Keeping the Beat: Rhythm and Trust in Architecture David Kane - - PowerPoint PPT Presentation

Keeping the Beat: Rhythm and Trust in Architecture

David Kane – david.kane@santeon.com SATURN 2015 April 29th, 2015

Definition

Rhythm is the recurring, predictable exchange

• f work products within an architecture group

and across their customers and suppliers.

Tempo Content Quality

Software Architecture: Organizational Principles and Patterns – Dikel, Kane and Wilson

More than one beat

Content Time Major Release Rhythm Milestone Rhythm Weekly Rhythm

Software Architecture: Organizational Principles and Patterns – Dikel, Kane and Wilson

Can Fail with Too Little or Inconsistent Tempo, Content or Quality

Content Time Content Time Content Time Abbreviated Processes

Software Architecture: Organizational Principles and Patterns – Dikel, Kane and Wilson

Rhythm and Architecture is Not New

Why is Rhythm Valuable?

Aids transition management

Why is Rhythm Valuable?

Drives closure

Why is Rhythm Valuable?

Every commitment met builds trust

Avoid Commitments Based on Means

21 Points 19 Points

The Power of Commitments (AgileDC 2014) – Nielsen

If you have to miss on something, miss on content

Why is Rhythm Valuable?

Drives small batch size

Variations

Rhythm Without Timeboxes

Resource Optimized

Flow Optimized

Balance Flow and Resource Optimization

Resource Efficiency Flow Efficiency

Impossible Balance resource and flow efficiency This is Lean: Resolving the Efficiency Paradox Paperback – Modig and Ahlstrom

Predictability Without Timeboxes

Count Cycle Time Mean Median 90%

Break Time