Background Reduction or elimination of inappropriate, ineffective, or potentially harmful
healthcare services and public health programs can help to ensure limited resources are …

This paper provides a comprehensive literature review on the problem of obsolescence in
“sustainment-dominated systems” that require support for many decades. Research on this …

Purpose Economic factors, market dynamics, and safety issues are largely responsible for
decisions to withdraw pharmaceutical products from the market. In this study, new molecular …

A fundamental challenge for system engineers is to capture a problem with an effective
model or framework and then facilitate transferring the information of that captured problem …

Many systems that are required to be manufactured and supported for long time periods lack
control over critical portions of their supply chains; these systems include: military, avionics …

Obsolescence occurs when system elements become outdated, and it leads to operational,
logistical, reliability, and cost implications. In the US military, this problem is a result of the …

CONTEXT: Coping with rapid requirements change is crucial for staying competitive in the
software business. Frequently changing customer needs and fierce competition are typical …

In view of the literature to date as well as anecdotal conversations with practitioners and
consultants in various sectors of the built environment industry, it is observed that the term …

Costs to replace obsolete parts are estimated to exceed $10 billion annually for military
expenditures. 1 Other industries experience high costs related to obsolete parts as well. 2–5 …

The technology roadmapping field has evolved over time from the first and second
generation technology roadmaps to the current third generation roadmaps. As a strategy …