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You are here:Open notes-->VTU-->Unit-2-Cloud-Deployment-Models

Unit 2 Cloud Deployment Models

2.1 Introduction

Cloud computing is an emerging style of computing where applications, data, and resources are provided to users as service over the web.

2.2 Cloud Characteristics

 On-Demand Service.
 Ubiquitous Network Access.
 Location-Independent Resource Pooling(Multi -Tenant).
 Rapid Elasticity

2.3 Measured Service

 Cost Factor
 Benefits
◦ Self-Service Capability    
◦ Resource Availability
◦ Operational efficiency, Hosted Tools

2.4 Cloud Deployment Models

 Public Clouds

 Private Clouds

 Hybrid Clouds

 Community Clouds

 Shared Private Cloud

 Dedicated Private Cloud

 Dynamic Private Cloud

 Cloud Models Impact

 Savings and Cost Metrics

 Commoditization in Cloud Computing

2.5 Security In Public Cloud

 Multi-Tenency

 Security Assessment

 Shared Risk

 Staff Security Screening

 Distributed Data Centers

 Physical Security

 Policies

 Coding

 Data Leakage

2.6 Public v/s Private Clouds

A public cloud is a shared cloud computing infrastructure that any one access. It provides hardware and virtualization layers that are owned by the vendor and are shared between all customers. It is connected to the public internet and presents an illusion of infinitely elastic resources.

A private cloud is a cloud computing infrastructure owned by a single party. It provides hardware and virtualization layers that are owned by , or reserved for the business. It, therefore ,presents an elastic but finite resources and may or may not be connected to public internet.

2.7 Cloud Infrastructure Self-Service

 Infrastructure Strategy and Planning Features.

 The Path to Cloud Computing.

Infrastructure Strategy and Planning Features.

 Assesment of the current environment to determine strengths, gaps and readiness.

 Development of value proposition for cloud computing in the enterprise.

 Strategy , planning and roadmap to successfully implement the selected cloud delivery model.

The path to cloud computing

 Server virtualization.

 Distributed Virtualization.

 Private Cloud

 Hybrid cloud.

 Public cloud.

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