Cloud service models
- 2. CLOUD COMPUTING Cloud computing is a model for enabling ubiquitous, convenient, on-demand netwo
- 4. THREE CLOUD SERVICE MODELS Infrastructure as a Service (IaaS) The infrastructure cloud provides storage and compute resources as a service which can be used by developers and IT organizations to delive Basic characteristics of IaaS: • Resources distributed as a service • Dynamic, on-demand scaling of resources • Utility based pricing model • Concurrent users on a single piece of hardware
- 5. Platform as a Service (PaaS) Platform as a Service (PaaS) Next level up in the pyramid is Platform cloud. PaaS delivers development/operating environments • Single environment to develop, test, deploy, host and maintain applications • Web based UI designing tools to create, modify, test and deploy different UI scenarios • Multi-tenant architecture facilitating concurrent users • Load balancing, security and failover capabilities for application to be deployed • OS and Cloud programming APIs to create new apps for cloud or to cloudify the current apps • Tools to handle billing and subscription
- 6. Software as a Service (SaaS) Top most layer of pyramid is functional layer or SaaS layer. This type of cloud delivers a single application through the browser • Centralized web based access to company and commercial software • Entire business process shifting to cloud giving superior services to client • No hassle of software upgrades and patches as they are managed by Service provider • Application Programming Interfaces (APIs) allow integration with different applications
- 7. ARCHITECTURE
- 8. EXAMPLE
- 9. WHO PROVIDES CLOUD SERVICES
- 11. IBM EXAMPLE
- 12. IBM EXAMPLE
- 13. WHO/HOW USES THESE CLOUD SERVICES
- 14. WHO IS DEVOPS ?
- 15. DIFFERENT USERS
- 16. VISIBILITY
- 17. WHO LEADS THE MARKET ?