Where the system is running in a live situation, but under constant review to ensure that it is still relevant and appropriate to the needs of the business situation it is designed to serve.
This technique is now thoroughly proven in thousands of business situations all over the world. After a short period of adaptation, computer and non-computer personnel become familiar with its step by step approach and its clearly defined responsibilities. Of course, all methods rely heavily on the skill, approach and attitude of those using them. Care and precision are as important as knowledge about the concept. However, the use of a structured approach coupled with great care in the investigation stages of the systems, recognition of the value of constant consultation and verification of conclusions at all stages will surely result in faster and more accurate implementation than it may be possible with conventional development procedures.
In order to make the above-mentioned methodology applicable, state of art tools are used.