Difference between green field and brown field implementation

Question

Accepted Answer

Greenfield is starting a new project from scratch, while brownfield is modifying an existing project.

Greenfield implementation involves building a new system or project from the ground up.
Brownfield implementation involves making changes or enhancements to an existing system or project.
Greenfield projects are typically faster to implement as there are no existing constraints or legacy systems to consider.
Brownfield projects may require more time and effort to integrate with existing systems and processes.
Examples: Greenfield - Implementing a new SAP system for a company that has never used SAP before. Brownfield - Upgrading an existing SAP system to a newer version.

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