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Islamic Azad University
           Science & Research Campus

               IT Management
Structured System Analysis & De...
In God We Trust




      Copyright © 2008-2009 Ali-
                                          2
  Mollabagher.com | All r...
Copyright © 2008-2009 Ali-
                                        3
Mollabagher.com | All rights reserved
Content

• Why Configuration Management ?
• What Is Configuration Management ?
• History
• Configuration Items
• Planning
...
Why Presenting Configuration Management ?




The Information Technology Infrastructure Library (ITIL) is a set of
  conce...
Why we use Configuration Management ?


It is used to track the system after change as it require, change
  occur due to f...
What Is Configuration Management ?



  Define         Manage                 Control         Audit




       Changes mad...
History

1960s           1970s                                           1990s




Started




The American Government - M...
Configuration Items

                                                                    Program code
            Standard...
Planning



                       1.Establish a configuration management plan


                   2.Responsible develope...
Configuration Control



                                           1.Establishing a baseline


                          ...
Initial line as a reference point for all other measurements.




            outcome or milestone of system development

...
Copyright © 2008-2009 Ali-
                                        13
Mollabagher.com | All rights reserved
In subsequent releases,

 the major number is increased when there are significant jumps in

functionality,

 the minor ...
Copyright © 2008-2009 Ali-
                                        15
Mollabagher.com | All rights reserved
Designating development stage

          0                                 For alpha status
          1                   ...
Windows 95                                       4.0
 Windows 98                                      4.10
Windows Me     ...
Copyright © 2008-2009 Ali-
                                        18
Mollabagher.com | All rights reserved
Involves archiving the entire system, including :

   The executable programs
   Data files
   Source code,
   Relate...
At the time the system is frozen,
benchmark measurements
(execution time, response time, and the like)
should be taken for...
To measure how the change affected response time and
other standard performance metrics.



Benchmark measurements taken...
After approval is granted, the production system is frozen, the
new version of the test system becomes the production
syst...
Configuration auditing and reporting



 The purpose of configuration auditing is to ensure that the approved
changes hav...
Benefits of Configuration Management

  Improves                Decreases

    Product protection         Rework


     Pr...
Costs of Configuration Management

Costs are outweighed by benefits, because Configuration Management allows handling of a...
Risks of Configuration Management

CIs with too much or too little detail


Interfaces to other systems in which CI inform...
Copyright © 2008-2009 Ali-
                                        27
Mollabagher.com | All rights reserved
Conclusion

• Configuration Management is a component of ITIL Standard
  for implementing IT in enterprises

• Changes are...
References
1.The information system consultant’s handbook : system Analysis and Design
/ chapter 80/configuration manageme...
References
. Retrieved on 2009-02-24.
1.^ The IT Skeptic (2008). quot;Three reasons why ISO20000 certification is not ITIL...
References
. Retrieved February 13, 2006.
1.^ Office of Government Commerce (UK)CCTA and OGC

. Retrieved May 5, 2005.
1.^...
References


CIO Magazine, March 31, 2005
1.^ van Herwaarden, H. and F. Grift (2002). quot;IPW(tm) and the IPW Stadia Mode...
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Configuration Management (Ali Mollabagher.Com)

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Configuration Management
The goals of using CM are to ensure the integrity of a product and to make its evolution more manageable.

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Configuration Management (Ali Mollabagher.Com)

