A requirement connects to a control and then to a meaningful check.
Find the Requirement That Changes the Design
The work may involve intermittent connectivity, limited attention or equipment that must move between locations. Before selecting a tool, establish where and how it will be used, what information it needs and which dependencies could interrupt the work.
The assessment establishes what must be protected, who needs to do what, and which failures would interrupt the work. Those findings become requirements that can be checked.
Build, Integrate or Configure
The response may combine configured services, purpose-built software, selected devices and the procedures that connect them. Custom development earns its place when a consequential requirement cannot be met adequately through a simpler arrangement.
Outputs can include a system design, device and interface requirements, access rules, an implementation plan and a recovery procedure. Development, integration and support during implementation are agreed case by case, with the client's operating capacity in view.
Check the Consequential Scenarios
Acceptance should cover ordinary use and the exceptions that matter: lost connectivity, a revoked permission, an unavailable device or recovery from a known backup. The checks apply to the configuration that was delivered and to the conditions it was meant for.
The notes include a worked example of when new software is actually required.
Leave a Maintainable Result
Agree who operates the system, applies updates and authorizes changes before handover. Documentation should explain the important choices and how to restore operation. Ongoing maintenance is a defined scope, with responsibilities and availability agreed explicitly.
If the requirements change, assess the effect on cost, dependencies and verification before extending the build. Begin with a high-level description of the workflow and the condition it currently cannot satisfy.