Rhapsody Software

1. ®
IBM Software Group
© 2008 IBM Corporation
Improving software development
with Telelogic Rhapsody

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Systems and software lifecycle management
Requirements
definition and
management
Analysis and
design
Quality
management
Release
management
Construction
Configuration and
change mgmt
Asset
management and
reuse
Production
Enterprise architecture/
architectural frameworks
Measurement and
reporting
Product portfolio
management
System lifecycle process management

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Combined portfolio in action
For technical systems development
Requirements
definition and
management
Analysis and
design
Quality
management
Release
management
Construction
Configuration and
change mgmt
Asset
management and
reuse
Production
Enterprise architecture/
architectural frameworks
Measurement and
reporting
Product portfolio
management
System lifecycle process management
IBM Rational
®
Build Forge
®
Telelogic DOORS®
Telelogic Focal Point™
Eclipse
Wind River Workbench, other
integrated development
environments (IDEs)
Telelogic Rhapsody®
IBM Rational Systems Developer
Telelogic Tester™
IBM Rational Test RealTime
IBM Rational PurifyPlus
™
IBM Rational ClearCase
®
IBM Rational ClearQuest
®
Telelogic Synergy™
Telelogic Change™
IBM Rational Asset Manager
IBM Rational Method Composer, Telelogic Harmony™, IBM Rational Unified Process Systems Engineering plug-in
IBM Rational
®
ProjectConsole
™
Telelogic Dashboard™
Telelogic® System Architect™

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Typical software development projects
Typical software projects consist of new code, modifications to existing
code, existing code not changing and third-party libraries
Documentation for code is often out of date, if it exists at all
Third-party librariesExisting code
New featuresModified code

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Typical software development issues
Increasing design complexity
Reusing assets for product lines
Nonmodular development of application makes makes product line reuse a
key challenge.
Constant time to market pressures
Difficult to understand designs with no documentation
Often the best or only documentation is the code alone
Developer of code is often no longer at the company
New developers are faced with a steep learning curve to understand existing
code
Reuse is difficult because of lack of understanding of existing code
Testing performed late in the development cycle, resulting in finding
defects when they are the most costly to fix
Features dropped from product
Product recalls

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Key enablers for the software developer
Dynamic
model and code
collaboration
Rhapsody
Reuse software
assets
Automated unit
and integration
testing
Open
development
environment

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Visualize existing and third-party code
Visualizing code clarifies the structure and architecture of the
application.
Streamlined reverse engineering and visualization workflow
Automatic generation of diagrams from code for documentation

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Reuse software assets
Rhapsody can incorporate external code to:
Reuse code from other projects
Integrate code developed by a third party
Import code generated from another tool
Such code can be:
 Viewed externally (code visualization)
Provides easy referencing from the model
Automatically allows graphical visualization of your IP
Virtually seamless workflow between model and hand-written code
Automatically reverse-engineered to become part of the model
RTOS
Legacy
Code
Rhapsody Real-Time Framework
Rhapsody Generated Code

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Integrating existing and third-party code
More easily understand interfaces between existing code and new features
New features
External code

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Modify existing code
Dynamic model and code collaboration
Code respect enables reuse while maintaining the structure, naming,
location and order of existing code
Reverse-engineer existing code, changes at code level round-tripped
into model
Respect

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Working with code and models
Increase developer productivity and ease model-driven development
adoption
Use tools familiar to coder
Tight integration with IDE
Changes in code need to be reflected in model
Code respect helps ensure that the code and model have the
same structure
Multilanguage development allows designers to use the C, C++ and Java
™

languages in the same model

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Work the way you want
Work at code or model level
Reduce learning curve
Increase effectiveness
Design and code are kept synchronized: dynamic model code associativity
(DMCA)
Change one view, the others change automatically
Critical for realtime embedded software development
DMCA

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Rhapsody integration with Eclipse
Integrated model-driven development within Eclipse environment
Work in either the code or Rhapsody; both stay in sync
Leverage Eclipse to tailor environment for your needs
Eclipse code
editor
Rhapsody
diagram editors

