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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