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Fitting Spiral Development to more effective OT&E - PowerPoint PPT Presentation
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Fitting Spiral Development to more effective OT&E. Ray Smith SYZYGY Technologies, Inc. San Diego, CA. Introduction. The Concept The Challenge Types of Development Spiral Development Characteristics OT&E Objectives A Fitting Navy Readiness Example Summary. The Concept.
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Fitting Spiral Development to more effective OT&E
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Presentation Transcript
Introduction
- The Concept
- The Challenge
- Types of Development
- Spiral Development Characteristics
- OT&E Objectives
- A Fitting
- Navy Readiness Example
- Summary
The Concept
- Evolutionary Acquisition(EA) “strategies” rely on a Spiral Development (SD) “process” for an earlier delivery to the warfighter
- A Trade-off….
- May be less than full capability (…and less than fully tested), but…
- Affordable, risk-reduced, agile, and earlier delivery of a product
- Best Means of getting advanced technologies to the user
The Challenge
- Fitting Spiral Development into More Effective OT&E
- DOD programs are increasingly going to spiral development to:
- Get early buy-in from users on enhanced capabilities.
- Spiral development presents a different challenge to:
- Software Quality Assurance (SQA)
- Operational Testing and Evaluation.
Development Processes
- Traditional - One extended process
- Full system capability, but after a long time
- Evolutionary - Multiple sequential extended processes
- Full system capability per evolution – new technology as it comes
- Incremental - Multiple sequential processes
- Full system capability achieved by increments
- Spiral - Multiple maturing cycles
- Gradually maturing capability – early use of new technology
Spiral Development (SD)
- Characteristics
- Risk-managed process
- Stakeholder Involvement
- Cyclic Approach
- Incrementally grow definition & Implementation
- Milestone Anchored
Operational Test & Evaluation
- Objectives - Characteristics
- Operational Effectiveness
- Operational Suitability
- Reliability
- Mean Time Between Operational Mission Failures (MTBOMF)
- Maintainability
- Mean Corrective Maintenance Time for Operational Mission Failures (MCMTOMF)
- Availability
- Operational Availability (Ao) = UPTIME / UPTIME+DOWNTIME
- Survivability
Spiral Development - OT&E Fit
- Conceptualize / Feedback Phases
- Planning is critical – Feedback is vital
- Define /Refine Phases
- Requirements traceability – Risk Management
- Design Phases
- Development Phases
- Test (Development Test / Operational Test - DT/OT)
- Simulation is one solution
3
2
JCS
TRMS
JCS
Units
TRMS
Units
GCCS-M
GCCS-M
SPIRAL
SPIRAL
SPIRAL
Navy Readiness ExampleBEFORE Spiral Development
Reporting Units TYCOMS CNO &FLTCOMS JCS
AFTER Spiral Development
Reporting Units TYCOMS CNO &FLTCOMS JCS
Summary
- Plan, Plan, Plan
- Requirements traceability
- Risk Management
- Simulation
