- Objectives for developing the system architecture
The system architecture was developed with the following three objectives.

1. Efficient construction of an integrated system

   (An integrated system)

   • A concise system
     --> allows diversified usage
     
   • Integrated operations and judgements performed by the system (since systems for measurement, control, and others have been integrated)
     --> reduces burden on the users
   
   (Efficient construction of ITS)
   • Information and functions to be shared among constituent systems
     --> avoids double investment
   • Procurement of equipment from several vendors
     --> enables cost optimization

2. Maintenance of the system expandability
   • Facilities to change and add information and functions
   • Facilities to add new user services and systems

3. Promotion of domestic and international standardization
   • Comparison of current standardization activities and candidate areas of standardization, and clarification of areas not yet considered or duplicated
     -->enables schematic standardization activities that consider priority of items to be standardized

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