Easy Functional Sizing

The new method for fast and objective scope assessment

Transcript

1. The new method for fast and objective scope assessment
2. Topics for today The method The book The standards
3. The method
4. Why did we develop EFS • Widespread use of High Level Function Point Analysis • The FPA method according to Nesma 2.3 is perceived as complex • Better alignment with modern development approaches • Less debate about the differences between EO/EQ and ILF/ELF
5. EFS in brief • Only 4 pages with definitions and rules • 3 Base Functional Components: • And 3 pages with guidelines • Available from nesma.org/efs for € 19,95 in English or Dutch
6. The book
7. Why this book • In an agile environment where teams work iteratively and stakeholders expect continuous value delivery, it is crucial to have objective grip on the scope that is being developed. • EFS offers one foundation for • Realistic planning • Clear communication • Managing expectations • Fair and transparent contracts • To use EFS as a bridge between agile software development and business control
8. What will you learn from this book With this book you can make EFS work for your organization. It consists of four parts: 1. Why functional size is crucial for predictability and value from the viewpoint of different roles in an organisation 2. The rules and guidelines for EFS 3. How to apply EFS in practice in your organisation 4. Practice examples
9. What’s in it for me, when I am … Product owner • Realistic prioritisation based on value and effort • Flexible changes in scope • Convince stakeholders based on facts Manager SD • Insight in productivity per team • Fact-based planning • Monitor quality and progress C-level manager • Base strategic choices on quantitative data • Objective portfolio prioritisation • Benchmark teams with external data Portfolio manager • Compare projects or teams quantitatively • Recalibrate portfolio on value for money • Signal risks early Contract manager • Output-based contracting • Straightforward process for scope changes • Objective vendor assessment Buyer • Compare offerings objectively • Realistic rate negotiation • Prevent discussions on additional work packages DevOps engineer • Analyzing workload • Quantify technical debt • Prioritise improvement initiatives Business owner • Better alignment of expectations • Substantiating the businesscase • Transparent cooperation with IT
10. How can I get a copy Available from 118 pages – paperback € 29,95 – hard cover € 39,95 Currently only available in Dutch English version expected in November
11. The standards
12. NPR 5333 Figure taken from the NPR 5333 where the blue parts can be expressed in EFS The new Dutch practice guideline for output-based measurement, performance management and contracting for agile software development and maintenance refers to the use of EFS. Official release is October 29. Reserve your spot at npr5333.nen-evenementen.nl
13. DIS 25986 The EFS-method is currently in the process to become an international standard for functional size measurement Ballot results are expected in November
14. The standard and the book have been written by • Vincent Barth Belastingdienst • Jolijn Onvlee Onvlee Opleiding & Advies • Richard Sweer Finidy • Alexander Vermeulen Garansys • Wim Visser Metrica-Storia Advies • Frank Vogelezang Adviescollege ICT-toetsing