Microservice architecture, system integration, network topology, cloud computing, scalable design, fault-tolerant, distributed systems, load balancing, RESTful APIs, containerization, Docker, Kubernetes, service mesh, monitoring dashboard, real-time analytics, data visualization, UML diagrams, component interactions, message queues, caching layers, security protocols, access control lists, encryption algorithms, DevOps practices, agile development methodologies, software engineering principles, system scalability, reliability, maintainability, performance optimization, latency reduction, resource utilization, cloud-native applications, digital transformation, IT infrastructure modernization, technology stack selection.