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Integrated design and debug environment
Natural workflow for code-centric developers
Perform design or code-level debugging in single environment
Use Eclipse
Intellisense
View build
errors
View Rhapsody
diagrams
View model
information

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Test and validate early
Simulate to verify that model is correct
Best practice to help avoid errors and therefore reduce development cost
Rapid simulation at the design level or even target level debugging
Virtual prototype/panel graphics support
Ideal communications aid for design reviews and to share information

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Traditional code-centric testing process
Coding test benches manually ...
Error prone;
no fun
Coding test cases manually ...
Difficult;
poor coverage
is the norm
Code on host ...
Puzzling;
time
consuming
Code on target ...
Frustrating;
expensive

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Model-driven testing
Bring the benefits of abstraction and automation to testing
Reduce defects early in the process when they are less costly to fix
Deliver products meeting customer expectations
Simulation
Finding & Correcting Errors
Sequence Diagrams
Requirements-based testing Automated unit testing
Host based Target based

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Design and test process integration
Virtually seamless integrated process, based on UML 2.0
testing profile
Requirements linked to test cases
Easier navigation between design and test artifacts
Design and test—in sync
Automatically generated test execution reports
Design artifacts
Test artifacts
Test execution reports

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Creating a Graphical Test Architecture
A Test Architecture is a model of a
code-based TestBench
Automatically generated
Updates as model gets updated
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Test Cases Behaviors as Sequence Diagrams
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Use Sequence Diagrams as graphical test scripts to capture the required behavior
Record and ReUse Animated Sequence Diagrams as test cases for regression
testing purposes
Use ATG to automatically generate test cases from the design

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Test Cases Behaviors as Flowcharts and Code
21

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Test Execution & Test Reporting
22
Execute/Report on Test Execution
Inputs to SUT and stubs behaviours are
played out automatically
Unexpected behaviours are highlighted
Test Execution Reports can be customized
to match company/project standards

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Structural Testing with Rational Test RealTime
Static Analysis
Metrics Reporting
MISRA-C:2004 compliance review
Runtime Analysis
Code Coverage
Memory Profiling
Performance Profiling
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Analyze user code blocks to ensure quality of the application.

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Runtime Analysis: Code Coverage
Get insights into program
execution
Identify unused and/or untested
code
MC/DC Coverage levels for C/C++
Directly correlate all analysis
results to test cases and code
24

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Runtime Analysis: Memory Profiling
Detect hard-to-find memory problems
Error Messages
Freeing Freed Memory (FFM)
Freeing Unallocated Memory (FUM)
Freeing Invalid Memory (FIM)
Late Detect Array Bounds Write (ABWL)
Late Detect Free Memory Write (FMWL)
Memory Allocation Failure (MAF)
Core Dump (COR)
Warning Messages
Memory in Use (MIU)
Memory Leak (MLK)
Potential Memory Leak (MPK)
File in Use (FIU)
Signal Handled (SIG)
Directly correlate all analysis results to test
cases and code
25

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Runtime Analysis: Performance Profiling
Graphically see where your application
is consuming the most time
Top functions graph
Performance summary report
26

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Open development environment
•Requirements management
•Configuration management
•Documentation
•Test
•Continuous modeling
•Tool interoperability
•IDEs
•Realtime operating systems and operating
systems (sample)
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OSsOSs
CompilersCompilers
RhapsodyRhapsody
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DocumentationDocumentation
TestTest
HMIHMI
CORBACORBACOMCOM
Pushbutton CORBA (Tao) and COM support

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Open development environment
Reuse existing IP
Work with existing development tools and processes
Open configuration management Interface
Interface to any compiler or IDE
Work with any realtime operating system or target
Continue to use existing development tools
Code coverage
Static analysis
Simulink integration
Application programming interface (API) to create custom scripts

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Summary
Rhapsody’s model-driven development environment lets you work the way
you want to
Model code associativity synchronizes the model and code
Rhapsody supports reuse of software assets
Visualize legacy code to provide clarity
View structure and architecture of the current design
Better understand code that is in “maintenance mode”
Leverage external code into your application
Move forward with model-driven testing to help improve quality and productivity
Integrated Verification and Validation with TestConductor & Test RT integration
Rhapsody provides an open environment that allows you to continue to use
existing tools

