• Saturday June 25,2022

Computer Protocol

We explain what a computer protocol is, its properties and some examples. In addition, what is a network and Internet protocol.

A computer protocol regulates the communication between two other systems.
  1. What is a computer protocol?

In computer science and telecommunications, we talk about a protocol to refer to a system of norms that regulate communication between two other systems that transmit information through various physical means.

In other words, the protocol protocols are communication languages ​​between computer systems, defined based on a syntax, a semantics and a synchronization, as well. As of error recovery methods.

Of the protocols it depends, then, to make two or more computer systems able to communicate in an efficient and orderly manner, that is, to speak the same language. These languages ​​are implemented by hardware or software, or combinations of both, and gives each participant in the communication an identity and a specific method of information processing.

These protocols can vary greatly and be more sophisticated, like secret codes. However, they usually have at least one of the following properties:

  • Detection of the underlying physical connection.
  • Negotiation of connection characteristics.
  • Error correction policy.
  • Establishment of the connection and its term.
  • What to do in case of sudden loss of connectivity.
  • Security or encryption strategies.
  • Message format

See also: HTTP.

  1. Examples of computer protocol

A DNS allows you to connect your URL to a specific route.

Some examples of protocol in the computer field are:

  • FTP ( File Transfer Protocol ) . One of the many protocols used to upload or download files at high speeds through a computer network, which privileges effectiveness over security.
  • DNS ( Domain Yam Service ) A naming protocol for Internet web pages, which allows you to connect your URL to the specific path where the resources and information to be displayed are located.
  • HTTP ( HyperText Transfer Protocol ) . Also commonly used on the Internet, it serves to establish hypertexts or information breaks between one page and another, being also a programming language that allows the design of the pages themselves.
  • POP ( Post Office Protocol ) . Specific for email services, it allows retrieving messages stored on a remote server (POP Server), especially on intermittent or very slow connections.
  1. Network protocol

Network protocols are used for communication through computer networks.

The network protocols are specially designed for communication through computer networks, which operate by fragmenting the information sent in small parts, rather than all at once. The parts are easy and fast to transmit, but stored in the order indicated to preserve the meaning and operate together.

These protocols also operate based on different layers, which allow establishing adequate routes to deliver the information to its destination even if there are no direct connections between the sender and the receiver. For this, these layers are handled independently, in two large piles: the one belonging to the transport and the one belonging to the link.

  1. Internet protocol

An Internet protocol is oriented to bidirectional communication.

An Internet protocol (or IP, Internet Protocol ) is a type of communications communications protocol oriented to two - way communication (origin-destination) for transmitting switched packets of information, according to the OSI data link standard.

IPs try to route data packets through the best available route, considering how vast the Internet can be in our day.

The IP protocols do not guarantee the arrival of the packet at the destination, but it does guarantee the security of sending it, so it is considered a datagram service with the best effort, that is, without warranties, so packages may arrive damaged or in another order. In that sense, they are surpassed by the protocols TCP (Transmission Control Protocols).

There are already several versions of this protocol, cataloged as `` IPvX, '' the most current of them is IPv4, whose resource depletion already drives the creation and use of IPv6. Versions 0 through 3 were reserved and version 5 is experimental.

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