There may be multiple legacy systems in an organization, with tens of thousands, to millions, of lines of code. In a modernization approach, a legacy system needs to align with the business strategy and the initial cost of investment. Also, there is a possibility to reutilize some parts of it or completely write it from scratch, but the first step is to conduct the assessment and understand the overall system better. The following points are the primary areas that solution architects need to focus on when conducting an assessment:
- Technology assessment: As a solution architect, you need to understand the technology stack used by the existing system. If the current technology in use is entirely outdated and lacks vendor support, then you might need to replace it entirely. In the case of a better version of the technology being available, then you can consider upgrading. Often, newer versions are backward-compatible, with minimal changes required.
- Architecture...