reference Programming the World Wide Web, 4 th Edition, Robert W. Sebesta 1 Subject Incharge Pratidnya S. Hegde Patil
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Origins of Internet US Department of Defense (DoD) wanted a new rge cale omputer etwork 960 large-scale computer network in 1960s. Purpose : Communications, file sharing, email and remote computer access for researchers working on defense related contracts. Network should be robust. 2 ARPAnet not available for educational institutions. BITNET and CSNET developed for email facilities. NSFnet was created in 1986 connected
Background image of page 2
Internet Huge collection of DIVERSE DEVICES connected in a communications network. Single low-level protocol TCP/IP. It allows all devices connected to the Internet to appear exactly the same. Instead of connected every device to Internet, reate cal etwork e rganisation nd 3 create a local network in the organisation and connect one of the node’s to Internet. Thus Internet is network of networks rather than a network of computers.
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Internet Protocol Addresses b Internet nodes s for People identified by names and s for Computers identified by numeric addresses. b IP addresses(32-bits) are four 8-bit digits eparated y ot perator 4 separated by dot operator. b IPv6 expanded to 128 bits.
Background image of page 4
Domain Names Difficult for people to remember numbers of achines n e ternet o xtual ames machines on the Internet so textual names used instead. Begins with host machine followed by progressively larger enclosing collection of machines called domains. Called as 5 . : collection of machines on the Internet for converting fully qualified domain name to an IP address.
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Domain Name Service (DNS) 6
Background image of page 6
Protocols that run on top of TCP/IP To support a variety of Internet uses. : to allow a user on one computer to log on to and use another computer. : 7 to transfer files among computers on the Internet. : to serve as an electronic bulletin board. : to allow users on other
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Restricted the growth of Internet as : x Each had their own user interface x Useful for only the intended purpose it was designed. x Users were required to all learn all different interfaces to gain all 8 advantages of Internet.
Background image of page 8
WWW or Web New protocol for the Internet and also a system of document access. Designed to allow a user anywhere on the Internet to search for and retrieve documents from databases on any number of different document-serving computers. : links for nonsequential browsing. ontextual formation. 9 : nontextual information. Vast document access through Web Browsers provided by Web Servers.
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
and other devices connected by equipment that allows to communicate with each other. 10
Background image of page 10
Image of page 11
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 09/04/2011 for the course IT 103 taught by Professor Php during the Spring '11 term at University of Mumbai.

Page1 / 36

WTA1_Internet_Technology - WTA Topic 1 : Internet...

This preview shows document pages 1 - 11. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online