Modernization of legacy systems
Utilizing data models for problem-solving and responding to new requirements!
At ITS, by adopting a unique data modeling approach, we solve the challenges inherent in legacy systems while inheriting their benefits and achieving a reconstruction that incorporates new business requirements. Methods for reconstructing legacy systems include rehosting (refreshing only the infrastructure), rewriting (replacing development languages and tools), straight conversion (recompiling in a new language), and rebuilding (reconstructing from scratch). However, we believe these methods are insufficient as means to address the challenges inherent in legacy systems. **Benefits of Model Creation** - Untangles complex information and provides a stable data structure - Inherits strengths from the current system while adapting to new business requirements - Eliminates individual dependency through standardized model creation techniques - The logical model serves as a consistent common blueprint from system construction to maintenance *For more details, please download the PDF or feel free to contact us.*
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**Challenges Inherent in Legacy Systems** ■ Technical Challenges - Becoming a black box, making it difficult to apply to new businesses - Information is scattered and redundant, hindering data utilization ■ Human Resource Challenges - Personalization and shortage of skilled technicians ■ Cost Challenges - Increased modification costs due to system complexity - Maintenance of vast system documentation *For more details, please download the PDF or feel free to contact us.*
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Our company provides high-speed application development based on our customers' businesses through model-based "TM (T-shaped ER method)" development. By expressing and visualizing the business in a tangible form and analyzing it, we propose systems that are truly beneficial for management.
