Backend Engineering (Beginner) - The OSI Model - Explained by Example

OSI is a model that standardized the communication in computer system, its what the internet runs on. In this video we will try to learn about the OSI model by example! Stands for Open Systems Interconnection model. In this video we will make a HTTP GET request to a web server and explain how the data flow through the OSI model layers from the application layer, presentation layer, session layer, transport layer, network layer, data link layer and finally physical layer. we will also explain why people tell you not to connect to public WIFIs. Download Slides here https://payhip.com/b/PU6A 0:00 Intro 2:15 public vs private ip address 4:00 Application Layer 5:30 Presentation Layer 6:20 Session Layer 7:20 Transport Layer 9:20 Network Layer 11:20 Data Link 13:00 ARP protocol 14:00 Physical Layer 19:00 Why you shouldn’t connect to public WIFI 🏭 Software Architecture Videos https://www.youtube.com/playlist?list=PLQnljOFTspQXNP6mQchJVP3S-3oKGEuw9 💾 Database Engineering Videos https://www.youtube.com/playlist?list=PLQnljOFTspQXjD0HOzN7P2tgzu7scWpl2 🛰 Network Engineering Videos https://www.youtube.com/playlist?list=PLQnljOFTspQUBSgBXilKhRMJ1ACqr7pTr 🏰 Load Balancing and Proxies Videos https://www.youtube.com/playlist?list=PLQnljOFTspQVMeBmWI2AhxULWEeo7AaMC 🐘 Postgres Videos https://www.youtube.com/playlist?list=PLQnljOFTspQWGrOqslniFlRcwxyY94cjj 🚢Docker https://www.youtube.com/playlist?list=PLQnljOFTspQWsD-rakNw1C20c1JI8UR1r 🧮 Programming Pattern Videos https://www.youtube.com/playlist?list=PLQnljOFTspQV1emqxKbcP5esAf4zpqWpe 🛡 Web Security Videos https://www.youtube.com/playlist?list=PLQnljOFTspQU3YDMRSMvzflh_qXoz9zfv 🦠 HTTP Videos https://www.youtube.com/playlist?list=PLQnljOFTspQU6zO0drAYHFtkkyfNJw1IO 🐍 Python Videos https://www.youtube.com/playlist?list=PLQnljOFTspQU_M83ARz8mDdr4LThzkBKX 🔆 Javascript Videos https://www.youtube.com/playlist?list=PLQnljOFTspQWab0g3W6ZaDM6_Buh20EWM 👾Discord Server https://discord.gg/CsFbFce Support me on PayPal https://bit.ly/33ENps4 Become a Patreon https://www.patreon.com/join/hnasr? Stay Awesome, Hussein Stay Awesome! Hussein