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Cloud Computing Introduction

Working Description of Cloud Computing

Cloud computing: a model for enabling convenient, on

demand network access to a shared pool of configurable

computing resources (e.g., networks, servers, software,

applications, and services) that can be rapidly deployed

and/or released with minimal management effort or service

provider interaction.

Cloud Computing Introduction

Origin of the Term “Cloud Computing”

• Origins are from the early days of the Internet where the network was portrayed as a cloud

• First cloud around networking (TCP/IP abstraction)• Second cloud around documents (data abstraction) • Emerging cloud abstracts include infrastructure,

complexities of servers, applications, data and heterogeneous platforms

Cloud Computing Introduction

Foundation Elements of Cloud Computing

• Primary Technologies – Virtualization

– Grid Technology

– Service Oriented Architectures

– Distributed Computing

– Broadband Networks

– Browser as a Platform

– Free and Open Source Software

• Other Technologies – Autonomic Systems

– Web 2.0

– Web Application Frameworks

– Service Level Agreements

Cloud Computing Introduction

Five Essential Cloud Characteristics

1. Broad network access

2. On-demand and self-service

3. Location independent resource pooling

4. Infinite scales and capacity increases/decreases

5. Measured service based on usage

Cloud Computing Introduction

Cloud Computing

Improving Business Efficiency

Reduces capital expenditures

Minimizes operating costs

Maximizes resources

Secures mission-critical IT functions

Provides virtual business continuity

Cloud Computing Introduction

Possible Effects of Cloud Computing

• Small enterprises – Use of SaaS and public clouds

– Minimize growth of data centers

• Large enterprises – Data centers evolve to act as private clouds

– Use of hybrid clouds to leverage both internal and public clouds

• Public clouds may adopt standards in order to run workloads from competing hybrid cloud infrastructures

Cloud Computing Introduction

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