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Reliability, Maintainability, and Supportability of COTS
Design & Technology
Pages 11 (2761 words)
Reliability, Maintainability, and Supportability of COTS Commercially off the shelf (COTS) is a term which defines a none developmental item (NDI) that is both sold in substantial quantities and commercial in the market place. It can be utilized or procured under contracts done by the government in the same mode as it is accessible to the public.
The use of COTS is wide spread across many business and governmental programs; this is because these products offer significant savings in maintenance, procurement and development. The motivation behind the usage of COTS a component includes reduced maintenance cost in the long run and hopes that the overall system cost and development, this is because components can be licensed or bought instead of developing them. COTS were considered remedies for intractable problems during the 1990s. COTS development came into being with tradeoffs which were not so obvious. An example been initial and development cost and time which not so much a problem can be reduced but at the expense of another. Such as depending on a third party who is to lease components and increase in the integration of software component works. Software specifications are encrypted externally so government agencies view that in the long run when changes are done to the product compatibility will be a hindrance (McKinney 23). COTS reliability can be verified using an analysis and reliability estimation technique applicable to high level designs. The technique is known as Scenario-Based Reliability Estimation (SBRE). SBRE is specific for COTS whose analysis is purely based on executable scenarios. ...
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