Network Protocols and the OSI Model Explained

Network Protocols

A protocol is a set of rules that enable the transfer of data between two or more computers.

Level Architecture

The purpose of the level architecture is to reduce the complexity of logically grouping data communication functions in certain areas of responsibility (levels).

Features

Each level provides services to the upper level and receives services from the lower level.

A message from a top level contains a header with information to be used in the receiving node.

The set of services

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Understanding the Internet: Structure, Features, and Uses

Understanding the Internet

The Internet comprises a large number of computers that exchange information with each other through a telephone connection. They use a common protocol, TCP/IP. It is a worldwide computer network. A user connects to the network through TCP/IP, and you can contact your Internet Service Provider (ISP), making them aware of your physical address. Using TCP/IP, the ISP assigns an IP address to your PC and network access. To access this page, a domain is provided that is translated

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