References

- Integrated maintenance system needed to be established for unification of infrastructure and application maintenance.

- Service quality improvement and optimal IT operation support were required for enhanced customer satisfaction.

- System operation system needed to be improved by service level management.

- Application operation and maintenance services
- Infrastructure (server, network, security) operation and maintenance services
- Service Desk services

By establishment of ITSM-based integration maintenance system and successful early settlement, productivity and work effectiveness has been improved, and quality management activity is enhanced for high quality service. Also for higher IT operation level, various continuous innovations and active risk management are performed.