Medium for communication and interaction in inter connected network.
• Makes information constantly and instantly available to anyone with a connection.
• User agent for Web is called a browser:
o Internet Explorer
• Server for Web is called Web server:
o Apache (public domain)
o MS Internet Information Server
Protocols are agreed formats for transmitting data between devices. The protocol determines:
i. The error checking required
ii. Data compression method used
iii. The way the end of a message is signalled
iv. The way the device indicates that it has received the message