30. ®
IBM Software Group
© 2008 IBM Corporation
Appendix

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Aerospace/defense applications
Aerospace/defense applications
Air traffic control
Avionics
Displays
Navigation
Autopilot
Cabin systems
Communications
Wireless
Secure
Engine controls
Flight controls
Fuel systems
Hydraulic systems
Landing gear
Flight controls
Aerospace/defense applications
Landing systems
Lighting systems
Maintenance systems
Military vehicles
Manned
Unmanned
Missiles
Mission software
Power management
Radar
Satellites
Training systems
Weapons systems
Stores management
Fire control

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Automotive applications
Automotive applications
Body/cabin systems
Air bag
Communications - buses
(Can and J1850)
Communication gateways
Displays (dashboard)
Digital tachography
systems
GPS
HVAC (climate control)
Keyless entry
Lighting (interior/exterior)
Occupant position
Power seat
Power tilt
Power seat belts
Power mirrors
Power roofs
Automotive applications
Body/cabin systems
Power windows
Power sliding doors
Power locks
Radios
Security/anti-theft
Telematics
Tire deflation indicator
Windshield wipers
Chassis control systems
ABS
Power train systems
Cruise control
GlowPlug
Transmission/gear box

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Medical applications
Medical applications
Medical imaging
IMRT
Computed tomography
(CT) scanners
Implantable therapeutic
devices
Blood oxygenation
Heart lung machines
Pacemakers
Defibrillators

Medical applications
Blood glucose monitors
PAP test
Blood analyzer
Incubator
Oncology care
Infusion pumps and
systems
Dental treatment centers

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Industrial automation applications
Industrial automation applications
Air-conditioning systems
Elevator controls
Home heating systems
Pick and place systems
Semiconductor
manufacturing
Industrial automation applications
Wafer inspection systems
Letter sorting systems
Semiconductor component
handlers
Industrial process
engineering

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Telecommunications applications
Telecom applications
EVDO
IMS (IP multimedia
subsystem)
Intelligent networks
Radio access network
for 3G
Routers/switches
Telecom applications
Set-top boxes
Terminal devices (handsets)
Telephony modems
Ultra mobile broadband
Wi-MAX

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Consumer electronics/office automation applications
Consumer/office applications
Copiers
DECT with SMS/MMS
Faxes
Hard drives
Image processing
Multifunction copiers
Printers
Consumer/office applications
Copiers
Printer drivers
Security systems
Industrial printers
TV applications
Cashless point of sale
Mobile data capturing
terminals

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IBM services
Customer services
Technical support
Client center
Administrative support
Consulting
Best practices assessment
Process and methodology
Consulting and mentoring
Training
 Tool training: dedicated for systems engineers
Dedicated for software engineers
Process training, including Harmony process training
and modeling guidelines handbook
UML / SysML training
Department of Defense Architecture Framework
(DoDAF) training
 Rapid deployment package
 Custom courses
Tools Consulting
Customer
serviceTraining

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Rapid deployment package
Provides a roadmap for a successful and on-time project
Supports enhanced productivity
Helps reduce risks
Specifically designed for new Telelogic Rhapsody users or existing users
beginning a new project
IBM experts work directly with your team
Based on extensive experience in helping users develop systems and
software with Rhapsody
Contents customized based on your project needs
Includes a customized methodology handbook with plus version

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Rapid deployment package—how it works
Info gathering
• Definition of goals, requirements,
deliverables, milestones, etc.
Kickoff workshop
• Develop methodology to optimally use
Rhapsody within your process
Essentials training
• Teaches the concepts and techniques
used to apply Rhapsody for systems
engineering
Consulting/mentoring
• Collaboration with experts to get
you started
Best practice
reviews
• Periodic reviews to help ensure that
Rhapsody is being used to its fullest
potential
Exact content based on your needs

