Essay on Understanding Cloud Computing

2631 Words11 Pages
TABLE OF CONTENTS 1 Introduction 5 2 Cloud Computing 7 2.1 Why Cloud Computing 7 3 How Cloud Computing Works 11 3.1 Cloud Service Models 12 3.1.1 Infrastructure as a Service (IaaS) 13 3.1.2 Platform as a Service (PaaS) 13 3.1.3 Software as a Service (SaaS) 15 4 Cloud Deployment Models 16 4.1 Private Cloud 16 4.2 Public Cloud 17 4.3 Community Cloud 18 4.4 Hybrid Cloud 19 5 Challenges in Cloud Computing 20 6 Conclusion 22 7 Glossary 23 8 References 24 LIST OF IMAGES Fig 1: Cloud Computing 5 Fig 2: Why Cloud Computing 8 Fig 3: Working of Cloud Computing 11 Fig 4: Cloud service Models 12 Fig 5: Platform as a Service (PaaS) 14 Fig 6: Software as a Service (SaaS) 15 Fig 7: Private Cloud 16 Fig 8: Public Cloud…show more content…
2 Cloud Computing 2.1 Why Cloud Computing In the present world, almost everyone is connected through internet to access anything via a single click. Some may prefer Facebook as their socializing media whereas others may use Twitter or LinkedIn. Similarly, some use Gmail account whereas others prefer Hotmail or Yahoo. All these can be accessed from anywhere in the world via any device such as laptop, smartphone, etc. There is no restriction to use it only from a specific device or using a specific network. For years, all companies no matter whether it is small concern or huge, it always relies on the storage of documents internally which can be accessed by the user/client only via the internal network. Introduction of Cloud Service allows the user/client to store, download and access their files anywhere in the world using internet. This technology also provides much better organised computing with the centralized storage space, processing, memory and the bandwidth. To better understand let us consider the web based email services like Gmail or Hotmail which delivers the Cloud Computing service to the user. Here the Gmail/Hotmail user can access their emails in the cloud from any computer with a browser and the internet connection without bothering the type of hardware in that computer. Here the emails are hosted on the Google’s or Microsoft’s servers and is not stored locally on the user’s
Open Document