  1. 1. Islamic Azad University Science & Research Campus IT Management Structured System Analysis & Design Method Configuration Management Instructor Dr.Motadel Presented by: Hamed Godazgar Ali Mollabagher Eshrat Shafaat nd 2 Semester of 2008-2009 1
  2. 2. In God We Trust Copyright © 2008-2009 Ali- 2 Mollabagher.com | All rights reserved
  3. 3. Copyright © 2008-2009 Ali- 3 Mollabagher.com | All rights reserved
  4. 4. Content • Why Configuration Management ? • What Is Configuration Management ? • History • Configuration Items • Planning • Configuration Management Control • Benefits • Costs & Risks • Conclusion • References Copyright © 2008-2009 Ali- 4 Mollabagher.com | All rights reserved
  5. 5. Why Presenting Configuration Management ? The Information Technology Infrastructure Library (ITIL) is a set of concepts and policies for managing information technology (IT) infrastructure, development and operations & Configuration Management is one of these standards. Copyright © 2008-2009 Ali- 5 Mollabagher.com | All rights reserved
  6. 6. Why we use Configuration Management ? It is used to track the system after change as it require, change occur due to following reasons. To make system cross-platform Accommodating new functionality Tailored for particular user requirements Copyright © 2008-2009 Ali- 6 Mollabagher.com | All rights reserved
  7. 7. What Is Configuration Management ? Define Manage Control Audit Changes made to the original system Establish system Maintain system integrity integrity Copyright © 2008-2009 Ali- 7 Mollabagher.com | All rights reserved
  8. 8. History 1960s 1970s 1990s Started The American Government - Military Standards Emerging many other standards and publications Copyright © 2008-2009 Ali- 8 Mollabagher.com | All rights reserved
  9. 9. Configuration Items Program code Standards, and procedures listings Maintenance requests Testing, operatio n, and execution Design plans specifications Manuals (user, operation, command, and system) System specifications Problem and error reports Set of resources to support configuration management an aggregation of hardware, software, or documentation which is designed for configuration control Copyright © 2008-2009 Ali- 9 Mollabagher.com | All rights reserved
  10. 10. Planning 1.Establish a configuration management plan 2.Responsible developers and maintainers must be identified Planning 3.Budget must be defined 4.Must be ensure that the appropriate tools and documentation are available. 5.Configuration items are collected. Copyright © 2008-2009 Ali- 10 Mollabagher.com | All rights reserved
  11. 11. Configuration Control 1.Establishing a baseline 2.Version control Configuration control 3.Freezing the system 4.Benchmarks 5. Regression testing 6.Establishing a new baseline Copyright © 2008-2009 Ali- 11 Mollabagher.com | All rights reserved
  12. 12. Initial line as a reference point for all other measurements. outcome or milestone of system development The version of the system on which the final system test is performed might serve as the initial baseline. Copyright © 2008-2009 Ali- 12 Mollabagher.com | All rights reserved
  13. 13. Copyright © 2008-2009 Ali- 13 Mollabagher.com | All rights reserved
  14. 14. In subsequent releases,  the major number is increased when there are significant jumps in functionality,  the minor number is incremented when only minor features or significant fixes have been added, and  the revision number is incremented when minor bugs are fixed. Copyright © 2008-2009 Ali- 14 Mollabagher.com | All rights reserved
  15. 15. Copyright © 2008-2009 Ali- 15 Mollabagher.com | All rights reserved
  16. 16. Designating development stage 0 For alpha status 1 For beta status 2 For release candidate 3 For public release 1.2.0.1 Instead of 1.2-a 1.2.1.2 Instead of 1.2-b2 (beta with some bug fixes) 1.2.2.3 Instead of 1.2-rc 1.2.3.0 Instead of 1.2-r (commercial distribution) 1.2.3.5 Instead of 1.2-r5 (commercial distribution with many bug fixes) Copyright © 2008-2009 Ali- 16 Mollabagher.com | All rights reserved
  17. 17. Windows 95 4.0 Windows 98 4.10 Windows Me 4.90 Windows 2000 NT 5.0 Windows XP NT 5.1 Windows 2003 NT 5.2 Windows Vista NT 6.0 Windows 7 NT 6.1 Copyright © 2008-2009 Ali- 17 Mollabagher.com | All rights reserved
  18. 18. Copyright © 2008-2009 Ali- 18 Mollabagher.com | All rights reserved
  19. 19. Involves archiving the entire system, including : The executable programs Data files Source code, Related documentation. The archive can be used to reestablish the pre-change version. Copyright © 2008-2009 Ali- 19 Mollabagher.com | All rights reserved
  20. 20. At the time the system is frozen, benchmark measurements (execution time, response time, and the like) should be taken for the system. Copyright © 2008-2009 Ali- 20 Mollabagher.com | All rights reserved
  21. 21. To measure how the change affected response time and other standard performance metrics. Benchmark measurements taken on the baseline is the key to regression testing. Copyright © 2008-2009 Ali- 21 Mollabagher.com | All rights reserved
  22. 22. After approval is granted, the production system is frozen, the new version of the test system becomes the production system, and a new baseline is established. Copyright © 2008-2009 Ali- 22 Mollabagher.com | All rights reserved
  23. 23. Configuration auditing and reporting  The purpose of configuration auditing is to ensure that the approved changes have been implemented. The purpose of configuration reporting is to ensure that the changes are broadcast Copyright © 2008-2009 Ali- 23 Mollabagher.com | All rights reserved
