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What this Wiki is aboutEdit

Welcome to the wiki. This wiki is to help you understand what cloud computing is and learn the basics about it. Cloud computing is a major topic studied in practically every IT course around all universities and a firm understanding of the concept will benefit you for the future. So sit tight hold and and enjoy the wiki.

WAIT WAIT....! Why is it called Cloud computing though?

So the metaphor of the cloud was borrowed originally from "old telecoms network schematics" in which the public telephone network and then later the internet. People would refer to all of these signals being transmitted and data being transmitted which you could not see to be "in the cloud"... Now keep reading on ;)

After you are finished with this page feel free to take the Cloud computing quiz! located in this link: scroll down a little and you will find yourself the cloud computing quiz! Good luck! :)

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Cloud Computing Edit

Cloud computing is the practice of using a network of remote servers which are hosted on the internet to store, manage, and process data, rather than a local server or personal computer.

Service models:

  • SaaS - Software as a service
  • IaaS - Infrastructure as a service
  • PaaS - Platform as a Service

Deployment models:

  • Public
  • Private
  • Community
  • Hybrid
Cost Speed Performance
Minimises the costs of buying hardware

and software for computers. Can increase

power usage though due to servers always

being up.

Cloud storage is fast depending

on internet speeds within the

organisation. Pc's which are being

used as servers in the organisation

are obviously faster to access.

Biggest cloud computing

services run on the latest

and fastest hardware and

software so all servers

hosted online don't lack

in the performance sector.

Security:

One of the largest issue's which cloud computing faces. Today there are companies which specialise in cloud servers and purely host servers for companies, small organisations and individuals with this they have to ensure that their security is up to date and almost un-hackable. There was an incident in 2015 where apples icloud got hacked and thousands of peoples personal data had been leaked publicly including celebrities.

Some of the Top security threats are:

  • Abuse and nefarious use of cloud computing: This can be supported by registration and validation processes, enhanced credit card fraud monitoring and coordination, monitoring public blacklists for ones own network blocks.
  • unknown risk profile: Disclosure of applicable logs and data. partial and full disclosure of infrastructure details whilst also monitoring and alerting of necessary information.
  • Malicious insiders: To enforce strict supply chain management and perform assessments frequently.
  • Shared technology issues: Implement security best practices for installation and configuration.
  • Data loss or leakage: Implement strong API access control, encrypting and protect integrity of data in transit, analyse data protection at both run time and design, contractually demand providers wipe persistent media before it is released into the pull.
  • Account or service hijacking: Prohibit the sharing of account credentials between users and services, leverage strong two-factor authentication techniques where possible.

Examples of Cloud computing:

Cloud computing is involved with a huge amount of different services. This includes Gmail, Icloud (for iphones), netflix etc... Many apps are starting to head towards cloud computing as it is offering their applications as services over the internet rather than just individual products as they try to switch to a subscription model. Cloud computing can also become more expansive for companies to upgrade to and can pose a risk of unreliability...

There is a video link below which will thoroughly explain the concepts of cloud computing:

https://www.youtube.com/watch?v=ae_DKNwK_ms

References:

Cloud Computing Services Models - IaaS PaaS SaaS Explained

Cloud Computing Services Models - IaaS PaaS SaaS Explained

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Wiki page created by Dylan lumbroso

Cloud-computing
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