spl engineering

8/10/2019 SPL Engineering

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Systems and Software

Product Line Engineering

Charles W. Krueger, PhD

CEO, BigLever Software

www.biglever.com

[email protected]

INCOSE Chicagoland Chapter

Oct 21, 2010
mailto:[email protected]:[email protected]


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Copyright 2010 BigLever Software, Inc. 2

Agenda

Systems and Software Product Lines (SPL)

BigLever Software Gears SPL Framework and Methodology Gears Demo


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BigLever at a Glance

Industry leader in Systems and Software Product Lineengineering tools and services

- 9 years of commercial practice with GearsTMtechnology and methods

- Strategic partner of IBM Rational

Proven success- BigLever customer case studies illustrate successful transitions

SPL Hall of Fame: Salion (2004), LSI Logic (2006), HomeAway (2009) Large-scale deployments: Lockheed Martin, General Dynamics, GM, ...

- Best ROI metrics in the industry


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Systems and Software Product Lines

The key to businesssuccess depends on the infusion ofnew ideas about how products and systems are brought to

market To achieve this goal, today's product development

organizations must deliver a product line- A portfolio of similar products or systems with variations in features

and functions

- Not just an individual product or system


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Product Lines and Profitability

Companies need economy of scalein their product lines

In manufacturing, greater profitabilityis achieved by

investing in an efficient means of productionmanufacturing infrastructure and shared product assetsthat can be used to deploy different flavors of a product

As product differentiation and innovation move from the

physical attributes to software-based features, the need foran efficient means of production for systems and softwareproduct lineshas become universal


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An Efficient Means of Production for

Systems and Software Product Lines


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Overview ofSystems and Software Product Line

Engineering and Delivery



Systems and Software

Product Line Engineering and Delivery

Systems and software product line (SPL) engineering anddelivery has emerged as a new approach that- provides an efficient means of productionfor systems and software

product lines

- supports the fullproduct line development and delivery lifecycle



Complexity of Product-centric Thinking

Impedes Portfolio Production

VerticalProduct

Perspective

Order N2Complexity



The Challenge of Product Line Engineering:

Harnessing Complexity

Processes, tools and techniquescannot overcome theexponential complexity

A new approach is required...

Time

EngineeringComplexity



Shift in Perspective: Efficient Means of Production



Benefits of a Software Production Line

Economy of Scale from Automated Production

- Increase in the scope of product diversity

- Increase in the scale of different products effectively delivered and maintained

Cost Savings from Efficiency and Productivity

- Increase in productivity and efficiency

- Reduction in per-product development cost and overhead

- Higher profit margins

Faster Profits from Faster Time to Market

- Reduction in time-to-market for new and updated products

- Increased agility to react to new opportunities and changing market conditions

Better Products from Better Quality

- Increase in customer-perceived product quality

- Reduction in defect density

- Improved risk management



2nd Generation SPL Approach



Multiple Dimensions in a 2G SPL Solution

Synchronous concerns: multi-product, multi-phase, multi-baseline- Multi-product. Feature-based variation management and automated production line

- Multi-phase. Product line lifecycle assets, architecture and traceability

- Multi-baseline. Product line change management and baseline management



The BigLever 3-Tiered SPL Methodology

Leverage. Feature Based SPL Management

Business-wide management of portfolio by featuresrather than by products leads to optimized:

ScalabilityTime-to-Market

Simpl i fy . SPL Asset Focused Development

High levels of reuse, deep asset expertise, stableorganization structure leads to optimized:

Quality

Consol idate. Variation Management & Automated Production

Eliminating duplication, divergence, merging, manual variationtechniques, lifecycle silos, and manual production leads tooptimized:

Productivity and Cost

Leveragingindustry bestpractices fromSPL successes



Minimally Invasive Transitions to SPL Practice

Start with what youve got Use an incremental transitionstrategy

Create a pilot as the catalystfor change

Stage transition to be non-disruptiveto productionschedules


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What We Offer

Gears- Software product line engineering tool & framework

- Powerful patented technology

- Industry leading

- Award winning

Bridge integrations- Rhapsody/Gears Bridge

- DOORS/Gears Bridge

- Eclipse Plugin- Universal Configuration Management Bridge

- Rational Quality Manager/Gears Bridge

- Methodology integrations:Focal Point, Publishing Engine, Team Concert, ...

The industrys most innovative software product line services



Software Product Line Lifecycle Framework

Gears SPL Framework

Product

Configurator

Feature

Profiles

ProfileA

Production LineDevelopmentEnvironment

Example Assets

Require-ments

Design

Models

SourceCode

UserDocs

TestCases

SourceCode

Product A

...

Require-ments

Design

Models

SourceCode

SourceCode

UserDocs

TestCases

Product N

Require-ments

Design

Models

SourceCode

SourceCode

UserDocs

TestCases

Example Tools

DOORS/GearsBridge

Rhapsody/GearsBridge

Synergy Universal

CMBridge

EclipseEclipsePlugin

OSFile

System

RQM/GearsBridge

FocalPoint

QualityManager

Rhapsody

DOORS


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Services for Success

Industry Leading xperience and xpertise

Getting StartedPackage (recommended first step)- Intense, accelerated, hands-on pilot project

- 3-days onsite, half-day prep, half-day post- $5,000 (a $10,000 value). Refundable if not 100% satisfied.

la carte- Pilots

- Assessments- Transitions

- Training


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SPL Source Code & File-based Asset Engineeringwith the Universal Configuration Management Bridge


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Early Generation SPL

Source Code & File-based Asset Engineering

Early generation product-centric approaches lead toexponential complexity- Clone-and-own and branching

For each new product, make a copy or branch, then modify

Leads to expensive duplication, divergence and merging

- Compiler preprocessor directives

Tag source code blocks with #ifdef directives

Leads to complex and convoluted source code and build system

- One-size-fits-all with runtime conditionals and startup configuration files

Write the portfolio variations and diversity directly into the source code text

Leads to ever-growing, increasingly complex and convoluted source code


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Source Code as Gears SPL AssetsFeature-based Software Development


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Source file Variation Point with Variants,

Logic and Projection


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Multi-baseline Management for SPL

Key:

Alpha release

Beta release

Public release

Asset L

Asset 2

Asset 1

Asset 3

...

