As the current trend of available technologies continues to expand at an accelerating rate, enterprises need to evaluate their technology integration strategies.
Optimally managed technologies substitute each other over time and ultimately eliminate legacy technologies. In the sample, the transition is from Mainframe COBOL+DB2 to JavaEE+Postgresql.
For example, an ideal organization actively manages new technologies by substituting legacy technologies as new technologies are integrated into their solutions. Ideally the overall technology utilization remains constant over time as the substitution happens.
One question: What happens if the substitution gets interrupted and is not completed?
At first the substitution happens as planned, but then stopped due to reprioritization of budgets etc. But as time progresses, the demand to keep enhancing the legacy systems adds cost and time and increases the overall technology utilization.
As the number of systems increases in an organization, the number of interfaces between the systems grows rapidly and the cost of maintaining just the interfaces takes away budget for new development. Keep in mind 10 fully interconnected systems have 45 connections, 50 systems have 1225 connections, and 100 systems have a staggering 4950 connections. Granted not all systems have to be fully interconnected, but there is still a significant amount of effort going into maintaining the connections.
Addition of new technologies needs to be carefully governed and supported by a strategy that actively seeks to completely substitute technologies. This requires a long-term vision and thinking by decision makers.
If enterprises formulate a technology strategy and execute the strategy with enough funding, then modernization projects can become cost neutral.
NTT DATA has experiences with both creating a strategy and executing modernization projects.
Post Date: 10/28/2014