  24. 24. Benefits of Configuration Management Improves Decreases Product protection Rework Product visibility Confusion Product control Project Risk Team communication Customer Confidence 24
  25. 25. Costs of Configuration Management Costs are outweighed by benefits, because Configuration Management allows handling of a large volume of changes, thus keeping quality. Configuration Management control reduces risks of viruses, wrong software, fraud, theft, and so on. Staff costs for developing and running procedures Hardware and software configuration identification Hardware and software for the CMDB & DSL Customization of Configuration Management tool Integration with other Service Management tools Training and education 25
  26. 26. Risks of Configuration Management CIs with too much or too little detail Interfaces to other systems in which CI information is stored Keep the information in the CMDB accurate Roles and responsibilities Lack of configuration control Overambitious schedules and unrealistic expectations No commitment from management Copyright © 2008-2009 Ali- 26 Mollabagher.com | All rights reserved
  27. 27. Copyright © 2008-2009 Ali- 27 Mollabagher.com | All rights reserved
  28. 28. Conclusion • Configuration Management is a component of ITIL Standard for implementing IT in enterprises • Changes are inevitable in the system so keeping track of changes is an essential task . • The duty of configuration management is to define, manage changes by planning and controlling them from analyzing to the end of system existence. Copyright © 2008-2009 Ali- 28 Mollabagher.com | All rights reserved
  29. 29. References 1.The information system consultant’s handbook : system Analysis and Design / chapter 80/configuration management 1.http://www.atlasfarhang.com/History.aspx 2.IBM.Press.Implementing.ITIL.Configuration.Management 3.^ APMG (2008). quot;ITIL® Service Management Practices: V3 Qualifications Schemequot; (HTML). http://www.itil-officialsite.com/nmsruntime/saveasdialog.asp?lID=572&sID=86 . Retrieved on 2009-02-24. 1.^ Office of Government Commerce (2006). “ Best Practice portfolio: new contracts awarded for publishing and accreditation servicesquot; (HTML). http://www.ogc.gov.uk/About_OGC_news_4906.asp . Retrieved on 2006-09-19. 1.^ Office of Government Commerce (2008). quot;Best Management Practice: ITIL® V3 and ISO/IEC 20000quot; (HTML). http://www.best-management-practice.com/gempdf/ITIL_and_ISO_20000_March08.pdf Copyright © 2008-2009 Ali- 29 Mollabagher.com | All rights reserved
  30. 30. References . Retrieved on 2009-02-24. 1.^ The IT Skeptic (2008). quot;Three reasons why ISO20000 certification is not ITIL V3 certificationquot; (HTML). http://www.itskeptic.org/node/581 Retrieved on 2009-02-24. 1.^ IBM Global Services (2004). quot;IBM and the IT Infrastructure Libraryquot; (PDF). http://www.ibm.com/services/us/igs/pdf/wp-g510-3008-03f-supports-provides-itil- capabilities-solutions.pdf . Retrieved on 2006-05-31. 1.^ IBM Global Services (2003). quot;IBM's commitment to ITIL (archived)quot; (HTML). http://web.archive.org/web/20070304184624/http://www- 935.ibm.com/services/us/index.wss/detail/its/a1000593?cntxt=a1000429 Retrieved on 2007-03-04. 1.^ Van Schaik, E. A. (1985). A Management System for the Information Business. Englewood Cliffs, NJ, Prentice-Hall, Inc. ISBN 0-13-549965-8 2.^ Van Schaik, E. A. (2006 2nd Ed.). A Management system for the Information Business. Red Swan Publishing. ISBN 1933703032 3.^ Nolan, Richard, 1974, 1982. Managing the Data Resource Function. St. Paul, Minnesota, West Publishing. ISBN 0829900039 (1982 ed.) Copyright © 2008-2009 Ali- 30 4.^ Office of Government Commerce. ITIL Refresh | All rights reserved Mollabagher.com Statement
  31. 31. References . Retrieved February 13, 2006. 1.^ Office of Government Commerce (UK)CCTA and OGC . Retrieved May 5, 2005. 1.^ Office of Government Commerce (2000). Service Support. The Stationery Office. ISBN 0-11- 330015-8. 2.^ Office of Government Commerce (2001). Service Delivery. IT Infrastructure Library. The Stationery Office. ISBN 0-11-330017-4. 3.^ Office of Government Commerce (2002). Planning To Implement Service Management. The Stationery Office. ISBN 0-11-330877-9. 4.^ Cazemier, Jacques A.; Overbeek, Paul L.; Peters, Louk M. (2000). Security Management. The Stationery Office. ISBN 0-11-330014-X. 5.^ Office of Government Commerce (2002). ICT Infrastructure Management. The Stationery Office. ISBN 0-11-330865-5. 6.^ Office of Government Commerce (2005). The Business Perspective. The Stationery Office. ISBN 0-11-330894-9. 7.^ Office of Government Commerce (2002). Application Management. The Stationery Office. ISBN 0-11-330866-3. 8.^ Office of Government Commerce (2005). ITIL Small Scale Implementation. The Stationery Office. ISBN 0-11-330980-5. 9.^ van Bon, J.(Editor) (2002). The guide to IT service management. Addison Wesley. ISBN 0-201- 73792-2. 10.^ Meyer, Dean, 2005. quot;Beneath theCopyright © 2008-2009 Ali- Buzz: ITILquot; 31 Mollabagher.com | All rights reserved
  32. 32. References CIO Magazine, March 31, 2005 1.^ van Herwaarden, H. and F. Grift (2002). quot;IPW(tm) and the IPW Stadia Model(tm) (IPWSM)quot;. The guide to IT service management. J. Van Bon. London, Addison-Wesley: 97-115. • http://techrepublic.com.com/2001-6240-0.html Copyright © 2008-2009 Ali- 32 Mollabagher.com | All rights reserved

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