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Thursday, June 11, 2015 - 11:30am - 12:30pm
Design & Code
BT6

Avoid Over Design and Under Design Prior Year Content

The question of how much design to do up-front on a project is an engaging conundrum. Too much design often results in excess complexity and wasted effort. Too little design results in a poor architecture or insufficient system structures which require expensive rework and hurt more in the long run. How can we know the right balance of upfront design work and emerging design approaches? Al Shalloway shows how to use design patterns—coupled with agile’s attitude of don’t build what you don’t need—to guide your design efforts. The trick is to identify potential design alternatives, analyze how each may affect the system in the future, and then find the simplest approach for isolating those potential effects. Al describes the essence of emergent design—start with a simple design and let it evolve as the requirements evolve—and demonstrates how to refactor to achieve better designs, which really is quite different from refactoring bad code.

1.00 PMI® PDU
Al Shalloway
Al Shalloway, Net Objectives

With more than forty years of experience, the founder and CEO of Net Objectives Al Shalloway is an industry thought leader in lean, SAFe, kanban, product portfolio management, Scrum, and agile design. Al helps companies transition enterprise-wide to lean and agile methods, and teaches courses in these areas—one of a handful of SAFe SPC trainers. He is the primary author of Lean-Agile Software Development: Achieving Enterprise Agility, Design Patterns Explained, Lean-Agile Pocket Guide for Scrum Teams, and Essential Skills for the Agile Developer. Cofounder (although no longer affiliated) with Lean Kanban University, Al is a popular speaker at prestigious conferences worldwide.

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