Guide to Modernizing Business-Critical Applications

This guide outlines the process of modernizing business-critical applications using HCL Informix. It discusses the risks associated with using unsupported databases, including security vulnerabilities and compliance issues. The document presents a five-step application modernization plan, which includes defining strategic goals, auditing existing applications, determining their strategic importance, establishing a data landscape, and preparing for a cultural shift within the organization. Additionally, it details the four main approaches to application migration: retiring, rehosting, replatforming, and refactoring, each with its pros and cons. The guide emphasizes the importance of careful planning and execution to ensure a successful transition to modernized applications. It also highlights the benefits of using HCL Informix for migration, including support for various deployment environments and the ability to leverage cloud-native features. The document serves as a comprehensive resource for organizations looking to upgrade their legacy systems and improve operational efficiency.