PGPraveen Guptainarchitectify.hashnode.dev·Dec 27, 2025 · 5 min readReal-Time Web Architecture: Polling, SSE, and WebSockets ExplainedYou built a dashboard. Maybe it tracks stock prices, ride-share drivers, or server metrics. To keep it updated, your first instinct was probably to set a timer in the frontend to fetch data every two seconds. "Where is the data?" ... "Where is the da...00
PGPraveen Guptainarchitectify.hashnode.dev·Dec 18, 2025 · 5 min readREST vs GraphQL: The Architecture DecisionPicture this: You are building a mobile dashboard. The product manager wants a single screen showing the user's profile, their last three orders, and a list of unread notifications. If you stick to standard REST principles, you are immediately faced ...00
PGPraveen Guptainarchitectify.hashnode.dev·Dec 17, 2025 · 4 min readHTTP/1.1 vs HTTP/2 vs HTTP/3: The Engineer's GuideWe moved from a single-lane road (HTTP/1.1) to a multi-lane highway that creates traffic jams when one car crashes (HTTP/2), to a fleet of independent drones that don't care about roads (HTTP/3). Here is the deep dive into why. The "Last Mile" Proble...00
PGPraveen Guptainarchitectify.hashnode.dev·Dec 16, 2025 · 5 min readDNS: The Distributed Database You Take for GrantedThe 3:00 AM Migration Failure It’s 3:00 AM. You’ve just migrated your primary database to a new region to handle increased load. You updated the connection string configuration in your application servers to point to the new hostname db-primary.inter...00
PGPraveen Guptainarchitectify.hashnode.dev·Dec 15, 2025 · 6 min readTCP vs UDP: The Architecture of Reliability vs. SpeedThe Latency Trap You deploy a real-time voice chat feature for a collaborative workspace tool. It works perfectly on your gigabit fiber connection in the office. Then users go mobile. Suddenly, reports flood in: audio is choppy, lagging by seconds, a...00
