There are a number of crucial elements to take into account while thinking about mainframe modernisation.The following are some crucial factors that will enable mainframe to advance and modernise:

Evaluation of an application portfolio:
Determine which mainframe programmes already in use are essential, best suited for the company, and in need of modernisation. Analyse their level of complexity, interdependencies, and tech compatibility.

Technical Debt Analysis:
Determine the amount of technical debt that has accumulated in the mainframe environment. Identify old programming languages, historical interfaces, and technologies that may be impeding modernisation efforts.

Modernisation Strategy:
Establish a clear modernisation strategy that is in line with the company objectives. Determine the best course of action, which may include re hosting, re platforming, refactoring, or replacing mainframe applications. Think about cloud migration alternatives as well.

Cost-Benefit Analysis:
To understand the financial implications of modernisation, do a thorough cost-benefit analysis. Consider the initial investment, ongoing operational costs, possible savings, and estimated return on investment.

Risk Evaluation and Mitigation:
Identify and assess the hazards of the modernisation process. Take into account the implications for business continuity, data integrity, security, and regulatory compliance. That is, create a solid risk mitigation plan.

Legacy Data Management:
Examine how legacy data is handled during modernisation. Determine the need for data migration, archival, or integration with new systems. Ensure data integrity and data platform compatibility.

Skills and Resources:
Assess the availability of trained individuals and external expertise needed for successful modernisation. Determine whether further training or hiring is required but ultimately helpful. If necessary, work with vendors, consultants, or system integrators.

Interoperability & Integration:
Consider how the modernised mainframe applications will connect with other systems, both internal and external to the organisation.Ensure data compatibility and smooth data flow.