Key Concepts and Terminology behind Cloud Computing

1)      Business drivers or motivation for Cloud

  1. Capacity Planning
  2. Cost Reduction
  3. Organization Agility

2)      Organization’s Goals and Benefits

  1. Reduced Investment and Proportional Costs
  2. Increased Scalability
  3. Increased Availability and Reliability

3)      Risks and Challenges for the organization

  1. Increased Security Vulnerabilities
  2. Reduce Operational Governance Control
  3. Limited Portability Between Cloud Providers
  4. Multi-Regional Regulatory and Legal Issues

4)      Cloud is the main beneficiary of the following technology Innovations

  1. Clustering
  2. Grid Computing
  3. Virtualization

5)      Cloud Main Characteristics

  1. On-Demand Usage
  2. Ubiquitous Access
  3. Multitenancy (and Resourcing Pooling)
  4. Elasticity
  5. Measured Usage
  6. Resiliency

6)      Cloud Delivery Models

  1. Infrastructure-as-a –Service
  2. Platform-as-a-Service
  3. Software-as-a-Service

7)      Cloud Deployment Models

  1. Public Clouds
  2. Community Clouds
  3. Private Clouds
  4. Hybrid Clouds

8)      Cloud Patterns

  1. There are about thirty eight Cloud Patterns

9)      Cloud Technology Pillars

  1. Broadband Network and Internet Architecture
  2. Data Center Technology
  3. Virtualization
  4. Web Technology
  5. Multitenant
  6. Service Technology

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