Agile Manifesto’s fourth principle values the ability to respond to change over following a plan. But it doesn’t mean you can give up on any planning whatsoever and simply go with the flow. Instead, you need to ensure you have consistent requirements for your project gathered in one place, documented, structured and taken into account during the changes. In this article, we provide you with 5 reasons why proper requirements management is crucial.
Let’s say you want to build a new house for your family and hire a general contractor. You’ve been dreaming about it for years and have made a lot of notes about what you like and don’t like about houses over time. So naturally, the first meeting with the contractor will be devoted to discussing these notes, which actually are the initial requirements for your project. The contractor will go through your checklist, all the while explaining alternative options and pricing for each of them. The resulting document will specify the type of construction, the materials to be used, the number of rooms, the interior details, and other features of the house, including the end price. You don’t want to leave anything to chance when building your dream home, right? That’s why you should be as specific as you can – even before the project starts.
As the contractor prepares a 3D model and shows you how the house will look like, you get to refine your requirements and have several more meetings, so you can be sure that the people you hire fully understand your needs. If you provide your team with vague requirements or none at all, you have to take the risk that they will deliver something not corresponding with your vision. Such a situation will inevitably cause delays and increased project costs, as correcting mistakes after the house is built tends to be pricey and take longer.
This can be applied to any kind of projects, including software development. The more accurately you define the requirements, the less effort of your development team will be wasted, and the higher are the chances that you’ll have the fully functional project delivered on time and with lowest cost possible.
Coming up with a comprehensive requirement list will help you kickstart the project and achieve the desired result within planned budget and timeline. Image source: Atlassian Graphic Assets
Before you start documenting and structuring your requirements, it’s good to be able to distinguish various types of those. Different requirement types show the resulting software from different points of view, so by looking through the list anyone can tell what’s important in it for both you as a project manager and all the other stakeholders. For example:
You can come across other requirement types as well, but these 4 are quite enough for a decent start, so you have your requirements written down, discussed and agreed on.
The next step in requirements engineering is to create a transparent tree-structured view out of the list you’ve prepared. As you can see from the descriptions above, requirements can have common elements and thus be linked to, or even directly implied by each other. What’s more, you need to ensure end-to-end traceability of your requirements through development tasks and test cases up to test execution to ensure they all are met during the project. That’s why the most useful visualisations of links between requirements are clearly organized folders and subfolders.
A tree structure for requirements and specified relations between them and test cases ensure they are all met during the project
Accurate definition of the specific requirements is the first step of a successful software project development process. When the stakeholders are confused about what the software should do and which problem it should solve, the chances are high that the product will fail, because after 6 months down the road no one will remember what this mess is all about. Instead, well-defined requirements directly relate to both customer and business needs, provide teams with clarity and help them stay focused on quality assurance. Requirements that are clear and measurable allow you to check whether they have been met or not at any moment, so you can implement changes before the project becomes unprofitable.
It’s common for projects to undergo sudden changes due to the rise of new technologies, design defects, test cases failures, market changes, or competitive responses. Poorly executed changes result in design conflicts, outdated documentation, and plenty of wasted time and energy. Ultimately, poor change management drives up the cost of your project and delay a final delivery. By coordinating changes with your requirements, you’ll be able to identify their impact and timely notify everyone affected.
Modern agile teams are often interdisciplinary and consist of people with different skillsets, from coding to marketing. Requirements describe all these aspects of a product so as to provide a single source of truth for everyone involved into the project and allow them to see how their work fits into the bigger picture. Thanks to that kind of project management, teams will also be able to predict the impact of every single change and easily track whole testing progress. That solution makes it most likely to prevent possible defects.
Functional requirements are crucial for companies that must comply with specific regulations or meet international standards. Smart companies that take care of requirement traceability don’t have to waste time on preparing records to prove compliance. This approach also allows to produce reports quickly and develop auditable records that support compliance due to tracing the regulatory requirements.
To sum up all the above, defining and structuring your collected requirements is a preparation stage of great importance before you start developing a product. The more you know about what you need the software to do, the faster you will get the right result.
As the experience of global Atlassian Experts like Tarun Sapra shows, requirements have to be collected in a centralized location, given structure and achieved traceability – otherwise, the project is much more likely to fail, especially if it’s largely scaled. So if your team uses Jira for project tracking, you can make the most of your instance by including system requirements specification into it and thus streamlining the development process.
Read on about managing requirements in Jira:
Dzmitry Hryb _Deviniti_Marketplace Partner
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