Sean Barker

Virtualization

1

Physical interface Virtualized interface

Sean Barker

Hypervisors

2

Type 1 (bare metal) Type 2 (hosted)

Sean Barker

Virtualization Case Studies

3

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Data Centers

4

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Server Virtualization

5

Virtualization Layer

Linux

VM 2Windows

VM 1

Windows Linux

(a) before virtualization (b) after virtualization

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Desktop Virtualization

6

Work

Home

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Cloud Computing

7

Azure

Sean Barker

Types of Cloud Services

8

Software as a Service (SaaS)

Platform as a Service (PaaS)

Infrastructure as a Service (IaaS)

Azure

Sean Barker

Amazon Elastic Compute Cloud (EC2)

9

Small Medium Large

VCPUs 1 2 4

RAM 2 GB 4 GB 8 GB

Price $0.02/hr $0.04/hr $0.09/hr

Storage $0.10/GB per month

Bandwidth $0.10 per GB

18