6 Confidential
虚拟化技术普及之前的IT状况
Server Sprawl
36M physical x86 servers by
20111— a ten-fold increase
over 15 years
$140 bn in excess server
capacity - a 3-year supply
Power & Cooling
$1 for every $1 spent on
servers
$29 bn in power and
cooling industry wide
Operating Costs
$8 in maintenance for
every $1 spent on new
infrastructure
20-30 : 1 server-to-admin
ratio
Space Crunch Costs
$1,000 / sq ft
$2,400 / server
$40,000 / rack
1. IDC, U.S. and Worldwide Server Installed Base 2007–2011 Forecast, Doc #207044, May 2007
2. IDC, Virtualization And Multicore Innovations Disrupt The Worldwide Server Market, Doc #206035, March 2007
3. Source: VMware
10 Confidential
VMware
虚拟化技术的特性和技术价值
Partitioning
Run multiple operating systems on one physical machine
Divide system resources between virtual machines
Isolation
Fault and security isolation at the hardware level
Advanced resource controls preserve performance
封装
每个虚机被封装为文件
移动和复制虚机如同移动和复制文件一样
简单
11 Confidential
VMware
虚拟化技术的特性和技术价值
Encapsulation
Entire state of the virtual machine can be saved to files
Move and copy virtual machines as easily as moving and copying files
Partitioning
Run multiple operating systems on one physical machine
Divide system resources between virtual machines
Isolation
Fault and security isolation at the hardware level
Advanced resource controls preserve performance
硬件独立性
虚机可以在异构硬件安装和移动
12 Confidential
OS
Exchange
Operating System
Virtualization
OS
SAP ERP
Operating System
Virtualization
OS
File/Print
Operating System
Virtualization
OS
Oracle CRM
Operating System
Virtualization
虚机架构
Interconnect
Pool
CPU
Pool
Memory
Pool
Storage
Pool
传统方式 虚机架构
抽象+池化 = 降低复杂性
13 Confidential
Distributed Resource
Scheduler (DRS)
Distributed Power
Management (DPM)
vMotion (VM and
Storage)
vNetwork Distributed
Switch
vShield Zones
抽象+池化 = 降低复杂性
Oracle CRM
Operating System
SAP ERP
Operating System
File/Print
Operating System
Exchange
Operating System Virtual Infrastructure
Interconnect
Pool
CPU
Pool
Memory
Pool
Storage
Pool