Roadmap to becoming a developer in 2022
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# OSI Model
Open Systems Interconnection (OSI) model is a **conceptual** model consists of 7 layers, that was proposed to standardize the communication between devices over the network. It was the first standard model for network communications, adopted by all major computer and telecommunication companies in the early 1980s.
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<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.cloudflare.com/en-gb/learning/ddos/glossary/open-systems-interconnection-model-osi/'>What is OSI Model?</BadgeLink>
<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=dV8mjZd1OtU'>OSI Model</BadgeLink>
# TCP/IP Model
TCP/IP model is a **practical** model consists of 4 layers. The modern Internet is based on this model.
<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.geeksforgeeks.org/tcp-ip-model/'>What is TCP/IP Model?</BadgeLink>
<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=F5rni9fr1yE'>OSI vs TCP/IP Model</BadgeLink>