By Scott Ambler
The 1st e-book to hide Agile Modeling, a brand new modeling approach created particularly for XP initiatives severe Programming (XP) has created a buzz within the software program improvement community-much like layout styles did numerous years in the past. even if XP provides a strategy for speedier software program improvement, many builders locate that XP doesn't let for modeling time, that is severe to make sure that a venture meets its proposed standards. they've got additionally came upon that normal modeling options that use the Unified Modeling Language (UML) frequently don't paintings with this technique. during this leading edge booklet, software program improvement columnist Scott Ambler provides Agile Modeling (AM)-a approach that he created for modeling XP tasks utilizing items of the UML and Rational's Unified strategy (RUP). Ambler essentially explains AM, and exhibits readers easy methods to include AM, UML, and RUP into their improvement initiatives with the aid of quite a few case experiences built-in during the book.AM was once created by way of the writer for modeling XP projects-an aspect missing within the unique XP designThe XP group and its writer have embraced AM, which may still provide this ebook robust marketplace acceptanceCompanion website at www.agilemodeling.com positive aspects updates, hyperlinks to XP and AM assets, and ongoing case stories approximately agile modeling.
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Additional info for Agile Modeling: Effective Practices for eXtreme Programming and the Unified Process
To understand AM you need to understand the difference between a model and an agile model. A model is an abstraction that describes one or more aspects of a problem or a potential solution addressing a problem. Traditionally, models are thought of as zero or more diagrams plus any corresponding documentation. However, non-visual artifacts such as collections of CRC cards, a textual description of one or more business rules, or the structured English description of a business process are also considered models.
Embrace Change Accept the fact that change happens. Revel in it. Change is one of the things that make software development exciting. Requirements evolve over time. Your project stakeholders’ understanding of their requirements changes over time. Project stakeholders can change as your project moves forward, new people are added, and existing ones leave. Project stakeholders can change their viewpoints as well, potentially changing the goals and success criteria for your effort. Furthermore, your business and technological environments change as your project evolves; things occur that are often beyond the scope of your control.
An architecture model helps to solidify the vision to which your 72244_CH01I 2/27/02 11:06 AM Page 15 Introduction project team is working, which clearly has value. But, if the costs of that model outweigh the benefits, then it no longer provides positive value. Perhaps it was unwise to invest $100,000 developing a detailed and heavily documented architecture model when a $5,000 investment resulting in whiteboard diagrams that you took digital snapshots of would have done the job. Agile models are as simple as possible.