Software configuration management
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"SCM" redirects here. For other uses, see SCM (disambiguation).
Software Configuration Management (SCM) is part of configuration management (CM). Roger Pressman (in his book) Software Engineering: A Practitioner's Approach, says that software configuration management (SCM) is a "set of activities designed to control change by identifying the work products that are likely to change, establishing relationships among them, defining mechanisms for managing different versions of these work products, controlling the changes imposed, and auditing and reporting on the changes made." In other words, SCM is a methodology to control and manage a software development project.
SCM concerns itself with answering the question: somebody did something, how can one reproduce it? Often the problem involves not reproducing "it" identically, but with controlled, incremental changes. Answering the question will thus become a matter of comparing different results and of analysing their differences. Traditional CM typically focused on controlled creation of relatively simple products. Nowadays, implementers of SCM face the challenge of dealing with relatively minor increments under their own control, in the context of the complex system being developed.
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[edit] Terminology
The specific terminology of SCM, as well as its history, has given rise to controversy, and often varies.
Tool vendors as well as academics may find it to their advantage to deliberately change terminology or procedures to reduce the possibility of the customer (or field) from changing ("lock-in"), sometimes trying in this manner to redefine established acronyms.
- Source configuration management (Often used to indicate that a variety of artifacts may be managed and versioned, including software code, documents, design models, and even the directory structure itself.)
- Revision control (also known as version control or source control)
- See also List of revision control software.
- Source code
- Change management
- Configuration item
- software configuration
- Change set
- Baseline (configuration management)
In particular, the former vendor, Atria (later Rational Software, now a part of IBM), used "SCM" to stand for "Software Configuration Management".
[edit] Purposes
The goals of SCM are generally:
- Configuration Identification- What code are we working with?
- Configuration Control- Controlling the release of a product and its changes.
- Status Accounting- Recording and reporting the status of components.
- Review- Ensuring completeness and consistency among components.
- Build Management- Managing the process and tools used for builds.
- Process Management- Ensuring adherence to the organization's development process.
- Environment Management- Managing the software and hardware that host our system.
- Teamwork- Facilitate team interactions related to the process.
- Defect Tracking- making sure every defect has traceability back to the source
[edit] References
- Berczuk, Appleton; (2003). Software Configuration Management Patterns: Effective TeamWork, Practical Integration (1st ed.). Addison-Wesley. ISBN 0-201-74117-2.
[edit] See also
- Revision control
- List of revision control software
- Comparison of revision control software
- Business Technology Optimization
[edit] External links
- CmWiki, Configuration Management Wiki - A wiki web dedicated to Configuration Mangement
- CmYellowPages, Configuration Management Yellow Pages - a dynamic directory of links to configuration management resources
- CM Community, Connecting Configuration Management Professionals around the World: An independent website which contains numerous resources on configuration management which includes CM Forum, CM Jobs Database, CM Salary Survey, CM processes and etc.
- CM Crossroads, The worlds largest online community and resource center for configuration management. CM Crossroads hosts interactive discussion forums, a book store, monthly newsletter, Career Search and Jobs Board, an extensive library of resource links a user contributed file cabinet and the Configuration Management Body of Knowledge (CMBoK) WikiWiki Web
- Article Use Cases and Implementing Application Lifecycle Management Systems
- Trac, An open-source web-based SCM, provides front-end to Subversion and integrated wiki
- Article Parallel Development Strategies for Software Configuration Management
