Analysis of System Level Design Implementation in High-Level Design and Application Architecture on Support Stream System

Computer Engineering

The research was conducted at PT. PLN Persero is Indonesia's largest electricity company providing electricity services to approximately 60 million customers nationwide. PLN Persero manages the information systems that support the company's business operations. One of the challenges faced by the division is the presence of scattered local unit applications throughout Indonesia, which are difficult to control and update centrally. Therefore, there is a need to transition from local unit applications to centralized applications in the Support Stream by integrating the applications through Enterprise Architecture Planning (EAP). This study employed a case study method, collecting data through interviews, observations, and document analysis to analyze High-Level Design architecture and application integration in Central PLN. The research findings indicate that implementing System Level Design at the High-Level Design (HLD) and Application Architecture levels can ensure architectural consistency and quality and reduce future application maintenance costs. Thus, implementing System Level Design at the HLD and Application Architecture levels is crucial in application development as it can provide significant long-term benefits to the organization.

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