VMware vSphere* 4.1 Installation Guide for ESX*
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Intel® Virtualization Technology for Directed I/O (Intel® VT-d) helps speed data movement and
eliminates much of the performance overhead by giving designated VMs their own dedicated I/O
devices, reducing the overhead of the VM migration in managing I/O traffic.
Application performance is critical for day-to-day business operations, as well as creating new products and
reaching new customers. But many data centers are now at capacity, and new data centers are expensive
to build. By refreshing data center infrastructure with more efficient servers, additional performance and
scalability can be delivered within the same energy and space footprint. The Intel® Xeon® processor 5600
series brings intelligent performance to the most trusted server architecture. The Intel® Xeon® processor
5600 series is the world’s most adaptable server platform, adjusting performance and power usage in real
time to meet the exact requirements of computing workloads, while allowing manual adjustment for IT
control. The Intel® Xeon® processor 5600 series brings together a number of innovative technologies to
deliver intelligent performance:
Intel® Turbo Boost Technology, together with Intel® Intelligent Power Technology, delivers
performance on demand, letting processors operate above the rated frequency to speed specific
workloads and reduce power consumption during low utilization periods.
Intel® Hyper-Threading Technology benefits from larger caches and massive memory bandwidth,
delivering greater throughput and responsiveness for multi-threaded applications.
Intel® QuickPath Technology and an integrated memory controller speed traffic between processors
and I/O controllers for bandwidth-intensive applications, delivering up to 3.5 times the bandwidth for
technical computing.
Intel® Trusted Execution Technology (TXT) for safer computing is a versatile set of hardware
extensions to enhance the platform security capabilities. The Intel® Trusted Execution Technology
requires a TPM module on the server platform. Refer to the Intel® Server Boards Product Page at
http://www.intel.com/products/server/motherboard/index.htm#s1=all&s2=S5520HC&s3=all to see
which Intel® Server Boards support Intel® TXT.
Trusted Platform Module (TPM) is a hardware-based security device that addresses the growing
concern on boot process integrity and offers better data protection. TPM protects the system start-up
process by ensuring it is tamper-free before releasing system control to the operating system. A TPM
device provides secured storage to store data, such as security keys and passwords. In addition, a TPM
device has encryption and hash functions. A pre-boot environment, such as the BIOS and operating
system loader, uses the TPM to collect and store unique measurements from multiple factors within the
boot process to create a system fingerprint. This unique fingerprint remains the same unless the pre-
boot environment is tampered with. Therefore, it is used to compare to future measurements to verify
the integrity of the boot process. Refer to the Intel® Server Boards Product Page at
http://www.intel.com/products/server/motherboard/index.htm#s1=all&s2=S5520HC&s3=all to see
which Intel® Server Boards support Intel® TXT.
Intel® Advanced Encryption Standard (AES) - These instructions enable fast and secure data
encryption and decryption, using the Advanced Encryption Standard (AES)
The breakthrough performance, energy efficiency and reliability of the new Intel® Xeon® processor-based
systems make them the best choice for virtualization and business critical applications, enabling IT to
become more efficient and responsive. For information on virtualization performance, refer to the Intel®
website for more information.
The Intel® Xeon® processor 3400 Series provides a lower-cost solution for virtualization solutions. The
processor provides an entry-level cost point for customers deploying small business virtualization solutions.
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