cloud computing

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15 Terms

1
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define cloud computing

the use of computing resources (e.g. storage/access of files) over the internet instead of physically

2
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what is a server (on the cloud)

servers hold the files and folders of the users of an organisation

3
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what are user devices

user who are identifies and given access rights to those resources they are permitted,

members of the cloud

4
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what is cloud storage

the storing of data on servers located on and access via the internet.

5
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what does cloud storage enable businesses and consumers to do (2)

save data securely online so it can be accessed anytime from any location and easily shared with those granted permission

6
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cloud storage can also back up data so that…

it is in a different physical location

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What is a public cloud?

cloud services provided by another company where everything is owned and managed by the cloud provider.

e.g. google cloudw

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what is a private cloud

cloud services managed and provided in-house

cloud infrastructure operating exclusively for one company (either managed by the company itself or a third party, or both), it’s hosted primarily on premises.

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benefits of a private cloud

  • greater control over resources, data security and regulatory compliance

    • avoids issues with sharing systems

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what is multi-cloud

infrastructure from multiple public clouds

  • using services from two or more major service providers: e.g. iCloud, google

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what is hybrid cloud + an advantage

mixture of public and private clouds

  • flexible: can un critical applications on a private cloud while using the public cloud for less sensitive tasks.

  • Improved Security: Sensitive data can remain on private clouds, while public clouds handle non-sensitive operations.

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benefits (4) vs drawbacks (4) of cloud computing

BENEFITS:

  • cost efficient: only purchase capacity required. the provider manages housing/infrastructure

  • faster to set up: deploy servers in minutes instead of weeks

  • reliable: providers can build geographical redundancy - data backup and disaster recovery are much easier and less expensive for a business, can reach data all over the world

  • better security built in: better security offered by providers

DRAWBACKS

  • downtime: if internet goes down, all resources/data access goes with it

  • switching to cloud/to different clouds may take ages + be expensive

  • data breaches/hackers: though usual due to human error

  • lack of control

  • complexity

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environmental impacts of cloud computing

  • significant energy consumption

    • high CO2 footprint

  • high water consumption

  • growing demand

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what is cloud vendor lock in

when transitioning data, products, or services to another vendor's platform is difficult and costly, making customers more dependent (locked-in) on a single cloud storage solution.

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public vs private vs hybrid, pros and cons

Public Cloud

Pros:

  • Cost-effective (pay-as-you-go).

  • Scalable and fast to deploy.

  • Maintenance handled by provider.

Cons:

  • Limited control and customization.

  • Potential privacy and security concerns.

  • Costs can grow over time.

Private Cloud

Pros:

  • Full control and enhanced security.

  • Customizable to business needs.

Cons:

  • Expensive to set up and maintain.

  • Limited scalability compared to public cloud.

Hybrid cloud

Pros:

  • Flexibility: Combines public cloud scalability with private cloud security.

  • Cost Optimization: Use public cloud for less sensitive tasks, private for critical ones.

  • Business Continuity: Enhanced disaster recovery and workload mobility.

Cons:

  • Complex Management: Integrating public and private clouds can be challenging.

  • Higher Costs: Managing both environments may require extra resources.

  • Security Risks: Data transfer between clouds can be vulnerable if not secured.