specifications - Caltech

Where Specs Come From• Scenario II: Work for Hire– Customer needs software for certain purpose.– Hires developer to create it.– Instructs developer as to what classes/methods/procedures areneeded, what they must do.– Specs are requirements: “This is what I need.”• Scenario III: In-House Teamwork– Everyone working on same project.– Lengthy design process results in plan for implementation.– Meetings, negotiations to specify modules and assignprogrammers to implement.– Each spec is requirement to someone and advertisement toothers.9