Cloud Computing Essay

1342 Words Jul 18th, 2012 6 Pages
Abstract
Cloud computing is defined by Cearly and Phifer in their case study titled “Case Studies in Cloud Computing” as “a style of computing in which scalable and elastic IT-related capabilities are provided ‘ as a service’ to customers using Internet technologies”. Cloud computing services had been provided by major vendors such as Google, Amazon, Microsoft, IBM, Hewlett-Packard, and others for business computing until recently when Apple Corporation announced iCloud for consumers. Therefore, cloud computing is now available for businesses as well as consumers. This case study will explain the how Ericsson benefitted from Amazon Web Services (AWS) in terms of cost reduction, automated software updates, remote access, and on-demand
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“The company has managed to reduce cost by adopting AWS. AWS offers a substantially low fee with no long-term subscription commitments. Because AWS is able to build and manage a global infrastructure at scale, they are able to offer the product at a lost price which will ultimately pass the cost savings to Ericsson. Ericsson also benefitted from AWS because automated updates made it easy for Ericsson to keep its system up to date around the world. AWS provides a massive global cloud infrastructure that allows you to quickly innovate, experiment and iterate. Instead of waiting weeks or months for hardware or software upgrades, you can instantly deploy new applications, instantly scale up as your workload grows, and instantly scale down based on demand. Whether you need one virtual server or thousands, whether you need them for a few hours or 24/7, you still only pay for what you use” (Admin, 2011). AWS is a self-served environment that is remotely accessible at all times; this is great for a company like Ericsson.
EC2, S3 and RightScale
“Amazon Elastic Compute Cloud (EC2) allows scalable deployment of applications by providing a web service through which a user can boot an Amazon Machine Image to create a virtual machine, which Amazon calls an instance, containing any software desired. S3 uses storage online through a web interface” (Burt, 2009). It

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