Cloud Services
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Cloud Services

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Cloud Services Cloud Services Presentation Transcript

  • CLOUD SERVICES by DK
  • What is Cloud Computing? “.. a broad array of web-based services aimed at allowing users to obtain a wide range of functional capabilities on a „pay-as-you-go‟ basis that previously required tremendous hardware/software investments and professional skills to acquire.”
  • Most well-known “clouds” Google private cloud that it uses for delivering many different services to its users, including email access (Gmail), document applications (G.Docs), text translations (G.Translator), maps (G.Maps), web analytics (G. Analytics). Microsoft Sharepoint online service allows for content and business intelligence tools to be moved into the cloud, and Microsoft currently makes its office applications available in a cloud (Office 365 service).
  • Five Key Cloud Attributes      Shared / pooled resources Broad network access On-demand self-service Scalable and elastic Managed metering
  • Key Attributes: Shared / Pooled Resources Resources are drawn from a common pool Common resources build economies of scale Common infrastructure runs at high efficiency Common private cloud infrastructure and different layers that must be covered during the construction phase.
  • Key Attributes: Broad Network Access Open standards and APIs Almost always IP, HTTP, and REST Available from anywhere with an internet connection Netflix (US largest video rental service provider) API infrastructure operating almost completely in the Amazon Cloud
  • Key Attributes: On-Demand Self-Service Completely automated Users abstracted from the implementation Near real-time delivery (seconds or minutes) Services accessed through a self-serve web interface Sample on-demand cloud service advertisement
  • Key Attributes: Scalable and Elastic Resources dynamically-allocated between users Additional resources dynamically-released when needed Fully automated
  • Key Attributes: Managed Metering Services are metered, like a utility Users pay only for services used Services can be cancelled at any time
  • Three Service Delivery Models • Virtual Machines IaaS: Infrastructure as a Service Consumer can provision computing resources within provider's infrastructure upon which they can deploy and run arbitrary software, including OS and applications PaaS: Platform as Service Consumer can create custom applications using programming tools supported by the provider and deploy them onto the provider's cloud infrastructure SaaS: Software as Service • Virtual Networks IaaS • Auto Elastic • Continuous Integration PaaS • Built for Cloud • Uses PaaS Consumer uses provider‟s applications running on provider's cloud infrastructure SaaS
  • Cloud Computing Layers
  • Deployment Models  Private Cloud — The cloud managed by a specific organization.  Community Cloud — The cloud infrastructure is shared among a number of organizations with similar interests and requirements, such as science laboratories, universities, etc.  Public Cloud — The cloud infrastructure is available to the public on a commercial basis by a cloud service provider.
  • Deployment Models  Hybrid Cloud — The cloud infrastructure consists of a number of clouds of any type, but the clouds have the ability through their interfaces to allow data and/or applications to be moved from one cloud to another.
  • Benefits of Using Cloud Services  Scalability/Flexibility — possibility to start with a small deployment and grow to a large deployment fairly rapidly.  Reliability — all-time business continuity and fast disaster recovery.  No in-house maintenance — сloud service providers do the system maintenance, and access is through Internet that do not require application installations in the PCs.  Mobile Accessible - Mobile workers have increased productivity due to systems accessible in an infrastructure available from anywhere.
  • THANK YOU FOR YOUR ATTENTION!
  • References  “Cloud Computing. Architecture, IT Security, & Operational Perspectives”, Ames Research Center, NASA, 2010.  “Effectively and Securely Using the Cloud Computing Paradigm”, NIST, 2009.  Paul Watson, “An Introduction to Cloud-based Services”, Newcastle University, 2009.  “Introduction to Cloud Computing”, Dialogic Corporation, 2010.