Greenfield
in other disciplines like software engineering, a greenfield is also a project which lacks any constraints imposed by prior work. The analogy is to that of construction on greenfield land where there is no need to remodel or demolish an existing structure.
(from http://en.wikipedia.org/wiki/Greenfield_project)
Brownfield
Brownfield development is a term commonly used in the IT industry to describe problem spaces needing the development and deployment of new software systems in the immediate presence of existing (legacy) software applications/systems. This implies that any new software architecture must take into account and coexist with live software already in situ.
(from http://en.wikipedia.org/wiki/Brownfield_(software_development))
in other disciplines like software engineering, a greenfield is also a project which lacks any constraints imposed by prior work. The analogy is to that of construction on greenfield land where there is no need to remodel or demolish an existing structure.
(from http://en.wikipedia.org/wiki/Greenfield_project)
Brownfield
Brownfield development is a term commonly used in the IT industry to describe problem spaces needing the development and deployment of new software systems in the immediate presence of existing (legacy) software applications/systems. This implies that any new software architecture must take into account and coexist with live software already in situ.
(from http://en.wikipedia.org/wiki/Brownfield_(software_development))
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