Dirk Riehle's Industry and Research Publications

Category: 2.2 Agile Methods

  • Agile Methods and the Magic Triangle

    Agile Methods and the Magic Triangle

    In software engineering, the magic triangle is a well-known concept to illustrate the relationship between scope, time, and cost of a software development project. Of the three (scope, time, cost), pick two, and the third will magically follow. (It is determined by the other two.) Scope means features (or delivered functionality), time means duration or…

  • Scrum’s product vision vs. project mission

    Scrum’s product vision vs. project mission

    As noted previously, Scrum uses the term product to mean artifact. This is fine, as long as the user of Scrum is a software vendor, developing a product for a market. It is confusing, however, if the user is a consulting firm, performing a custom project for a client. If you are a consulting firm,…

  • How project vs. product confuses agile methods terminology

    How project vs. product confuses agile methods terminology

    In a previous blog post I noted how the terms project and product are being confused in open source. However, it is agile methods, specifically Scrum, where it gets really bad. To recap: A project is a human undertaking to create an artifact. A project, by definition, has a start date and an end date.…