To convince stakeholders to allocate more budget for enhancing critical system performance, emphasize the direct business impact. Start by highlighting how improved performance can increase productivity, reduce downtime, and enhance user experience, which leads to higher customer satisfaction and retention. Demonstrate the costs of inefficiency, including lost revenue, reputational risk, and potential security vulnerabilities. Provide data-driven ROI estimates to show long-term savings and scalability benefits. Lastly, explain how investing now avoids larger expenses later, positioning the company ahead of competitors by ensuring a reliable and high-performing infrastructure.

Present clear data showing current performance issues and their impact on business goals. Outline specific improvements and how they drive ROI. Provide a detailed budget breakdown linking each expense to tangible benefits. Highlight risks of not investing, such as lost revenue or competitive disadvantage. Use case studies or benchmarks to validate your proposal. Communicate confidently, focusing on the necessity and benefits of the investment. Ensure stakeholders see the direct correlation between budget allocation and enhanced system performance.

In a Systems Engineering project, usually the performance requirements are documented against the functional requirements during the Requirement Gathering phase. In case this has not happened due to some reason, then it is a major concern. Nevertheless, such critical performance issues should be flagged asap and a solution for them must be implemented at the earliest as there is no compromise on performance. Compromising on performance leads to lack of Reliability, safety , availability and maintainability. The client should be made aware of all these and negotiations can be made with these supporting clauses.