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Cloud Computing
- 1. Page 1Classification: Restricted BusinessAnalysis Training Cloud Computing
- 2. Page 2Classification: Restricted Agenda •What is Cloud Computing • Why Cloud Computing • Inside a Cloud • Understanding IaaS, PaaS & SaaS • Public vs. Private Cloud • Cloud Providers – A Birds Eye View • Amazon EC2 – A Detailed Insight • Google App Engine – An Overview • Cloud Success Stories • Challenges, Risks and Concerns • Torry Harris Cloud Service Offerings • Concluding Thoughts
- 3. Page 3Classification: Restricted Whatis Cloud Computing The Problem Statement Scalability of Enterprise Applications – An Issue Success Disaster – Failure due to un-planned demand Increasing Capital Investment on IT Infrastructure The Solution Cloud Computing iPhone Launch Festival Season Sports Event
- 4. Page 4Classification: Restricted Whatis Cloud Computing? “A pool of abstracted, highly scalable, and managed compute infrastructure capable of hosting end-customer applications and billed by consumption” Internet Where does the term “Cloud” come from ? “Cloud” is widely used as a metaphor for the Internet Internet is the foundation of Cloud computing Definition In Simple Terms, Cloud offers… Pay-per-use for computation power Virtually infinite computation resources Automatic on-demand scalability
- 5. Page 5Classification: Restricted Whatis Cloud Computing? An Analogy - Electricity “Computation Power” is now available like Electricity You pay for what you use. You rely on a trusted third-party providers Grid computing is a collection of servers that are clustered together to attack a single problem. For a period of time, the entire resources of the grid are available to an user to tackle a particularly difficult compute problem. - Rich Wolski, University of California Grid Computing Utility Computing Metered use of computational resources Origin from utility services (Electricity) Variants
- 6. Page 6Classification: Restricted WhyCloud Computing? Eliminates capacity planning and sizing Prevents ‘success disaster’ Eliminates scalability issues and risk of failure Savings on Capital Investment Savings on Data Center Space, Power and Cooling Minimizes Operational costs Reduces TCO Reduces Risks Re-invest saved Capex on new initiatives Focus on business, not on infrastructure Save on operations manpower Better Budget Utilization Quicker Time to Market Create dev and test environments on the fly Rely on speed & stability of the Cloud provider Remain Competitive
- 7. Page 7Classification: Restricted Insidea Cloud Virtualized CPUs and Storage Physical Servers across the Globe Software Platform The Cloud Platform Software as a Service (SaaS) Platform as a Service (PaaS) Infrastructure as a Service (IaaS) Virtual Servers Virtual Storage Network Routers Java Runtime Web 2.0 Runtime LAMP / WAMP Corporate Email Business Processes CRM, ERP, HR Physical Servers
- 8. Page 8Classification: Restricted CloudProviders – A Birds Eye View Infrastructure as a Service Platform as a Service Software as a Service
- 9. Page 9Classification: Restricted Insidea Cloud The Cloud Platform Metering, Billing and Rating System Identity Management Self Service Portal Dynamic Provisioning Engine Monitoring and Management Network of Physical Servers controlled by the Cloud Operating System Security Subsystem Cloud Applications The ‘Nuts and Bolts’ of a Public Cloud Facilitates Pay-per- use Enforces Security Statistics, Deployment, Start/Stop Replicates Application on demand Registration, Authentication and Authorization The heart of the “Cloud” The face of the Cloud Virtualized Runtime Environment (Infrastructure & Platform)
- 10. Page 10Classification: Restricted Publicvs. Private Cloud Cloud Choices Exclusive environment Limited on-demand capabilities Private Cloud On-demand resources, scalability Shared environment Public Cloud Requires Initial Capital Investment Cloud setup within Org’s data center Control on security and audit Based on basic virtualization Limited on-demand scaling On-Premise Private Cloud Exclusive, but hosted by a third party Limited on-demand scaling Expensive than public cloud Cheaper than on-premise private cloud Possibility of co-location Externally Hosted Private Cloud Hybrid Cloud Public + Private cloud
- 11. Page 11Classification: Restricted AmazonEC2 – A Detailed Insight Create a virtual server instance Concept of AMI – Amazon Machine Image Choose your operating system and/or s/w SSH and SFTP to your virtual server Web Service interface for admin tasks EC2 – Elastic Compute Cloud S3 – Simple Storage Service File System Storage of Arbitrary Data Each file can be 5 GB Secure storage with ACLs Used by SmugMug Photo Service Message Queue Infrastructure Reliable delivery` SQS – Simple Queue Service Core Database Functions Fast Indexing, Querying and retrieval Simple DB Infrastructure for data-intensive tasks Web indexing, data mining, log file analysis Elastic Map Reduce Infrastructure for content delivery Based on closest geographical location Elastic Cloud Front
- 12. Page 12Classification: Restricted AmazonEC2 – AMI in Action Screenshot showing a SSH root session Out-of-the-box Liferay AMI as PaaS Liferay AMI Instance
- 13. Page 13Classification: Restricted GoogleApp Engine – An Overview • Cloud computing – Only PaaS & SaaS, No IaaS • Initially started with Python Runtime • Recently added support for Java • Can deploy standard J2EE WAR Files • Requires a special deployment descriptor • Provides simple storage as integrated feature • Storage supports GQL – Google Query Language
- 14. Page 14Classification: Restricted Challenges,Risks and Concerns Biggest Concern – Data Security Fear of Rigidity and Vendor Lock-in Control, Auditing and Compliance Lack of Transparency Multi-tenancy Architecture SLAs, High Availability, etc Hidden charges – Setup, Exit, etc Cloud Adoption Road blocks
- 15. Page 15Classification: Restricted Addressingthe Challenges Clouds are SOX, PCI DSS, HIPAA compliant Cloud Security Alliance – Best Practices OWASP WebScarab Project Negotiate contract with the provider SLAs and penalty clauses Breaking the Road blocks
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