What Really Matters - Peter Stevens Blog

10-07-2014

XM Principle 10: Partner Patterns

Deliveries often rely on third party suppliers, and often they are not yet able to deliver a new product that meets our new specification within a […]
09-07-2014

XM Principle 9: Scaling Patterns

XM scales as Scrum scales, by adding teams. Coordination can occur through the Product Owners, Scrum Masters or Team Members, depending on the scope of the […]
08-07-2014

XM Principle 8: Continuously Deployed Development

Extreme Manufacturing requires going from an idea to a deliverable, working product or service in 7 days or less. How do you produce a new design […]
07-07-2014

XM Principle 7: Continuous Integration Development.

WIKISPEED has team members contributing in 20+ different countries, any time of the day, with variable availability. How does they produce a cohesive, salient product? The […]
10-06-2013

XM Principle 6: Agile Hardware Design Patterns

A pattern is an old idea. A pattern is simple way to represent implicit knowledge about well-known solutions to well-known problems. Patterns were pioneered in architecture […]
07-06-2013

XM Principle 5: Iterate the Design

One frequently asked question for hardware or embedded projects considering Scrum is, “How can we get stuff done every sprint? It takes longer to develop a […]
06-06-2013

XM Principle 4: Contract-First Design

The initial design decision of the WIKISPEED car was that it should consist of eight modules – body, chassis, motor, suspension, interior, etc. Before Team WIKISPEED […]
05-06-2013

XM Principle 3: Test-Driven Development

…also known as “red, green, refactor” Before Joe started building a car, he created a model for predicting fuel economy. He identified over 100 well known, […]
04-06-2013

XM Principle 2: Object-Oriented, Modular Architecture

In the software industry until the 1980’s, programs were developed on a procedural model. This led to extremely complex, unmaintainable solutions. A change to one part […]