IT infrastructure service is a comprehensive service, aimed to provide corporations with stable, efficient, and secure IT infrastructure support to meet the needs of business operations and development. These services usually include the procurement, deployment, maintenance and management of hardware equipment; the configuration and management of network equipment; the installation, debugging and maintenance of systems, etc. The goal of IT infrastructure service is to ensure the stability, reliability and security of the corporation's IT environment to protect the everyday operation of the corporation's business as well as the safety and reliability of data.