Cisco Unified Computing System Extended Memory Technology Overview

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Executive Summary

The processor, memory, and I/O are three of the most important subsystems in a server. All are critical to a server's workload performance and reliability. At any given point, one of these subsystems tends to become a performance bottleneck. When an application is described as CPU, memory, or I/O bound, that subsystem is likely to create a bottleneck for that application. Memory is central to support for large corporate databases, virtualization, online transaction processing, and business resilience for important line-of-business applications such as Enterprise Resource Planning (ERP) and Customer Relationship Management (CRM). Therefore, the amount of system memory available has a significant effect on overall system performance. The reliability and performance of the operating system, mission-critical applications, and data are intrinsically tied to memory capacity.

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