Definition

protocol

Contributor(s): Mr. David Udiminue

In information technology, a protocol is the special set of rules that end points in a telecommunication connection use when they communicate. Protocols specify interactions between the communicating entities. 

Protocols exist at several levels in a telecommunication connection. For example, there are protocols for the data interchange at the hardware device level and protocols for data interchange at the application program level. In the standard model known as Open Systems Interconnection (OSI), there are one or more protocols at each layer in the telecommunication exchange that both ends of the exchange must recognize and observe. Protocols are often described in an industry or international standard.

The TCP/IP  Internet protocols, a common example, consist of:

  • Transmission Control Protocol (TCP), which uses a set of rules to exchange messages with other Internet points at the information packet level
  • Internet Protocol (IP), which uses a set of rules to send and receive messages at the Internet address level
  • Additional protocols that include the Hypertext Transfer Protocol (HTTP) and File Transfer Protocol (FTP), each with defined sets of rules to use with corresponding programs elsewhere on the Internet

There are many other Internet protocols, such as the Border Gateway Protocol (BGP) and the Dynamic Host Configuration Protocol (DHCP).

The word protocol comes from the Greek protocollon, meaning a leaf of paper glued to a manuscript volume that describes the contents.

This was last updated in April 2007

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that's good definition.

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I think it will have a gud future I was really very much impressed in this field
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THE PROTOCALL IN DEVLOPMENT ARE ESTABLISATION ON LIFE TRIANGLE ARE ON COMMUCATION IN FILE ARE DEVVLOPMENT IN TIME FILE DEVLOPMENT ARE APPLICATION ARE DEVLOPMENT ARE WORK IN INTER CHANGE FILE IN WINDOW CLASS FILE ARE DEVLOPMENT FILE
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good
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