Industrial background, modern data center, rows of servers, sleek metal racks, blinking lights, Kafka logo, distributed system, nodes connected by lines, producer node, broker node, consumer node, topic partitions, leader election, data replication, ZooKeeper ensemble, Java-based architecture, real-time data processing, streaming data, pub-sub model, fault-tolerant design, horizontal scaling, high-throughput messaging, event-driven microservices.