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Cloud computing seminar

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  • 1. 1 CLOUD COMPUTING Common, Location-Independent, Online Utility On-Demand A. Aravindan Arun, Sr. System Admin Date: 11/01/2013
  • 2. 2 Agenda  Introduction  Evolution of Computing  Compare with Traditional Server  Compare with Virtualization Server  Cloud Computing Advantages / Benefits  Cloud Computing Types  Service Models  Summary
  • 3. 3 Evolution of Computing Client / Server - Distributed Web Services – Internet Technology Grid Computing – HPC Utility Computing – Metered Service Cloud Computing Next Generation Mainframe – Centralized
  • 4. 4 Introduction Cloud is Internet-based computing, whereby shared computing resources (e.g., networks, servers, storage, application and other services) that can be rapidly provisioned and released with minimal management effect.
  • 5. 5 The Traditional Server Concept Pros  Easy to conceptualize  Fairly easy to deploy  Easy to backup  Virtually any application/service can be run from this type of setup Cons  Expensive to acquire and maintain hardware  Not very scalable  Difficult to replicate  Redundancy is difficult to implement  Vulnerable to hardware outages  In many cases, processor is under-utilized
  • 6. 6 The Traditional Virtualization Concept Pros  Resource pooling  Highly redundant  Highly available  Rapidly deploy new servers  Easy to deploy  Reconfigurable while services are running  Optimizes physical resources by doing more with less Cons  Slightly harder to conceptualize  Slightly more costly (must buy hardware, OS, Apps, and so on...)  Difficult auto scaling
  • 7. 7 Technologies for Agility  Virtualization The ability to run multiple Operating System on single physical system and share the underlying hardware resources.  Utility Computing Offering computing resources as a metered service
  • 8. 8 Cloud Computing Framework
  • 9. 9 Cloud Computing Advantages  On Demand Services  Speed of Delivery  Cost / Benefit ratio  Software as a Subscription  Reduced Software Maintenance  Increased Scalability  Elastic Nature  User have full control over their instance
  • 10. 10 Benefits  Lower total cost operations (Pay-As-You-Go)  Save Infrastructure setup & Maintenance  Rapid, Request-driven provisioning  Easy monitoring, managing & reports  Storage and Retrieval of data  Uninterrupted and Persistent Data Storage  High Availability  Automated and even distribution of traffic  Flexible scaling of Resources
  • 11. 11 Cloud Computing Characterized Consumer Perspective  Single point of access - Self services with rich user experienced  Virtualization - Increased system utilizations  Automation - Automated service request and fulfillment  Agility - Rapid Services provisioning  Flexibility - Massive scaling of IT services as needed  Usage Account - Utility based usage metrics  Service Management - Modular services managed access Infra/Platforms/application/business stacks  Security - Shared services delivered across trusted domains  Cost Efficiency - Reduced CapEx with minimal to no asset ownership
  • 12. 12 Cloud Computing Types  Public Cloud  Private Cloud  Hybrid Cloud
  • 13. 13 Public Cloud  Infrastructure provisioned on-demand using publicly available resources.  Computing resources are provided to customers through self-serve interface.  Scalable computing resource on a temporary or periodic basis.  Ability to acquire access to highly-quality pools of resources immediately and with minimal capital investment.
  • 14. 14 Public Cloud Benefits  Reduce Infrastructre cost and maintain cost  Rapidly increase on-demand services, storage capacity and other need  Public cloud available anywhere, anytime  Scalable to meet individal or company needs  High redundancy and available
  • 15. 15 Private Cloud  Private cloud avail within the corporate firewall using their own hardware.  Flexible to organization needs.  The Cloud architecture is dedicated to the organization and is not shared with other organization.
  • 16. 16 Private Cloud Benefits  Data will be safe and secure  Scalable Bandwidth Access  Suitable and highly support SLA  Reliability
  • 17. 17 Hybrid Cloud  Hybrid Cloud = Private Cloud + Public Cloud  Private cloud can extends their boundaries to access additional computing resources in the public cloud using secure communication (VPN).
  • 18. 18 Hybrid Cloud Benefits  Flexible computing resources  Continued reduction of cost expenses  Improved resource utilization and more efficient system
  • 19. 19 Community Cloud  A Cloud infrastructure that is shared by several organizations  Often delivered securely via private network.  Ability to bill the organization separately.  Shared SLA's
  • 20. 20 Service Delivery Models  Infrastructure as a Service (IaaS)  Platform as a Service (PaaS)  Software as a Service (Iaas)
  • 21. 21 Service Delivery Models Source: Cloud Computing Use Cases, a white paper produced by the Cloud Computing Use Case Discussion Group, Version 2.0, 30 October 2009
  • 22. 22 Services Delivery Models  Infrastructure as a Service (IaaS) Consumer can utilize “Fundamental Computing Resources” such as Processing Unit, Storage, Networking and Operating System. Consumer can control the operating system, Storage, Application.
  • 23. 23 IaaS Benefits  Low IT Capital Investment and on-going operation Cost  Shorter delivery time and Fully scalable  Higher Level of Value-added services  Reduces Maintenance, Monitoring and Management cost  Easy to Manage
  • 24. 24 Services Categories  Platform as a Service (PaaS) – Allows users to create their own cloud based application using provider specific API's and/or libraries.
  • 25. 25 PaaS Benefits  Low Infrastructure & Lower Risk  Lightweight development IDE  Easy and quick deployment  Reusable code and business logic  Integration with other web services  Centralized information management  Secured and customized access  Easy Collaboration
  • 26. 26 Services Categories  Software as a Service (SaaS) – Consumers purchase the ability to access and use an application or service that is hosted in the cloud.
  • 27. 27 SaaS Benefits  Shorter deployment time  Global Availability  Easier upgrades  Lower Initial costs  High Adoption
  • 28. 28 Cloud Security Claims Based Authentication A trusted authority (Issuer) issues a signed security Token containing a set of claims (credentials) which is given to the application for validation. The application will authenticate the user if the security token is valid and signed by a trusted issuer
  • 29. 29 Cloud of the future is an ecosystem Source: Cloud Computing Use Cases, a white paper produced by the Cloud Computing Use Case Discussion Group, Version 2.0, 30 October 2009
  • 30. 30 Benefits & Summary  Reduced Costs  Easy to take snapshot – Storage, Instance  Highly Automation  Flexibility  More Mobility  Management Automation  Lower Maintenance Cost  Deploy Project Faster  Scale as needed  Location independent

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