Introduction to Cloud Computing.pptx - Introduction to Cloud Computing Lecture 1 Cloud Computing Fundamentals Objectives Understand the basic ideas and

Introduction to Cloud Computing.pptx - Introduction to...

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Introduction to Cloud Computing Lecture 1 - Cloud Computing Fundamentals
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Objectives Understand the basic ideas and motivation for cloud computing Define Cloud Computing Understand the 5-4-3 principles of cloud computing and the cloud ecosystem Understand the working of a cloud application Briefly understand the benefits and drawbacks of cloud computing
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Motivation for cloud computing Before cloud computing: Invest money in hardware, software networking and infrastructure Buying resources in Keep and maintain on premises Adds further cost to the individual/company It is easy to get resources and computing power from a provider Reasonable investment compared to building an infrastructure (Captial Investment) Smaller lump sum on provision of services on a pay-as-you-use basis
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Motivation for cloud computing Cloud computing eliminates large computing investment without compromising the use and performance at operational cost With the added bonus that we have our files, applications and data intact as they are remotely stored, accessed and hopefully protected The only additional factor to take into consideration is security
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Motivation for cloud computing DIAGRAM HERE
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Motivation for cloud computing Based on the previous diagram, we can add new hardware to our capability without the need for an infrastructure rebuild The only effect it will have is a possible additional cost depending on the service that new service incurs
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The need for cloud computing Two main reasons - convenience and reliability In the past - USB, portable HD, CD Today, cloud services provide storage and other facilities with a reasonable internet connection Sharing of files and data Increased security Access issues?
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Defining Cloud Computing “Storing and accessing data and programs over the Internet from a remote location or computer instead of a locally derived storage device” Remote locations have the advantage of scalability and elasticity The end result to a user is the same, but to the user this work can be done anywhere, anytime and by any device We can evaluate cloud computing from two other perspectives - as a service and as a platform
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Cloud computing is a service The simplest thing a computer system performs is to allow storage and retrieval of data This is the same service provided by popular cloud computing platforms As an example - take Flickr: Allows us to easily access our images no matter where we are or the type of device we are using Allows us to share the images Provides us with data security
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Cloud computing is a platform
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