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Rapid development package—the handbook
Info gathering
Kickoff workshop
Essentials training
Consulting/mentoring
Best practice
reviews
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Customized for your goals
Tailored to your process
Includes
Process description
Modeling guidelines
Traceability guidelines
Content management guidelines
Illustrations
Completed by the end of rapid
development package
Exact content based on your needs

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Open, extensible and configurable framework
Goal: customizable framework so that users have greater control
The framework is delivered as a Rhapsody model
Provides a clear understanding of its component structure and functionality,
to support fine-tuning
Includes requirements and design rationale so it’s easily understood
Validation suite can be made available through professional services
Facilitates scaling down for smaller footprint applications
Pick and choose only the necessary components
Customize components
Facilitates certification of the framework such as DO-178B
Scalable—helps ensure that you include only the components you need;
no dead code
Customizable—you can fine-tune the implementation to help meet
the safety-critical standards

42. ®
IBM Software Group
© 2008 IBM Corporation
Agile and model-driven development for
development of realtime or embedded systems

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Agile software principles
Implementation versus exhaustive planning and documentation
Iterative, incremental development and testing of working parts of the
design completed quickly
Team collaboration with customers and business stakeholders
Responsiveness to ever-changing requirements, virtually anytime in
the development cycle

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Challenges facing developers
Poor communication with customer on code level alone
Some documentation is still required
Valuable diagrams are created during meetings that are discarded and later
needed
Target hardware may not be available for early prototyping
Managing changing requirements
Increasing productivity while design complexity increases
More documentation required for embedded systems
Collaboration with large teams, often located globally
Long learning curve for new team members
Maintenance of long life products is difficult with staff changes

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Rhapsody Model-Driven Development
Rhapsody Model-Driven Development™ helps developers to capture the design
using graphical models
Visualizing design concepts helps increase understandability
Use Object Management Group (OMG) UML or a domain-specific language (DSL)
Achieving the benefits of both Model-Driven Development and Agile requires the
model and code to be the same

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Agile and model-driven development with
Rhapsody
Rhapsody supports graphical programming of the working application while
documentation is automatically generated
Empowers individuals to work the way they want to get the job done the way they know
how at either the code or model level
Work in an iterative, incremental development fashion producing working parts of the
design in short time frames while executing and validating each part on target or host
Support team collaboration with customers and business stakeholders via graphical
models and prototypes as opposed to code based designs
Ability to respond to ever-changing requirements, virtually anytime in the development
cycle using dynamic links to requirements and automatic graphical differencing and
merging

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Iterative development
Deliver prototypes often with increasing functionality
Customers and stakeholders provide feedback
Helps ensure that final product meets expectations
Prototype 1 Prototype 2 Prototype 3
Name: Hello World
Mission:
• Subsystem architecture
• Data acquisition
• Basic user interface for monitoring
Name: Revision 1
Mission:
• Basic distribution architecture
• Data waveform display
• User setting of control values
• Data logging
Name: 'Customer Review Prototype'
Mission:
• Reliable Distribution Architecture
• Reliable transport protocol
• Sockets
• Closed Loop Control
Analysis
Design
Implementation
Testing
Increment
review

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For more information
To learn more about Telelogic Rhapsody, please visit:
http://modeling.telelogic.com/products/rhapsody/index.cfm

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© Copyright IBM Corporation 2008
IBM Corporation
Route 100
Somers, NY 10589
U.S.A.
Produced in the United States of America
October 2008
All Rights Reserved
IBM, the IBM logo, ibm.com, Rational, and Telelogic are trademarks or registered trademarks of International
Business Machines Corporation in the United States, other countries, or both. If these and other IBM trademarked
terms are marked on their first occurrence in this information with a trademark symbol (® or ™), these symbols
indicate U.S. registered or common law trademarks owned by IBM at the time this information was published. Such
trademarks may also be registered or common law trademarks in other countries. A current list of IBM trademarks is
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Other company, product, or service names may be trademarks or service marks of others.
References in this publication to IBM products or services do not imply that IBM intends to make them available in all
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Copyright information
RAP14031-USEN-00