Download - Www.epic.ca CLOUD COMPUTING For Beginners
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CLOUD COMPUTINGFor Beginners
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Widely Misunderstood
June 2009 study 41% of Senior IT Professionals don’t know
what cloud computing is! 2/3 of senior finance professionals are
confused by the concept!
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CIO Priority
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DefinitionCloud Computing is a general term for anything that involves delivering hosted services over the Internet.
Cloud Computing is Internet-based computing, whereby shared resources, software and information are provided to computers and other devices on-demand, like a public utility.
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Same old thing…new name?
ASP > SaaS > Cloud Computing Some new technologies
– Platforms– Infrastructure– Management and Deployment
New delivery and sales models– Subscription
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3 Categories
Infrastructure-as-a-Service (IaaS)– Provider provide servers, storage, management
Platform-as-a-Service (PaaS)– Set of software & development tools
Software-as-a-Service (SaaS)– Access to software via front-end portal
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Types of Clouds
Public Cloud– Services sold to anyone on the network
Private Cloud– Proprietary network and data centre– Services limited number of organizations
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Why Use the Cloud? Cost Savings Reduction in IT Staff Increased availability Device & Location Independence Moves capital expense to operating expense Scalable and On-Demand Low Entry Point
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Why Move to Cloud?
Traditional IT (DataCenter)
Cloud based
serviceSAAS
Highly Integrated,
Secure Apps
StandaloneFunctions.
Highly scalable
Consulting help needed
Cloud
DataCenter
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IT is ComplexBusiness Continuity
Backup
Storage
IT Management
Unix
Web Design
Voice
SecurityNetworking
Development
Desktops
DBACitrix
Exchange
Active Directory
ERP Analysis
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IT Domain
Internet Domain
Waves of Innovation in IT
IBM
Internet
Microsoft
YahooJava
Mainframe
IT
PCClient Server
IT +Developers
The browser Internet
WebDevelopers
Consumers
eBayGoogleAmazonWeb 2.0
Developers
WebServicesSOA
SalesForceOpen Source
Cloud Computing
Enterprises
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Challenges with the Cloud Security Privacy Location of Data Legality & Liability Disaster Recovery Service Level Agreement (SLA) Ability to customize Back to Premise and Provider Change
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Examples Hosted Microsoft Exchange Google Apps Salesforce.com Managed VoIP Remote Backup Snapfish Magcloud.com Force.com
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Pricing
Subscription License – typically named user Charges for storage and bandwidth Setup charges Data Migration Copy of Backup Training