Microservices architecture, distributed systems, cloud computing, containerization, Docker, Kubernetes, service mesh, event-driven, request-response, API gateway, load balancing, auto-scaling, real-time data processing, event sourcing, CQRS, layered architecture, n-tier architecture, monolithic architecture, SOA, client-server architecture, peer-to-peer architecture, space-based architecture, distributed database systems, NoSQL databases, relational databases, in-memory data grids, message queues, enterprise service bus, business process management, workflow management, rules engine, API management, gateway router, circuit breaker pattern, service discovery, configuration management, container orchestration, DevOps, continuous integration, continuous deployment, monitoring and logging, analytics and reporting.