Cisco Unified Computing System (UCS) (Data Center): A Complete Reference Guide to the Cisco Data Center Virtualization Server Architecture

Contents

Preface

Nomenclature

Chapter 1. Introduction

Data Center Challenges

Environmental Concerns—“Green”

Server Consolidation

Virtualization

Real Estate Power and Cooling

Cabling

Disaster Recovery

Network Virtualization

Desktop Virtualization

Cloud Computing

Evolution of Data Centers

Stand-Alone Servers

Scale-Up

Scale-Out

Scale-Up vs. Scale-Out

Rack-Optimized Servers

Blade Servers

Server Sprawl

Virtualization

Server Deployment Today

Unified Computing System (UCS)

Chapter 2. Server Architectures

The Processor Evolution

Sockets

Cores

Threads

Intel^® Hyper-Threading Technology

Front-Side Bus

Dual Independent Buses

Dedicated High-Speed Interconnect

Intel^® QuickPath Interconnect

The Memory Subsystem

SRAMs

DRAMs

SDRAMs

DIMMs

ECC and Chipkill^®