ABAkhilesh Bhayyeindevops-journal.hashnode.dev·Aug 27 · 6 min readNetworking FundamentalsNetwork Fundamentals for DevOps A few weeks ago I started learning computer networking from scratch - from physical internet (Devices, LAN,WAN,MAN, etc.), internet addressing, OSI model, TCP/IP model,00
BSBikash Shawinbackendblogs.hashnode.dev·Aug 20 · 6 min readComputer Networks #2: OSI & TCP/IP ModelsOSI Model OSI stands for Open Systems Interconnection. It divides network communication into seven layers. Physical Layer The Physical Layer deals with the actual transmission of raw bits. We're tal00
SSunnyincybersecurity-learning.hashnode.dev·Jul 26 · 15 min readTryHackMe Introductory Networking Beginner-Friendly Learning GuideIntroduction I recently completed the Introductory Networking room on TryHackMe as part of my ongoing cybersecurity learning journey. Networking is one of the most important foundations of cybersecuri00
ASAbhijeet Shindeinweeklyupdate.hashnode.dev·Jul 26 · 8 min readRouting, ICMP & the UDP Datagram — How Data Travels, Gets Diagnosed, and Moves Fast1. Why This Topic Matters I'd been saying "the router forwards it" for several posts now without ever explaining what that forwarding decision actually looks like — so that's where this one starts, br00
DVDhiti Varmaindhitivarma.hashnode.dev·Jul 6 · 17 min readNetworking Essentials for BeginnersIntroduction: Networking is the backbone of modern communication, enabling billions of devices to connect and exchange information across the globe. Whether you're browsing a website, sending an email10
JJJeji Jamesinjeji-james.hashnode.dev·Jun 18 · 2 min readUnderstanding the OSI Model and TCP/IP LayersWhen devices communicate over a network, that communication happens in structured layers, each with a specific job. The two main models used to describe this are the OSI Model (7 layers, theoretical/c00
LDLakshay Dhoundiyalinlakshaydhoundiyal.hashnode.dev·Jun 9 · 7 min read🧠 A Day in the Life of an Internet Packet: From Tap to Data Center🚀 One Tap, A Global Journey You tap Instagram. Within milliseconds, your feed appears - photos, reels, stories, perfectly loaded, as if it was already there waiting for you. But it wasn’t. Behind tha30
Xxkaranx5inknkrn5.hashnode.dev·May 20 · 1 min readOSI Model Explained Visually — From Browser to ServerI have been building a visual breakdown of the OSI Model and what actually happens when data travels from your browser to a server. 🌐 Most explanations stop at “7 layers,” but I wanted to understan00
YPYejun Parkinyejunpark3.hashnode.dev·May 17 · 14 min readInside the Internet's Core: A Deep Dive into the Network Layer Data PlaneIf you've ever wondered what actually happens when a packet of data leaves your laptop and somehow finds its way to a server thousands of miles away — passing through dozens of nameless machines along00
OSOm Shirbhateindev-ops-blogs.hashnode.dev·May 9 · 3 min readTCP vs UDP: When to Use What, and How TCP Relates to HTTPIntroduction Until now, we have explored how DNS works, how TCP establishes communication, and how browsers request webpages. But before understanding TCP vs UDP, we must first understand why protocol00
