Tibero TAC(Tibero Active Cluster) guarantees reliable and seamless service even in various types of failure situations with shared disk-based. During a node failure, TAC automatically fails over to a normal node and scales flexibly through horizontal scaling of active nodes. Tibero is a high-performance, highly secure, highly scalable relational database management system (RDBMS) for enterprises that want to fully leverage their mission-critical data. In a world where data is at the core of everything, Tibero provides an enhanced view of processing, managing and securing large-scale databases. Highly compatible with Oracle, Tibero lets you leverage your on-premise software defined data center (SDDC) investment by embracing a simple licensing model similar to software as a service (SaaS) subscription pricing.