networking

Learning basic computer and networking technology

Woman working late on computerWelcome to the Guru42 Universe. Your journey to learning basic computer and networking technology concepts starts here at ComputerGuru.Net

Learning computer networking can be intimidating, like learning a foreign language, so many similar sounding words and phrases, and acronyms everywhere.

Many people attack their understanding of a computer concept in the context of using a dictionary to find the meaning of a word they don't understand. It would be difficult to learn a foreign language simply by using a dictionary as your tool.

Likewise, it is difficult to learn technology concepts simply by looking up specific definitions. We organize the material in sections that can be read like a chapter in a book by topics, rather than simply a list of definitions like a dictionary.Since 1998, ComputerGuru.net has attempted to provide self help and tutorials for learning basic computer and networking technology concepts, maintaining the theme, "Geek Speak Made Simple."

We continue to receive positive feedback from all over the world about our technology websites as we attempt to presented material more from a personal "lessons learned" perspective than a text book perspective.

The Internet Family of Protocols The TCP/IP protocol suite

TCP/IP protocol suite graphiicThe Internet Model of computer networking is not merely a reduced version of the OSI Reference Model with a straight line comparison of the four layers of the TCP/IP model to seven layers of the OSI model, as we explain here, and in the next page on the difference between the Internet and OSI reference model

The Internet protocol suite commonly known as TCP/IP is a set of communications protocols used for the Internet and similar networks. TCP/IP is not a single protocol, but rather an entire family of protocols.

The network concept of protocols establishes a set of rules for each system to speak the others language in order for them to communicate. Protocols describe both the format that a message must take as well as the way in which messages are exchanged between computers.

Transmission Control Protocol (TCP) and the Internet Protocol (IP), were the first two members of the family to be defined, consider them the parents of the family. Protocol stack describes a layered set of protocols working together to provide a set of network functions. Each protocol/layer services the layer above by using the layer below.

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