Requirements Engineering, Second Edition

Supplier organizations respond to requests from customers to build systems or components for systems. Prior to obtaining a contract to build a system, they must prepare a proposal to indicate how they intend to go about the job and containing estimates of cost and time to complete the work. Often proposals are requested from a number of supplier organizations that compete to get the business. It is therefore useful to consider supplier organizations from two points of view: bidding for work and executing a contract once the work has been won.
This section looks at the management aspects of the process to create a proposal in response to a customer's set of requirements.
Often the starting point for requirements management within a supplier organization will be the receipt of an invitation to tender (ITT), also known as a request for proposal (RFP). Such an invitation or request will contain a set of requirements that must be satisfied by the system to be delivered.
The nature of the requirements received will depend upon the organization type of the customer ( i.e. the organization that issued the invitation). If the customer is an acquisition organization it is likely that the requirements may be stakeholder requirements. Alternatively, the customer may be another supplier organization that is planning to subcontract one or more subsystems in a higher level system. In this case the requirements are likely to be system requirements with imposed design constraints. To make...