bannera

Book A.
Introduction

Book B.
7150 Requirements Guidance

Book C.
Topics

Tools,
References, & Terms

SPAN
(NASA Only)

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The following quotes from this NPR version appear in the SWEs and Topics of SWEHBVD

Modified Off-the-Shelf Software (MOTS).
"When COTS or legacy and heritage software is reused, or heritage software is changed, the product is considered "modified." The changes can include all or part of the software products and may involve additions, deletions, and specific alterations. An argument can be made that any alterations to the code and design of an off-the-shelf software component constitute "modification," but the common usage allows for some percentage (less than 5 percent of the code changes) of change before the off-the-shelf software is declared to be modified off-the-shelf (MOTS) software. Modified Off-the-Shelf Software may include the changes to the application shell or glueware to add or protect against certain features and not to the off-the-shelf software system code directly."

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