SOFTWARE CONFIGURATION

MANAGEMENT

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Arunnima B S

Contents

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What is SCM

Why SCM

SCM Process

Role of Configuration Manager

SCM Tools

Software Configuration Management

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Set of activities that have been developed to manage

change throughout the life cycle of computer software

Why SCM?

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Multiple people working in a given project

Different versions of documents/Software

Different releases to customers

Need for coordination

&

Streamlined processes

SCM

Set of activities designed to manage change

by identifying the work products that are likely to

change

establishing relationship among them

defining mechanisms for managing different

versions of these work products

controlling the changes

auditing and reporting the changes made

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Terminologies

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Configuration Item

Baseline

Version

Release

SCM Directories

Terminologies

Configuration Items

Set of software and hardware items that needs

configuration control

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Requirement Documents

Design Documents

Test Documents

Source Code Executables

Databases

Test Data

Bug reports Build

Servers

Terminologies

VersionSpecific version of a configuration item

ECR_BRD V0.1.doc

ECR_BRD V0.2.doc

Baseline A specification or product that has been formally reviewed andagreed to by responsible management, that thereafter serves as thebasis for further development, and can be changed only throughformal change control procedures

ECR_BRD V1.0.doc

ECR_BRD V2.0.doc

As systems are developed, there could be different baselines

• Developmental baseline

• Functional baseline

• Product baseline

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Terminologies

ReleaseFormal distribution of an approved version

May be to testing team, implementation team or to customer

SCM Directories or SCM Repository Set of mechanisms and data structures that allow a team to

manage change in an effective manner.

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Contents of SCM Repository

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SCM Process

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SCM Process

Identification of CI Identify and name each item separately

Categorize

Change Control Change request

Approval/Rejection by change control board

Checkout CI

Make Changes

Review and Check in changes

Version Control Procedures to manage different versions of CI

12Note : CI : Configuration Item

SCM Process

Configuration audit Ensure configuration plan is adhered to

Any non compliance identified

Any corrective measures

Reporting Status of configuration audit – Who did what, when and what

else is affected

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Administering SCM

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Organization wide

Project wise

Distributed amongst project members

CM Plan

At project level

Defines

The type of CI to be managed

The naming scheme of the items

Policies for change control, versioning, release management

Roles and responsibilities of Configuration Manager, Project

Manager and other team members

Tools to be used for CM

Audit processes

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Sample CM Plan Contents

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Change Management

Change requests From customers

From market forces

From developers

Change Management deals with Managing the changes

Keeping track of the changes

Implementing in a cost effective manner

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Change Management Process

Request change by completing a change request

form

Analyze the change request

Access how the change may be implemented

Access change cost

Submit change to Change Control Board (CCB)

If change is accepted by CCB, implement change

Reject change If change incurs huge cost/effort Move to next release

/enhancement

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Version & Release Management

Identification of versioning process & numbering

mechanism Major Release

Minor Release

Maintenance Release

Patches

Releases To team outside development team

To Testing Team

To Customers

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Role of Configuration Manager

Identify configuration items

Define policies and procedures for change

management

Define versioning, baselining , build and release

procedures

Prepare configuration management plan

Configuration control

Configuration audit

Configuration reporting

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SCM Tools

Microsoft Visual Source Safe (VSS)

Concurrent version system (CVS)

Subversion (SVN)

ClearCase

SourceForge

Rational Team Connect (RTC)

Microsoft Team Foundation Server (TFS)

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VSS

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CVS

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TFS

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