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Page 1: What is the cloud - First steps to understanding cloud computing

The Cloud

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Why are YOU here today?

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• Become a rockstar star programmer in cool tech company

• Startup a Business

• Making money

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• Commitment at the Maker Academy

• Expert with heroku

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You want to go !

FURTHER5

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How is THIS presentation!going to help YOU?

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Whatever inspires you …

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be GOOD at it

You MUST

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NO!OUTSTANDING

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Further your knowledge

of the cloud

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Why ME today?

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From Support to Post Sales consultant

Entrepreneur: Cloud migration business

Worked in IT for 10 years

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What to Expect

today?13

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To learn14

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About the CLOUDAt a high level

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cloudWhat is the

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• The Cloud is everywhere!• It is changing our

world

• It unites people together

• It creates jobs

• It is key for the economy17

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A Marketing term

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Machines that run useful

tools, software or websites

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It’s what you know but it looks different

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Why are businesses excited about the

cloud?Goal of online businesses

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Increasing revenue with more clients

a.k.a more traffic

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Problem?

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We need to scale up

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QUICKLY

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How to achieve it?

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Using

Virtualisation

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What do you mean Gaël?

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Flat 1 Flat 2

Flat 3 Flat 4

Penthouse

Electricity

Gas

Water

W G E

W G E W G E

W G EW G E

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How does it look like

in the datacenter

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Virtual Machine 1 Virtual Machine 2

Virtual Machine 3 Virtual Machine 4

BIG Virtual Machine

N C D R

N C D R

N C D R

N C D R

N C D R RAM

Disk

CPU

Network

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This is a cloud

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This is a bigger cloud

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This is an even bigger cloud

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How do you manage it?

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Through a web interfaceAnywhere on the globe

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Amazon

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Rackspace

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On the JOB

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To grow your …

infrastructure !

Engage your Ops team

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3 types of cloudAs-A-

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IaaSInfrastructure as a service

Rent Virtual Machines

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SaaSSoftware as a Service

Rent fully operational software

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PaaSPlatform as a Service Run your code

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Other “aaS”Database, logging, login, file sharing, back office,

security…

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Your goal for your cloud:

Be LeanUse different

Service providers

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Example• Use Azure (IaaS) to host your code

• Use Engineyard (DBaaS) to host your DB

• Use a CloudFlare (CDN) to distribute content to the world

• Use Incapsula (DDoS) to Protect your website

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The Lingo56

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• Cloud Server, EC2 • Object store • Cloud Load Balancer

• Cloud DNS, Route53

• Cloud Backup

• Cloud Files, S3 • Private Cloud • Public Cloud • Hybrid Cloud • CDN, CloudFront • MongoDB • Cloud database, RDS

Technology

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A big word

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7 !Benefits

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1. From CApital EXpenditure (CAPEX) to OPerational EXpenditure (OPEX)

2. Lower overall cost

3. Increases agility

4. Reduces complexity

5. Shift the focus of IT resources to higher-value-added activities for the business

6. Support business innovation

7. Reduces investment risks

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7 Considerations

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1. Security!2. Lack of transparency

3. Location of the data and data protection acts

4. Performance

5. Availability: What if it goes down?

6. Vendor lock-in. Vendor going bust? What next?

7. Loss of control. People like to touch their …. hardware

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Take a pic and post a tweet

#MakerAcademy

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Don’t be a stranger and

get in touch !

@gaelreignier

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