CLOUD COMPUTING

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CLOUD COMPUTING

• Rich Sangprom

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What is cloud computing?

• Cloud computing is a model for enabling
  ubiquitous, convenient, on-demand network access
  to a shared pool of configurable computing
  resources (e.g., networks, servers, storage,
  applications, and services) that can be rapidly
  provisioned and released with minimal management
  effort or service provider interaction.
• - NIST Definition

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Characteristics

• On-demand self-service
• Broad network access
• Resource pooling
• Rapid elasticity
• Measured service

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Service Models

• Software as a Service (SaaS)
• Platform as a Service (PaaS)
• Infrastructure as a Service (IaaS)

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Software as a Service (SaaS)

• Gives the user the ability to utilize
  applications hosted on a cloud infrastructure
• Borrowing/renting software online
• Google Documents

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Platform as a Service (PaaS)

• The user is able to deploy custom applications
  and services
• User has control over deployed applications
• Similar to an app store

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Infrastructure as a Service (IaaS)

• Technology from a cloud provider is outsourced to
  a user/client as a service
• User has control over operating systems, storage,
  and deployed applications
• Pay per use basis

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Deployment Models

• Private Cloud
• - Single organization
• Community Cloud
• - Multiple organizations
• Public Cloud
• - General public
• Hybrid Cloud
• - Multiple cloud infrastructures
• - (ex. private cloud oublic cloud)

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Several Significant Companies in Cloud Computing