The US Vee-Model was first discussed at a joint conference sponsored by the National Council on Systems Engineering (NCOSE) and American Society for Engineering Management (ASEM) in Chattanooga, TN on October 21–23, 1991. A paper named “The Relationship of System Engineering to the Project Cycle” written by Dr. Kevin Forsberg and Harold Mooz, Co-Principals for […]
A Funny Thing Happened on the Way to the V-Model
In the late 1980s two countries, Germany and the United States, simultaneously but independently developed a V-Model. While the two models are similar in concept, they differ enough to be considered alternative approaches. The German V-Modell was developed in part by IABG in Ottobrunn, near Munich in cooperation with the Federal Office for Defence Technology […]
The Spiral Model
Barry W. Boehm is a mathematician and TRW Professor of Software Engineering, Computer Science Department Director, USC Center for Software Engineering. He started working as a Programmer-Analyst at General Dynamics in 1955 and switched to the Rand Corporation four years later where he was Head of the Information Sciences Department until 1973. From 1973 to […]
A Good SDLC = Team Empowerment
A good SDLC does not force developers to use any specific methodology such as Waterfall or Agile. Instead, it empowers project teams to decide which practices to use, within guidelines, for each project. Once the choice is made the teams remain on that pathway until production deployment. Team empowerment is a greatly misunderstood concept. Empowerment […]
Are Your Requirements Good or Just Good Enough?
As an operational definition, good requirements are cohesive, complete, consistent, correct, feasible, modifiable, necessary, prioritized, reusable, testable, traceable, verifiable and unambiguous. If requirements aren’t captured to this high standard, rework or project failure is the natural consequence. No one will ever get good requirements that meet this standard by walking into a room and asking […]
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