Introduction to Dynamic Reconfiguration and Capacity on Demand for Sun SPARC Enterprise Servers 
by Nick Kloski
April, 2007
Dynamic Domains, Dynamic Reconfiguration (DR), and Capacity on Demand (COD) provide technology that lets organizations effectively manage server resources in a highly available and cost-effective fashion. Sun SPARC Enterprise servers provide enhancements over previous-generation implementations of these technologies, building upon over 10 years of experience with Dynamic Reconfiguration. These enhancements give organizations more flexibility in the granularity of components available for Dynamic Reconfiguration, while adding new options to the process. This article discusses updates to these important technologies as they apply to Sun's newly announced SPARC Enterprise Server products, including an overview of the eXtended System Board (XSB), descriptions of the different ways that it can be configured specific new capabilities of DR, and enhancements to Capacity on Demand (COD).
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