OSI Layer


프로토콜들은 각자 자신이 맡은 역할이 있고, 보내고자 하는 데이터에 자신의 헤더를 붙혀서 데이터의 정보를 표현
### OSI 7 layers
|Title|
|:-:|
|[Physical Layer](https://texonom.com/physical-layer-d8516dda3a534fac861bace999948eed)|
|[Data Link Layer](https://texonom.com/data-link-layer-642de1c3f40c4b6b9a8212cb07a38591)|
|[Network Layer](https://texonom.com/network-layer-8b7cdfe18b7c4d45aa3425389c67c3e6)|
|[Transport Layer](https://texonom.com/transport-layer-c594fa30c92143cd9d2098c128de330f)|
|[Session Layer](https://texonom.com/session-layer-883bd86885d04950b206cbbc20e4077d)|
|[Presentation Layer](https://texonom.com/presentation-layer-2c445253c28f4bbf9d644b17ebb4a9ac)|
|[Application Layer](https://texonom.com/application-layer-b1e8712019b14b768b0943ac7bdb173d)|


![](https://www.notion.so/image/https%3A%2F%2Fs3-us-west-2.amazonaws.com%2Fsecure.notion-static.com%2F1bf04148-94f2-439c-92d0-1f84a25b106e%2F275773988_1961741027343270_8134180119505428803_n.jpg?table=block&id=c22fce3a-8558-45c5-ba6b-dd30f6ce3a01&cache=v2)


> [https://www.freecodecamp.org/news/osi-model-computer-networking-for-beginners/](https://www.freecodecamp.org/news/osi-model-computer-networking-for-beginners/)

> [OSI 7계층(OSI 7 Layer)과 TCP/IP 4계층 (심화)](https://m.blog.naver.com/PostView.nhn?blogId=demonicws&logNo=40117378644&proxyReferer=&proxyReferer=http:%2F%2Fblog.naver.com%2FPostView.nhn%3FblogId%3Ddemonicws%26logNo%3D40117378644%26fbclid%3DIwAR2WKcaJguqZ3e1_p9sjgXvm-cOmdK8jz0YQWl7kyULw5MoMV7H82cazHy8)





