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Earned value management (EVM) has long been used by organizations to plan, monitor, and control the development and evolution of custom developed systems. EVM was developed for managing such projects, and assumes a waterfall development model. COTS-based systems (CBS), on the other hand, are formed and evolved through the selection and composition of pre-existing, off-the-shelf packages or components...
Commercial-off-the-shelf (COTS1)-based systems demand new indicators for determining a project’s progress and it’s potential for success. Research by the COTS-based system (CBS2) Initiative at the Software Engineering Institute (SEI) has shown that organizations building, acquiring, or supporting systems that rely on COTS products experience a consistent set, or pattern, of problems. These patterns...
With increasing pressure to remain competitive in their respective markets, many commercial companies are turning to a greater use of COTS products to provide more capability faster to their end-users. Early attempts to leverage COTS products using existing waterfall-oriented development approaches have met with many failures. As a result, organizations are searching for more viable alternatives....
Using commercial off-the-shelf (COTS) products to meet the needs of business or operational applications is an increasing trend. Practical experience is showing that building systems using COTS products requires new skills and different processes. Practitioners are finding that building and supporting COTS-based systems demands more, not less, management and engineering discipline. Many organizations...
Government and private organizations are escalating their use of commercial off-the-shelf (COTS) products in critical business systems. These organizations find that the traditional development approach rarely works; that is, the process of defining requirements, formulating an architecture, and then trying to find COTS products to meet the specified requirements within the defined architecture. We...
The transition from systems that provide a pre-defined product to ongoing relationships that focus on supporting dynamically changing customer needs over time is moving suppliers from a product-delivery mode to one in which through-life capability management is expected. Appropriately modeling both supply and demand provides participants in this context with a richer understanding of risks and risk...
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