The reliable and enduring mainframe, once a symbol of an earlier era of computing, appeared to be left behind by the advancements in cloud computing and the integration of cutting-edge technologies such as artificial intelligence and business process as a service. It seemed as though it would eventually become obsolete and relegated to the annals of IT history.

However, a strange occurrence took place on the journey toward becoming outdated. Despite the growing appeal of cloud platforms and the necessity of modern features for successful businesses, mainframes persistently remain in use. This is due to their impressive value proposition, which is still seen as compelling by many. In fact, some applications are hosted on mainframes and cannot be transferred to the cloud due to the excessive costs and effort required to refactor them, or the potential risk of disrupting system dependencies.

The challenge lies in making the mainframe compatible with contemporary software and this is where top companies are coming up with inventive solutions. It's not a new problem for enterprises, but they are re-evaluating it as they acknowledge the expenses and potential dangers of transitioning to the cloud. Instead of replacing their outdated core systems, businesses are focusing on connecting them to new technologies through cutting-edge connectors, allowing each system to perform optimally.

To overcome this challenge, organizations are intensifying their efforts in utilizing established methods for upgrading their core systems. This involves integrating legacy applications with the latest technological tools using AI-driven middleware, advanced microservices, and upgraded user interfaces that leverage data as a driving force. The outcome is a potent combination, combining the reliability of core legacy systems with the innovative capabilities of cutting-edge technologies.