...

Product A

Product B

Product N

Baseline M...Baseline 4Baseline 3Baseline 2Baseline 1

SPL AssetManagers

Release

Manager


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Gears File-based Variation Points

File system extended with Feature-based SPL variationpoints- Optional files

- Variant files

- Optional directories

- Variant directories

- Variant text transformations

- Optional text blocks


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SPL Requirements Engineeringwith the DOORS/Gears Bridge


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Requirements Engineering for Product Lines Early generation product-centric approaches lead to exponential

complexity- Clone-and-own (and requirements branching)

For each new product, make a copy of requirements and modify

Optionally add links to track commonality and variations


- Attributes, links, scripting

Tag each requirement with one or more attributes about product diversity

Leads to high overhead

- Major effort to define and implement attributes, dictionaries, semantics, schemas, scripts and filters

- Labor intensive to revisit all requirements and attributes during maintenance and portfolio extension

- One-size-fits-all

Write the portfolio variations and diversity directly into the requirements text

Leads to complexity and errors interpreting requirements for any particular product


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DOORS Requirements as Gears SPL AssetsFeature-based Requirements Engineering


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DOORS/Gears Bridge

Dual Plugin Bridge between DOORS and Gears SPL Framework- Gears plugin extensions

Automated configuration of DOORS requirements, based on Gears feature profiles

- DOORS plugin extensions

Any requirement can be converted into a first-class Gears variation point

BigLever Software

Gears

DOORS/Gears

Bridge

Rational

DOORS


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DOORS/Gears Variation Points

DOORS extended with Feature-based SPL variation points- Optional requirements

- Requirements with variants

- Requirements with text transformations


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SPL Model-driven Developmentwith the Rhapsody/Gears Bridge


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Model-driven Development for Product Lines

Early generation product-centric approaches lead toexponential complexity- Clone-and-own

For each new product, make a copy of a similar model and modify


- One-size-fits-all

For each new product, add product diversity meta-logic in one model

Leads to large and complex models with product diversity logic intermingledwith application logic


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Rhapsody Models as Gears SPL AssetsFeature-based MDD for SysML and UML


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Rhapsody/Gears Bridge

Dual Plugin Bridge between Rhapsody and Gears SPL

Framework- Gears plugin extensions

Automated configuration of Rhapsody model elements, based on Gearsfeature profiles

- Rhapsody plugin extensions

SysML and UML model elements can be converted into first-class Gearsvariation points

BigLever Software

Gears

Rational

Rhapsody

Rhapsody/Gears

Bridge


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Rhapsody/Gears Variation Points

Rhapsody extended with Feature-based SPL variation points- Optional model elements (SysML, UML)

- Optional code generation (UML)

- Code generation variants (UML)


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SPL Test Engineeringwith the RQM/Gears Bridge


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Test Engineering for Product Lines

Early generation product-centric approaches lead to exponentialcomplexity

- Clone-and-own (and test case branching) For each new product, make a copy of test cases and modify


- One-size-fits-all

Write the portfolio variations and diversity directly into the test case text

Leads to complexity and errors interpreting test procedure for any particular product


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RQM Test Cases as Gears SPL AssetsFeature-based Test Engineering


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SPL Symmetry in the V

Reusable SPL Assets Product A Product N

SourceCode

UnitTest

Cases

DesignModels

Sub-

systemTests

Require-ments

IntegrationTests

SourceCode

UnitTest

Cases

DesignModels

Sub-

systemTests

Require-ments

IntegrationTests

FeatureProfiles

ProfileA

GearsProduct

Configurator

SourceCode

UnitTest

Cases

DesignModels

Sub-

systemTests

Require-ments

IntegrationTests

...


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RQM/Gears Bridge

Dual Plugin Bridge between RQM and Gears SPL Framework

- Gears plugin extensions

Automated configuration of RQM test suites, based on Gears feature profiles

- RQM plugin extensions

Any test case can be converted into a first-class Gears variation point

BigLever Software

Gears

RQM/Gears

Bridge

IBM Rational

Quality Manager


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RQM/Gears Variation Points

RQM extended with Feature-based SPL variation points- Optional test cases


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The New Frontier forProduct Line Engineering and Delivery


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Industry Trend to 2G SPLa Discontinuous Jump


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Into the New SPL Frontier

Automated Production Linean Efficient Means of Production- The scale of your product lineand the scope of diversitycan be based on

business opportunitiesand profitability rather than the complexity limitations

- The BigLever SPL solution opens new frontiersin innovation, economy ofscale and profitability, impacting the fundamentalsof how you compete

HighLow

HighLow

FastSlow

HighLow

Available Benefits

Transition Time, Cost & Effort

Return-on-Investment

Cost of Doing Nothing


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- Customer-recommended favorite: Getting Started Package

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