Definition
Cluster architecture refers to the design and implementation of interconnected computing systems that work together as a single unit to enhance performance, availability, and scalability. Installation and configuration involve the process of setting up these clustered nodes, defining their roles, and establishing communication protocols for seamless operation. In practice, a cluster architecture distributes workloads across multiple servers, allowing for failover and load balancing to maintain continuous service. This approach is crucial for ensuring high availability and preventing downtime in critical applications. For instance, a web server cluster can handle a surge in traffic by distributing requests among its nodes, preventing a single server from becoming overwhelmed. Unlike a simple server farm, a cluster architecture typically involves sophisticated management and coordination mechanisms to ensure nodes function as a cohesive entity. This concept is often tested in IT certifications such as CompTIA Network+ and AWS Certified Solutions Architect Associate.