If you have complex IT solutions everywhere, you’ll never be able to add robustness to your performance. This is why your business services need to sort things out.
As a matter of fact, complex networks exist everywhere, such as the airline network, the power grid network, the interaction network for the road network. All of these networks are robust yet fragile. It means that the networks are robust against some of the random field years but frigid under the malicious attacks. The system by disasters, cascading failures, and intentional attacks on this network deserves an in-depth study.