PROTOCOLS

What is a protocol?

A protocol is a set of established and agreed upon rules required to enable effective communication on a network.

NETWORK PROTOCOLS

ü  Protocols can either be developed by a vendor or by a networking standard organization.

ü  A protocol suite is a hierarchical collection of protocols.

ü  One example of the protocol suites includes

ü  TCP (Transport Control Protocol)/IP (Internet Protocol) Protocol Suite

EXAMPLES HUMAN PROTOCOLS

ü  Shakes hands while greeting

ü  Bending

ü  Kneeling

ü  Putting a hand on the head

ü  Kissing

ü  Hugging etc

Network Protocols examples

There is a standard protocol for each network communication task, such as:

- how to send data over the Internet (TCP/IP)

- how to send and receive email (POP, IMAP)

- how to request and deliver web pages (HTTP)

- how to request and deliver files (FTP)