Boost Agility - Ten Best Practices for Requirements Driven Software Delivery

8/9/2019 Boost Agility - Ten Best Practices for Requirements Driven Software Delivery

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IBM Software Group

2010 IBM CorporationInnovation for a smarter planet

Boost Agility: Ten BestPractices for Requirements

Driven Software DeliveryAdeel OmerAlice CockrumBrian BrysonMatthew Holitza
http://www.ibm.com/software/rationalhttp://www.ibm.com/software/rational


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IBM Software Group | Rational software

Innovation for a smarter planet

Requirements Driven Software Delivery

People workingtogether according to

a defined process

Strategies andtechniques to

accelerate delivery

Metrics for projectstatus and decision

making

Collaboration ReportingAutomation


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Practice #1 Establish Traceability

Maintain business and ITalignment bylinking any artifact or any element in anartifact to any requirements or otherartifact.

Manage complexitywith detailedtraceability views that display parent-childrelationships.

Map solution architecture pieces to specificrequirementsto ensure specificrequirements have been targeted in thesolution

Identify, prioritize and implement business needs

COS

T

DEFECTS +

DELAYS

Project MgrAnalyst

Tester Developer

Customers


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Practice #2 Manage Evolving Requirements

Reduce project risk through improved organization

Improve organization through collections andsnapshots:

Use collections to facilitate review andapproval, and to denote scope

Create snapshots that capture, point to, anduse specific versions of artifact sets

Use common repositories for managing all assets

Use asset management to define and enforcebusiness processes around software delivery

User approved and verified reusable assetsand change them using a defined process

Central Hub


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Practice #3 Collaborate with Stakeholders Early andOften

Achieve consensus, increase customer satisfaction!

Web review and approval workflow

Improve effectiveness of eliciting,elaborating and validating requirements

Give stakeholders web review access,

comment within scope of review, andconduct formal and informal reviews.

Sidebar with immediate view of team and recent requirements,artifacts and comments

Use deployment modeling to communicate IT needs preciselyand effectively between stake holders, architects anddeployment/operations teams

DB DB

Spreadsheets

Models

Documents

Folders

DataEmails

Images

Glossaries

Hyperlinks


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Practice #4: Automate! Automate! Automate!

What is software delivery automation?

Automation of robotic/repetitive tasks

Examples of automation:

Continuous build integration

Unit Testing of Personal, Team and Integration Builds

Automated deployment of configurations and applications to development, test, stagingand production environments

Automated functional, security and performance testing


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Why automate?

Benefits:

Enables teams to quickly adapt to evolving requirements

Frees teams to focus on creative value-added activities

Consistency across development, test and staging Environments

Greater efficiency across lifecycle

Considerations:

Analyze your processes and environments

Management buy-in


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Practice 5: Use Super Glue!

Benefits:

Provides a consistent vehicle forall team members to collaborate

Enables enforceable processes

Central status reporting

Ensures compliance

requirements can be easilyverified

Considerations:

Executive and cross-organizational representation

Integrates with your existingtools or provides open platform

Just enough customizability

Open source vs Commercial

VersionControl

UI

LOGIC

DB

UI

LOGIC

DB

UI

LOGIC

DB

UI

LOGIC

DB

UI

LOGIC

DB

ContinuousIntegration

QualityManagement

ServiceDesk

Requirements

Management

8


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Practice #6 Reporting

Increase productivity with automation throughenhanced reporting and document generation

Users can

generate use case survey documents andrequirements specifications using out-of-the-box reporting based on Rational PublishingEngine technology

seed report content from requirement, use-case diagram, and use case artifacts

customize report details and

generate reports in Microsoft Word, HTML, or

PDF format

Communicate status and results for risk mitigation and continuous improvement


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Practice #7 Accurate Impact Analysis

Automate the determination ofhow your IT is affected bychanging business demands

Forward: determine howrequirements change affects

solution implementationReverse: determine how

implementation andoperational limits affectrequirements

Provide platform forcollaboration so nothing slipsbetween the cracks

Make informed decisions in the face of change


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Practice # 8 Reliable Change Propagation

Use automation to propagateminute changes within affectedsolutions

Use visual construction,refactoring and wizards to modifycomplex applications

Use change management bestpractices

Automated builds, snapshots and

versioning to allow reliablebacktracking if necessary

Accelerate change implementation and improve reliability


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Practice #9 Adopt a Risk Based Testing Approach

You cannot test every aspect of your code

You should not unilaterally decide what should and should not be tested

You should have a logical team based approach to selecting what makes the plan

This is one example of how to capture risk using Rational Quality Manager


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Practice #10 Be Early

As soon as the requirements are in, plan the test cases

As testable builds arrive

Consider re-using development time tests

Script lightweight manual tests to validate newfunctionality

Once functionality is stable, consider automation

This may be after the release

Once the release is out automated manual tests fromprevious build

Assemble into regression suites

Throughout, continually run regression suite

Do whatever you can, as soon as you can to stayahead

Ensure quality and reliability, validate necessary requirements


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Requirements Driven Software Delivery

Collaborate withStakeholders Early and

Often

Risk Based Testing

Be Early

Automate repetitiveprocess

Streamlined changemanagement

Establish Traceability

Accurate Impact Analysis

Comprehensive Reporting

Manage Change

Collaboration ReportingAutomation


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Additional Resources (All)

Requirements Definition and Managementibm.com/software/rational/offerings/irm

Change and Release Managementibm.com/software/rational/offerings/crm

Quality Managementibm.com/software/rational/offerings/quality/

Architecture Management

ibm.com/software/rational/offerings/architecture/


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