Lecture 1 Kanida Sinmai ksinmai@hotmail.com http://mis.csit.sci.tsu.ac.th/kanida
Lectures and Practicals Tue 8.30-10.10 SC1346 Office: SC1421 email: ksinmai@hotmail.com Website: mis.csit.sci.tsu.ac.th/kanida
Why?
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