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A big bang adoption is a large scale change that occurs all at once. The term tends to be used in a negative sense that implies a high risk attempt at instantaneous change. Thinking BigIt is common for programs and projects to be conducted by gathering as many requirements as can be found, implementing and launching. This may be done without consideration of alternatives such as a series of far smaller releases. One of the reasons that this occurs is that attempts at prioritization become meaningless when business units rank all requirements as must-have.RisksComplexity tends to correlate with project failure. In theory, it is possible to develop a highly complex project and release it without problems but this is somewhat rare in the real world. The risks associated with complexity include user rejection, integration failures and data issues. For example, a system may be launched that doesn't reflect the realities of business processes, requiring workarounds that make the system unpopular with users.
AlternativesBig bang adoptions are necessary in some industries. It is difficult to build a bridge incrementally. Technology projects can often be built out incrementally with methods such as agile development. Another alternative is a parallel launch whereby existing infrastructure, facilities, products, services or systems remain available while changes are production hardened in a limited launch.|
Type | | Definition | Implementing large scale changes all at once. | Risk | Potentially represents a greater risk than incremental change. | Related Concepts | |
Project Management
This is the complete list of articles we have written about project management.
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A list of common project risks.
A list of basic project management techniques.
A definition of workaround with examples.
A list of project branding techniques.
An overview of project stakeholder management with examples.
A definition of action plan with examples.
The primary types of cost overrun.
The definition of document control with examples.
A guide to project oversight.
A definition of design driven development with examples.
A list of common project risks.
A list of common project stakeholders.
A list of common business risks.
The difference between a risk and an issue.
The five things that can be done about risk.
The definition of secondary risk with examples.
A guide to creating a risk register with an example.
A definition of risk perception with examples.
The common types of implementation.
A reasonably complete guide to project risk management.
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