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by Chin-Shiuh Shieh on

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Internet
Interconnection of computer networks running TCP/IP
TCP/IP
Transmission Control Protocol/ Internet Protocol
IP Address
Internet Protocol Address
Each site on Internet has an unique IP address as its identity number.
Packets are routed according to IP address.
bit's IP address: 140.127.112.21
Domain Name
Symbolic name for IP address
Domain name is easier to memorize.
bit's domain name: bit.kuas.edu.tw
Server
A machine or program providing service
Client
A machine or program obtaining service from server
Domain Name Server
A server convert domain name into IP address.
PPP
Point-to-Point Protocol, a protocol make phone line runs TCP/IP
ISP
Internet Service Provider
FTP
File Transfer Protocol
POP
Post Office Protocol, a protocol for receiving e-mail
SMTP
Simple Mail Transfer Protocol, a protocol for sending e-mail
NNTP
NetNews Transfer Protocol
WWW
World Wide Web
HTTP
HyperText Transfer Protocol, a protocol for WWW
URL
Universal Resource Locator, specify Internet service in a unified way
telnet://bbs.kuas.edu.tw
ftp://bit.kuas.edu.tw/pub/util/powarc61.exe
http://bit.kuas.edu.tw/~csshieh
news:comp.answers
mailto:csshieh@bit.kuas.edu.tw
Proxy
A site caching web page to reduce overall network traffic.
CGI
Common Gateway Interface: A standard for web server to communicate with external programs.

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