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OneSAF: A Case Study in Agile Methods and Extreme Programming Mr. Doug Parsons LTC John R. “Buck” Surdu Mr. Derrick Fran PowerPoint Presentation
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OneSAF: A Case Study in Agile Methods and Extreme Programming Mr. Doug Parsons LTC John R. “Buck” Surdu Mr. Derrick Fran

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OneSAF: A Case Study in Agile Methods and Extreme Programming Mr. Doug Parsons LTC John R. “Buck” Surdu Mr. Derrick Fran

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  1. OneSAF:A Case Study in Agile Methods and Extreme ProgrammingMr. Doug ParsonsLTC John R. “Buck” SurduMr. Derrick Franceschini

  2. Introduction • “Traditionalists” view agile methods as excuses to hack undocumented, poorly designed code. • “Agilists” consider plan-driven responsible for saddling developers with low-value processes. • OOS development uses a mix of both techniques. Agile methods are designed for small teams. The OOS development team is divided into several smaller teams.

  3. OneSAF Program Background • A composable, next generation CGF • Represent a full range of operations, systems, and control processes (TTP) • Entity up to brigade level • Variable level of fidelity • Supports multiple Army M&S domain (ACR, RDA, TEMO) applications. Software only Automated Composable Extensible Interoperable Platform Independent • Field to: • RDECs and Battle Labs • National Guard armories • Reserve training centers • All active-duty brigades • and battalions • All FCS platforms Capable of replacing legacy entity-based simulations: BBS, OTB/ModSAF, CCTT/AVCATT SAF, Janus, JCATS MOUT

  4. OneSAF Program Background (continued) • Cross Domain Requirements: analysis and training • Streamlined Acquisition Strategy • Government PM is the “prime” • Integrated Development Environment (IDE)

  5. Communication and Collocation • “Business people and developers must work together daily throughout the project.” • “Most effective communications is face-to-face” • Morning, standing meeting • OOS practices these notions: • Collocation • Associate Contractor Agreements • Real teaming • Sub-elements have team meetings to discuss the day’s activities

  6. Spiral Development(XP and Agile Methods) • Satisfy customer through early and continuous delivery of working software • Make frequent, small releases of software • Welcome changing requirements • Iteration planning starts each iteration • Code must be written to agreed-upon standards • Leave optimization until last

  7. Fielding FOC You are here. Increasing functionality P3I Block A Block B Block C Block D Spiral Development(OOS Implementation)

  8. Customer Involvement • Dedicated, collocated customer representatives • Beta sites • User assessment baselines (UABs)

  9. Paired Programming • Two programmers on a single workstation • Provides immediate code audits • Counter-intuitive, but it has been shown to be productive • Not implemented as a rule in OneSAF, but often short-duration tiger teams employ this technique

  10. Documentation vs. Working Code • “Decide where to place the balance between documentation and working software.” • OOS has had working code since Build 4 • OneSAF.net repository • Architecture and Integration contractor externally certified at CMMI 5 • Electronic Process Guide • Product Line Architecture Specification

  11. Extreme Testing(XP and Agile Methods) • Code the unit test first • All code must have unit tests that must pass before it comes into the baseline • When a bug is found, tests are created • Acceptance tests are run often and the score is published

  12. Extreme Testing(OOS Implementation) • Automated Tests • Build Boy • Tests for classes of errors

  13. Agile Tools • Electronic Process Guide • Build Boy • OneSAF.net • compDocs • Electronic Product Line Architecture Framework • WebRT • Doors • Open Source tools and products

  14. Summary • Development of OOS uses most of the tenets of Extreme Programming and Agile Methods • Many practices were modified slightly to fit “programming in the large” • Blended XP and Agile techniques with traditional techniques • These methods work! • Team OneSAF has won many industry and DoD awards