1. Virtualization Technology
Steven Shen 2010/09/29
Squall Liao 2010/09/29

2. Agenda
Cloud Computing
3. Cloud Computing
What is Cloud Computing?
4. Cloud Computing
Cloud computingisInternet-basedcomputing, whereby shared resources, software, and information are provided to computersand other devices on demand, like theelectricity grid.
5. Cloud Computing Types
6. What is Public Cloud?
Public Cloud (external Cloud)
Public cloudorexternal clouddescribes cloud computing in the traditional mainstream sense, whereby resources are dynamically provisioned on a fine-grained, self-service basis over the Internet, viaweb applications/web services, from an off-site third-party provider who bills on a fine-grainedutility computingbasis.
7. What is Private Cloud?
Private Cloud (Internal Cloud or Corporate Cloud)
Private Cloud is a marketing term for a proprietary computing architecture that provides hosted services to a limited number of people behind a firewall.
Advances in virtualization and distributed computing have allowed corporate network and datacenter administrators to effectively become service providers that meet the needs of their "customers" within the corporation.
8. What is Hybrid Cloud?
Ahybrid cloudenvironment consisting of multiple internal and/or external providers"will be typical for most enterprises".By integrating multiple cloud services users may be able to ease the transition topublic cloudservices while avoiding issues such asPCI compliance.
Another perspective on deploying a web application in the cloud is using Hybrid Web Hosting, where the hosting infrastructure is a mix betweenCloud Hostingfor the web server, andManaged dedicated serverfor the database server.
9. Cloud Computing Architecture
Clients
Application
(User Interface, Machine Interface)
Software as a Service, SaaS
Platform
(Components, Services)
Platform as a Service, PaaS
Infrastructure
(Compute, Network, Storage)
Infratructure as a Service, IaaS
Servers
10. Software as a Service
SaaS
11. Platform as a Service
PaaS
12. Infrastructure as a Service
IaaS
13. Q & A
14. Thank You!!
Squall Liao
2010/09/01