Introduction to Cloud Computing

outreach to Rajarata University

by Sachintana Dissanayake

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> What is Cloud computing?> Cloud Attributes> Cloud Architecture> Cloud Computing Services

> SaaS, Paas, IaaS

> Deployment Models> Growth of the Cloud> Cloud Usage> Q & A

Outline

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What is Cloud

> A visible mass of condensed watery vapour floating in the atmosphere, typically high above the general level of the ground

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What is Cloud computing

> Cloud computing> Style of computing in which dynamically scalable and

virtualized resources are provided as a service over the Internet

> Cloud services> Services and solutions that are delivered and consumed in

real-time over internet

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> On demand self service> Access anywhere, anytime, any device> Location independent resource pool> Rapid elasticity> Pay as you go

Cloud Attributes

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Cloud Architecture

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> Application provided by the service provider> Mostly via a browser or API> Examples:

> Mail services like Gmail> Online office applications> Picasa, Flicker services

SaaS - Software as a Service

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> Hosted application environment> Deploy cloud applications> Examples:

> Google App Engine> Amazon EC2> Microsoft Azure

PaaS - Platform as a Service

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> Host data centers and servers> Provide them as virtualized private services> Examples:

> Amazon EC2> Microsoft Azure> Rackspace

IaaS - Infrastructure as a Service

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> Public Cloud> Multiple tenants on a shared basis> Managed by cloud service provider> Lower upfront cost

> Private Cloud> Exclusive for single organization> Managed by the organization> Lower in the long run

> Hybrid Cloud> Combination of Public Cloud and Private Cloud

Deployment Models

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Growth of the Cloud

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> Cloud as a data storage> Cloud as a hosting environment> For startups or new entrepreneurs> Deploy business apps to cloud> Build code and package> Testing and QA

Cloud usage in practice

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> Application deployment in the Microsoft Azure portal

> What do you need> Microsoft live account> Azure subscription> Visual studio 2013

Demo

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> Microsoft Azure is SaaS, PaaS or IaaS?

> 2 advantages of the scalability in the cloud

Who are the winners

Q & A

Thank you