Jan 31 · 4 min read · Modem What is a Modem? A modem (modular demodulator) has only one job: Analog to Digital Digital to Analog and amplitude, phase, frequency modulation along with demodulation. Credit: GeeksForGeeks How it connects your network to the internet? I...
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Jan 30 · 13 min read · If you're a software engineer like me, you've probaly spent hours debugging API endpoints, optimizing database queries, and deploying containers to the cloud. But have you ever stopped to think about what actually happens between the moment a user hi...
Join discussionJan 29 · 3 min read · How the Internet Reaches Your Home or Office When you open a website or use an app, your data travels through multiple networking devices before reaching the internet.Each device has one clear job. Together, they make communication fast, reliable, an...
Join discussionJan 28 · 5 min read · Behind every digital activity that you do on internet today lies a complex and sophisticated ecosystem of network hardwares. These systems orchestrate the flow of data across the globe, ensuring that everything from media streaming to enterprise-leve...
Join discussionJan 28 · 6 min read · People often talk about AI, ML, the Internet, and Cloud technology but underneath of this things there are multiple hardware devices that are still as relevant as this technologies. And because of these hardware devices the data often fly to one plac...
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Jan 28 · 4 min read · What solution comes to mind when the internet stops working. Probably to restart the router, right ?. If you were born before the early 2000, you will probably remember there being two routers one with an antenna and one without one. The one without ...
Join discussionJan 28 · 5 min read · How the internet actually reaches your system Before we talk about DNS, TCP, HTTP, browsers, or backend systems, we need to pause and ask a simpler question: How does the internet even reach your laptop, phone, or server? Most explanations skip this ...
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Jan 7 · 9 min read · Why do some bugs only appear after deployment, even when tests pass locally? Early in my backend work, I kept hearing discussions around stateful vs stateless. It felt academic at first, but once I started dealing with scaling issues, flaky tests, an...
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Nov 14, 2025 · 2 min read · A stateful firewall tracks the state of connections. When it allows traffic in one direction, it automatically allows the return traffic. It remembers the entire session. AWS Security Groups are stateful. They only use allow rules, and they do not ne...
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Oct 21, 2025 · 8 min read · Key Insights on Fortinet's SD-WAN Challenges Session-Based Limitations: Research suggests Fortinet's SD-WAN relies on session-based load balancing, which may lead to downtime during WAN disruptions, as sessions cannot seamlessly switch paths mid-flo...
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