What is the cloud?(Cont.) 5 TIME IT CAPACITY Actual Load Allocated IT-capacities Too Much Power Not...
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Transcript of What is the cloud?(Cont.) 5 TIME IT CAPACITY Actual Load Allocated IT-capacities Too Much Power Not...
What is the cloud?(Cont.)
What is the cloud?(Cont.)
5
TIME
IT C
AP
AC
ITY
Actual Load
Allocated IT-capacities
Too Much Power
Not Enough Power
Load Forecast
Why we need cloud?
Actual Load
Capacity on Demand
Lower Capex
No capital laying idle
No screaming customers
Knob goes up...
And...down
TIME
IT C
AP
AC
ITY
Load Forecast
Why we need cloud?
Usage
Com
pu
te
Time
Average
Inactivity
Period
Com
pu
te
Time
Average Usage
Average Usage
Com
pu
te
Time
Com
pu
te
Time
Average Usage
Software-as-a-Service
“SaaS”Platform-as-a-Service“PaaS”Infrastructure-as-a-Service
“IaaS”
Packaged Software
StorageStorage
ServersServers
NetworkingNetworking
O/SO/S
MiddlewareMiddleware
VirtualizationVirtualization
DataData
ApplicationsApplications
RuntimeRuntime
Infrastructure(as a Service)
StorageStorage
ServersServers
NetworkingNetworking
O/SO/S
MiddlewareMiddleware
VirtualizationVirtualization
DataData
ApplicationsApplications
RuntimeRuntime
Managed b
y
vend
or
Platform(as a Service)
Manag
ed b
y
vendor
StorageStorage
ServersServers
NetworkingNetworking
O/SO/S
MiddlewareMiddleware
VirtualizationVirtualization
ApplicationsApplications
RuntimeRuntime
DataData
Software(as a Service)
Managed b
y
vend
or
StorageStorage
ServersServers
NetworkingNetworking
O/SO/S
MiddlewareMiddleware
VirtualizationVirtualization
ApplicationsApplications
RuntimeRuntime
DataData
存储存储
服务器服务器
网络网络
操作系统操作系统
中间件中间件
虚拟化虚拟化
数据数据
应用应用
运行时组件运行时组件
IaaS
存储存储
服务器服务器
网络网络
操作系统操作系统
中间件中间件
虚拟化虚拟化
数据数据
应用应用
运行时组件运行时组件
云计算提供商负
责
客户负责
SaaS
云计算提供商负
责
存储存储
服务器服务器
网络网络
操作系统操作系统
中间件中间件
虚拟化虚拟化
应用应用
运行时组件运行时组件
数据数据
PaaS
云计算提供商负
责
存储存储
服务器服务器
网络网络
操作系统操作系统
中间件中间件
虚拟化虚拟化
应用应用
运行时组件运行时组件
数据数据
客户负责
The keyword: Virtualization.Providers of IaaS:
AmazonRackspaceServerPathVMWare
Amazon Web Services Infrastructure Services:Amazon Cloudwatch: AutoscalingAmazon Cloudfront: content delivery network (CDN)Amazon Route 53: highly available and scalable DNSAmazon Virtual Private Cloud (VPC) : secure bridges into on-premises computingElastic Load Balancing: distributing incoming application trafficSQS: Simple Queue Service for messagingSNS: Simple Notification Service for alerting
Mosso/The Rackspace Cloud Infrastructure Services:
Content Delivery Network (CDN)Simple Load Balancing using virtualized server to provide load balancing
GoGrid Infrastructure Services:Content Delivery Network (CDN) with a boasted 18 points of presence on 4 continentsF5 Hardware Load BalancingData Center specific provisioningAuto scaling with Vertical RAM Scaling and more features
VMware Infrastructure:
