Category System Design

Concept Explanation gRPC (gRPC Remote Procedure Call) and Protocol Buffers (Protobuf) are powerful technologies designed for high-performance, low-latency communication in distributed systems. As of 09:43 AM IST on Monday, October 13, 2025, gRPC and Protobuf are widely adopted in microservices…

Introduction Representational State Transfer (REST) APIs have become a cornerstone of modern software architecture, facilitating seamless communication between clients and servers in distributed systems. As of 05:39 PM IST on Friday, October 10, 2025, REST remains a dominant paradigm for…

Concept Explanation REST (Representational State Transfer) and GraphQL are two prominent paradigms for designing APIs, enabling communication between clients (e.g., web or mobile applications) and servers in distributed systems. As of 05:13 PM IST on Friday, October 10, 2025, both…

Concept Explanation A webhook is an event-driven mechanism that enables asynchronous communication between systems by allowing one application to send real-time data to another application via HTTP callbacks when specific events occur. As of 05:10 PM IST on Friday, October…

Concept Explanation Real-time communication is a cornerstone of modern web and mobile applications, enabling instantaneous data exchange between clients and servers for functionalities such as live chats, stock tickers, real-time notifications, and collaborative tools. As of 05:07 PM IST on…

Concept Explanation Service discovery is a critical mechanism in microservices architectures, enabling individual services to dynamically locate and communicate with one another in a distributed, scalable environment. As of 05:05 PM IST on Friday, October 10, 2025, microservices have become…

Concept Explanation An API Gateway is a specialized server that acts as a centralized entry point for managing, routing, and processing API requests in distributed systems, particularly in microservices architectures. As of 05:02 PM IST on Friday, October 10, 2025,…

Concept Explanation Load balancers, reverse proxies, and API gateways are critical components in modern system design, each serving distinct yet overlapping roles in managing network traffic, enhancing performance, and ensuring security and scalability. As of 11:33 AM IST on Friday,…

Concept Explanation A proxy server and a reverse proxy are intermediary systems that facilitate communication between clients and servers, but they differ fundamentally in their orientation, purpose, and operational context. As of 05:00 PM IST on Friday, September 26, 2025,…