Automated eFPA Provides Fast and Standardized Function Point Estimates for SAP Projects
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This document discusses automated function point analysis (eFPA) in SAP environments. It notes that eFPA provides faster, more transparent estimates than traditional FPA methods by counting software objects like transactions and data elements. eFPA maps these objects in SAP libraries and components to generate estimates. The document concludes that eFPA meets demands for standardized metrics that remain consistent over time and enables early project estimates.
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Automated eFPA Provides Fast and Standardized Function Point Estimates for SAP Projects
- 1. Automated FPA (eFPA) in SAP Environments IWSM Mensura 2014 Cees Kuijpers DutchSoft Technology The Netherlands | Automated FPA (eFPA) in SAP Environments 1
- 2. Content 1 Urgency of Effective Metrics 2 Characteristics of SAP projects 3 eFPA for SAP 4 Application eFPA in other Environments 5 eFPA Findings 6 Conclusions | Automated FPA (eFPA) in SAP Environments 2
- 3. 1 Urgency of Effective Metrics (Gartner) Through 2015, >70% expect to reduce their I&O costs by 25% Managers require a clear understanding of the costs and require means to control them It is to be expected that software metrics will be applied more and more Metrics should be based on components that throughout the project are identified and keep their same meaning and value (standard) | Automated FPA (eFPA) in SAP Environments 3
- 4. 2 Characteristics of SAP projects FPA rarely applied Project Size based on Expert Estimate Expertise is not validated or reusable Most projects have large overdues Size grows extremely during the project | Automated FPA (eFPA) in SAP Environments 4
- 5. 2 Characteristics of SAP projects Function Points Delivered at Project End FPTs assumed at project start | Automated FPA (eFPA) in SAP Environments 5 9,000.00 8,000.00 7,000.00 6,000.00 5,000.00 4,000.00 3,000.00 2,000.00 1,000.00 - 250 500 750 1000 2000 3000 Project Result Delivered FPTs non SAP Project Result Delivered FPTs SAP
- 6. 3 eFPA for SAP Similar to “E&Q FPA” (Early and Quick Estimate method of Gartner) E&Q Fundamental Priciples Principle Explanation Classification by analogy Similarity by size and/or overall functionality between new and known software objects Structured Aggregation Grouping of a certain quantity of lower level software objects in one higher level software object No given function/data correlation Data and transactional components assessed autonomously Multilevel Approach No discard of details, if available No need of details, if unavailable Use of a derivation table Each software object at each level is assigned a size value, based on an analytically/statistically derived table | Automated FPA (eFPA) in SAP Environments 6
- 7. 3 eFPA for SAP SAP software components Libraries with node structure Distinction of business processes and transactions Classification possible Aggregation possible Masterdata seperately described | Automated FPA (eFPA) in SAP Environments 7
- 8. 3 eFPA for SAP Example of SAP objects information | Automated FPA (eFPA) in SAP Environments 8
- 9. 3 eFPA for SAP Comparison eFPA and IFPUG eFPA counts data and transactional components autonomously IFPUG counts data within transactional component to determine the weight factor IFPUG FPA Weight Factor determined by User Functions User Transactions RET, DET User Function TOTAL # FPA IFPUG eFPA No weight factor User Function User Transactions Transactions Sub Count Record Element Types (RET) Record Element Types Sub Count Data Element Types (DET) Data Element Types Sub Count User Function TOTAL # eFPA | Automated FPA (eFPA) in SAP Environments 9
- 10. 3 eFPA for SAP Estimation As a Service with automated tools Automatic Recognition Knowledge Base Applications Components Business Processes Business Transactions Transactions Details System Objects Standards (IFPUG +) | Automated FPA (eFPA) in SAP Environments 10 Categorisation System Objects in SAP library eFPA Counting Objects within Selected Processes Calculating Funtion Points
- 11. 4 Application eFPA in other Environments Depends on input Quality Requirement documents varies In practice extra work has to be done Completion Business Requirements Professionalize Project Start Architecture Till now we delivered eFPA estimates: +/- 40 SAP estimates +/- 30 Non SAP estimates | Automated FPA (eFPA) in SAP Environments 11
- 12. 4 Application eFPA in other Environments Estimation As a Service with automated tools Automatic Recognition Knowledge Base Applications Components Business Processes Business Transactions Transactions Details System Objects Standards (IFPUG +) | Automated FPA (eFPA) in SAP Environments 12 Categorisation System Objects in Client Specifications Enhancing by hand * *) Data Analysis Function Analysis eFPA Counting Objects within Selected Processes Calculating Funtion Points
- 13. 5 eFPA Findings Variance IFPUG – eFPA between 5%-10% eFPA can be better supported with automated tools (from excel to BPM Tools) eFPA faster (25%-75% less time spent Estimate can be obtained from 15% to 40% of project work (or less) eFPA count is based on exact data (software objects) Human factor plays no role anymore | Automated FPA (eFPA) in SAP Environments 13
- 14. 5 eFPA Findings | Automated FPA (eFPA) in SAP Environments 14 90 80 70 60 50 40 30 20 10 0 Reliability Costs Response time Transparency Usability by incomplete input Reusability of results Adjustability to circumstances Customer Perception of eFPA
- 15. 6 Conclusions eFPA works faster eFPA is transparent No FPA certification needed In depth design experience necessary eFPA complies to the demand: “components that throughout the project are identified and keep their same meaning and value (standard) eFPA enables Early Estimate “Time to Invest” | Automated FPA (eFPA) in SAP Environments 15