Chapter 13: Managing Changes to the Software Project (Crystaltech web hosting)
Chapter 13: Managing Changes to the Software Project 271 Be sure to define what constitutes an emergency change: If you re creating software in the healthcare industry, an emergency change may be anything that, if left alone, could affect patient care or patient safety. In some firms, an emergency change is anything that, left alone, may cause the organization to lose money. The project team members need to understand the attributes that cause a change to be considered an emergency. Documentation is crucial in the event of a system problem. You can quickly view the documentation for all changes that were done just prior to the problem and use the information to perform a root cause analysis. Determining the value of the proposed change When project changes are proposed, you need to determine the cost of implementing the change, as well as the value that the proposed change will add to the project. For example, if it will cost $500 to implement a change but that change will add a value of $10,000 to the overall project, you may have a better chance of getting that change approved than if the cost of your change is $10,000 and only brings $500 in added value. Of course, you re not guaranteed that a change will get approved just because it adds more value to your project than it costs. You still have to consider the other parts of your Iron Triangle time and scope. Maybe your proposed change will add $10,000 in value to your project, but if it completely changes the scope or adds six months to an already tight timeline, then those areas will also need to be taken into consideration when determining whether or not to implement a change. Correcting mistakes At times, you ll be required to make project changes in order to correct mistakes either in coding or software testing or because of misunderstandings, miscommunications, or any number of other reasons. If you have the appropriate change control system in place and you complete the appropriate project planning processes, making corrections is a more manageable experience.
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