Abstract
Security of the quality of the system has been demanded from a custmer in the system which is called mission-critical-system. I introduce that it contributes to securing of system quality to secure the quality of the infrastructure as 1 example on pushing forward the development of the system. I introduce a point and the content that I acted as an example to secure the quality of the infrastructure. I am convinced that I have you find reference and a point in other system development spots, I believe that I am connected for way of thinking and solution to system development excavation for new development promotion that is mission-critical-system.
