Cloud
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Cloud computing combines various models, including SaaS, PaaS, and IaaS, to provide scalable, on-demand access to shared resources and services over the internet. Organizations must adapt to evolving market needs by considering private, public, and hybrid cloud environments while addressing challenges like security, scalability, and cost-effectiveness. Successful implementation requires careful planning and a strategic alignment with business objectives to maximize benefits and ensure compliance.
Cloud
- 1. Cloud
- 2. Cloud Computing – Simple Definition Cloud Computing = Software as a Service + Platform as a Service (PaaS) + Infrastructure as a Service (IaaS) + Software as a Service (SaaS) + Desktop as a Service (DaaS) Cloud computing is Internet-based computing, whereby shared resources, software and information are provided to computers and other devices on-demand. The cloud computing is a culmination of numerous attempts at large scale computing with seamless access to virtually limitless resources. on-demand computing, utility computing, autonomic computing, platform computing, edge computing, elastic computing, grid computing, …
- 3. Adapting to Market: Datacenter Evolution Traditional Virtualized Private Datacenter Datacenter Cloud Public Cloud
- 4. Private Cloud Rationale for Private Cloud: Security and privacy of business data was a big concern Potential for vendor lock-in SLA’s required for real-time performance and reliability Cost savings of the shared model achieved because of the multiple projects involving semantic technologies that the company is actively developing
- 5. Cloud Computing for the Enterprise What should IT Do Revise cost model to utility-based computing: CPU/hour, GB/day etc. Include hidden costs for management, training Different cloud models for different applications – evaluate Use for prototyping applications and learn Link it to current strategic plans for Services-Oriented Architecture, Disaster Recovery, etc.
- 7. Challenges Alignment with the needs of the business / user / non-computer specialists / community and society Need to address the scalability issue: large scale data, high performance computing, automation, response time, rapid prototyping, and rapid time to production Need to effectively address (i) ever shortening cycle of obsolescence, (ii) heterogeneity and (iii) rapid changes in requirements Transform data from diverse sources into intelligence and deliver intelligence to right people/user/systems What about providing all this in a cost-effective manner?
- 8. What is Software as a Service? (SaaS) SaaS is a software delivery methodology that provides licensed multi-tenant access to software and its functions remotely as a Webbased service. Usually billed based on usage Usually multi tenant environment Highly scalable architecture
- 9. Infrastructure as a Service (IaaS) IaaS is the delivery of technology infrastructure as an on demand scalable service Usually billed based on usage Usually multi tenant virtualized environment Can be coupled with Managed Services for OS and application support
- 10. Platform as a Service (PaaS) PaaS provides all of the facilities required to support the complete life cycle of building and delivering web applications and services entirely from the Internet. Typically applications must be developed with a particular platform in mind Multi tenant environments Highly scalable multi tier architecture
- 11. Deployment Models Public cloud Public cloud (off-site and remote) describes cloud computing where resources are dynamically provisioned on an on-demand, self-service basis over the Internet, via web applications/web services, open API, from a third-party provider who bills on a utility computing basis. Private cloud A private cloud environment is often the first step for a corporation prior to adopting a public cloud initiative. Corporations have discovered the benefits of consolidating shared services on virtualized hardware deployed from a primary datacenter to serve local and remote users. Hybrid cloud A hybrid cloud environment consists of some portion of computing resources on-site (on premise) and off-site (public cloud). By integrating public cloud services, users can leverage cloud solutions for specific functions that are too costly to maintain on-premise such as virtual server disaster recovery, backups and test/development environments. Community cloud A community cloud is formed when several organizations with similar requirements share common infrastructure. Costs are spread over fewer users than a public cloud but more than a single tenant.
- 12. Conclusion Cloud Computing is outpacing the IT industry Real business value can be realized by customers of all sizes Cloud solutions are simple to acquire, don’t require long term contracts and are easier to scale up and down as needed Proper planning and migration services are needed to ensure a successful implementation Public and Private Clouds can be deployed together to leverage the best of both Third party monitoring services ensure customer are getting the most out of their cloud environment Security Compliance and Monitoring is achievable with careful planning and analysis