Multiphase confinement for intrusion tolerant database system
用于入侵容忍数据库系统的多阶段控制技术

Traditional damage confinement of intrusion tolerant database systems is one phase. Damaged objects are confined until damage assessor finds they are damaged. However, time latency causes damage spread. Serious damage spread usually causes the unavailability of database systems. To solve the problem, multiphase confinement solution was given. The model of multiphase confinement solution was defined, The functions of the phases of multiphase confinement solution were descrlhed. Finally, the model was evaluated and analyzed through experiments. Multiphase confinement solution can defuse time latency and avoid damage spread, so it can confirm the availability of database systems effectively.