SKSakshi Kushwahainthesakshistack.hashnode.dev·May 18 · 4 min readWhy a Healthy Application Can Still Become Unreachable — Understanding DNS SimplyWhen people think a website is down, they usually assume: the server crashed the application failed the database stopped working But in real-world infrastructure, that’s not always true. Sometime00
SKSakshi Kushwahainthesakshistack.hashnode.dev·Jul 19, 2025 · 2 min readCloud vs On-Prem, Firewalls, Networking Tools and CommandsAfter learning about how the internet works and the OSI/TCP-IP models, now let’s talk about the practical side of networking. Where is your data actually stored? How is it protected? What are the basic commands you can use to troubleshoot? Let’s...00
SKSakshi Kushwahainthesakshistack.hashnode.dev·Jul 19, 2025 · 4 min readInternet Architecture - OSI Model, TCP/IP, Protocols, Ports & Networking DevicesIn the last post, we talked about how the Internet works and how your data travels through underwater cables. Today, let’s go one level deeper and understand the actual architecture of the internet using models, protocols, ports, and devices. OSI Mod...00
SKSakshi Kushwahainthesakshistack.hashnode.dev·Jul 13, 2025 · 3 min read🌐 How Does the Internet Actually Work?— A Simple Theory by Sakshi The internet — it's all around us. We use it every day for chatting, streaming, gaming, and even learning. But have you ever wondered how it really works? It’s not like you just turn on your mobile data or Wi-Fi router and...00