Lecture 1Kanida Sinmai

ksinmai@hotmail.comhttp://mis.csit.sci.tsu.ac.th/kanida

Lectures and Practicals• Mon 8-10 SC1222• TUE 13-15 SC1222

Office: SC1421email: ksinmai@hotmail.comWebsite: mis.csit.sci.tsu.ac.th/kanida

Why?

History of the internet

History of the internet

History of the internet

WWW

Internet map

https://en.wikipedia.org/wiki/File:Internet_map_1024.jpg

Internet• Internet is a network of computer networks• Data is transmitted by packet switching using

the standard Internet Protocol (IP)• Packet – a unit of information carriage• Packet switching – process of moving packets

from one node (computer device) to another

Internet Services• Email• Web (World Wide Web)• FTP (File Transfer Protocol)• Instance massaging• etc.

Major Components

• Web Clients: web browsers e.g. IE, Chrome, Firefox • Web Servers: IIS, Apache• DNS (Domain Name System):

– IP Address• HTTP (HyperText Transfer Protocol) Protocol for the

web • HyperText• Static and dynamic content

DNS working

URLs (Uniform Resource Locator)• Web Address

https://en.wikipedia.org/wiki/Domain_Name_System

• DNS: en.wikipedia.org

URLs (Uniform Resource Locator)• The elements in a

URL:Protocol://server's address/filename• Hypertext protocol: http://www.aucegypt.edu• Gopher protocol: gopher://gopher.umm.tc.edu• File Transfer Protocol: ftp://ftp.dartmouth.edu• Telnet Protocol: telnet://pac.carl.org

Client-side coding Server-side coding

DataBase