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Software change request process

An effective software change request (SCR) process requires the use of supporting tools and procedures ranging from paper forms and a documented procedure to an electronic tool for originating change requests, enforcing the flow of the change process, capturing CCB decisions, and reporting change process information. A link between this tool capability and the problem-reporting system can facilitate the tracking of solutions for reported problems. Change process descriptions and supporting forms (information) are given in a variety of references.

Implementing software changes

Approved SCRs are implemented using the defined software procedures in accordance with the applicable schedule requirements. Since a number of approved SCRs might be implemented simultaneously, it is necessary to provide a means for tracking which SCRs are incorporated into particular software versions and baselines. As part of the closure of the change process, completed changes may undergo configuration audits and software quality verification. This includes ensuring that only approved changes have been made. The change request process described above will typically document the SCM (and other) approval information for the change.

The actual implementation of a change is supported by the library tool capabilities, which provide version management and code repository support. At a minimum, these tools provide check-in/out and associated version control capabilities. More powerful tools can support parallel development and geographically distributed environments. These tools may be manifested as separate specialized applications under the control of an independent SCM group. They may also appear as an integrated part of the software engineering environment. Finally, they may be as elementary as a rudimentary change control system provided with an operating system.

Deviations and waivers

The constraints imposed on a software engineering effort or the specifications produced during the development activities might contain provisions which cannot be satisfied at the designated point in the life cycle. A deviation is an authorization to depart from a provision prior to the development of the item. A waiver is an authorization to use an item, following its development, that departs from the provision in some way. In these cases, a formal process is used for gaining approval for deviations from, or waivers of, the provisions.

Software configuration status accounting

Software configuration status accounting (SCSA) is the recording and reporting of information needed for effective management of the software configuration.

Software configuration status information

The SCSA activity designs and operates a system for the capture and reporting of necessary information as the life cycle proceeds. As in any information system, the configuration status information to be managed for the evolving configurations must be identified, collected, and maintained. Various information and measurements are needed to support the SCM process and to meet the configuration status reporting needs of management, software engineering, and other related activities. The types of information available include the approved configuration identification, as well as the identification and current implementation status of changes, deviations, and waivers.

Questions & Answers

what is sowftware?
rana Reply
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majid
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Amissah
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Engr Reply
what is software?
Abdullahi Reply
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majid
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Abdullahi
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Abdullahi
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Abdullahi
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majid
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Eswar Reply
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Abdullahi
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Profneil Reply
The simplist model of software development paradigms all the phace of software development life cycle will functional one after another in linear manner. * When the phase is finish then only the second face will start.
udara Reply
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dawit
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Abdullahi
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Syed
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dawit
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Shantanu
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khan Reply
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YUSUF Reply
Coding is a type of a language that a computer understand..
HANAN
it's how a computer interprets software, programs and what to do when it reads the code. Code is like our sub-conscious but to a computer if that makes sense.
Dustin
hello, I don't know anything about software but I have this passion to learn. where do I start from pls
Oliver Reply
computer science class or just take a introduction to computers class. You can always try to find a mentor or self teach yourself as well.
Dustin
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diwakar
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Tom Reply
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Yogesh
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Mark
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Mark
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ha
Khizer
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Khizer
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Tom
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Peterson
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Xotambek
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Peterson
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Shey
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leo
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leo
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Khizer
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Purity
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Mark
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Peterson
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Khizer
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Shey
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NICCK-PAT
Great ,I am NICCk-PAT in Paris France.
NICCK-PAT
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Dustin
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Ahmad Reply
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Sameer
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Shankar Reply
a external device cable capable of transferring large amounts of data at high speed.
Dustin
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Shey
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HANAN Reply

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Source:  OpenStax, Software engineering. OpenStax CNX. Jul 29, 2009 Download for free at http://cnx.org/content/col10790/1.1
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