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Introduction In modern distributed systems, APIs are critical for enabling communication between services, clients, and external systems, particularly in microservices architectures handling high-scale traffic (e.g., 1M req/s) and requiring high availability (e.g., 99.999% uptime). As systems evolve, APIs must adapt…

Introduction In large-scale web applications, traditional monolithic front-end architectures often become unwieldy, leading to challenges in scalability, maintainability, and team autonomy. Micro Frontends extend the microservices philosophy to the front-end, enabling independent development, deployment, and scaling of UI components or entire sections…

Introduction In microservices architectures, managing inter-service communication is a complex challenge due to the distributed nature of systems, requiring robust solutions for scalability (e.g., 1M req/s), resilience (e.g., 99.999% uptime), security, and observability. A Service Mesh is a dedicated infrastructure layer that…

Introduction In microservices architectures, ensuring system resilience is critical to maintain high availability (e.g., 99.999% uptime) and handle failures gracefully under high load (e.g., 1M req/s). Resiliency patterns such as Circuit Breaker, Bulkhead, Retry, and Timeout address these challenges by mitigating cascading failures, isolating faults, and managing…

Introduction In microservices architectures, auxiliary design patterns such as the Sidecar, Ambassador, and Adapter Patterns enhance service functionality by offloading cross-cutting concerns, simplifying external integrations, and adapting interfaces, respectively. These patterns address challenges like scalability (e.g., 1M req/s), resilience (e.g., 99.999% uptime), and maintainability…

Introduction The Strangler Fig Pattern is a strategic approach for incrementally migrating a monolithic application to a microservices architecture by gradually replacing components of the monolith with microservices. Inspired by the strangler fig plant, which grows around a host tree and eventually…

Introduction In microservices architectures, managing distributed transactions across multiple services is a significant challenge due to the absence of traditional ACID (Atomicity, Consistency, Isolation, Durability) transactions provided by monolithic databases. The Saga Pattern addresses this by coordinating a series of local transactions…

Introduction In microservices architectures, managing service requests efficiently while maintaining scalability, security, and a seamless client experience is a critical challenge. The API Gateway and Aggregator Pattern are design patterns that address these challenges by providing a centralized entry point for client requests and…

Introduction Domain-Driven Design (DDD) is a software development approach that emphasizes modeling software around the business domain, fostering close collaboration between technical and domain experts to create systems that are maintainable, scalable, and aligned with business needs. In microservices architectures, DDD…