This is a brief introduction to network protocols, we will talk about the ISO/OSI model TCP/IP protocol by examining in detail each layer, the Internet infrastructure, physical means, application layer etc. A network protocol, in telecommunications, is a particular type of communication protocol used to operate a computer network or the formal a priori definition of the methods or rules of interaction that two or more electronic devices connected to each other must comply with in order to operate particular functions processing necessary for the performance of a certain network service. In a broader sense, a communication protocol can be defined as a set of rules that are established to establish correct communication: for example, two people of different mother tongue could agree on the use of the English language to communicate.
LINKS AND NODES
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NETWORK DEFINITION
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CLASSIFYING THE NETWORKS
- WAN Expands to the level of Region, State, Continent.
- LAN is at the level of private cabling, a building, an office, a university, things like that. It can range from 10 meters to about 1 Km. The connection can be made via Wi-Fi bridges or Ethernet cables.
- PAN ranges from 1 meter to 10 meters for example a smartwatch that communicates with the mobile phone via Bluetooth, this is also a network in fact we have two nodes connected via Bluetooth.
PROTOCOLS
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