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Cloud Computing Jared, Lee, Jonathan, Mike
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What is this “Cloud Computing”? Cloud computing is Internet-based computing, whereby shared resources, software, and information are provided to computers and other devices on demand It describes a new supplement, consumption, and delivery model for IT services based on the Internet,
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The term "cloud" is used as a metaphor for the Internet, based on the cloud drawing used in the past to represent the telephone network A key element of cloud computing is customization and the creation of a user-defined experience.
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Where It All Began The concept of cloud computing dates back to 1960s, when John McCarthy opined that "computation may someday be organized as a public utility". In the 90’s it was called “utility computing”.
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Recent Past In 2007, Google, IBM, and a number of universities embarked on a large scale cloud computing research project By mid-2008, Gartner saw an opportunity for cloud computing "to shape the relationship among consumers of IT services, those who use IT services and those who sell them”.
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Cloud Computing Relationship Clients v. Providers What are the needs of the clients? How do the providers meet the needs of the clients?
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Client Clients want services On average, they don’t have to know what’s going on behind the scenes 3 main wants: Storage Applications Infrastructure
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Client (cont) Why cloud computing? Elasticity (scaling up and down) Automatic deprovisioning Pay for what you use Don’t have to worry about IT services and maintenance Outsourcing?
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Provider Provide the hardware, networks, storage, and interface to deliver computing as a service Data centers bring together hardware and software to provide services Provides platforms to assist the deployment of applications to users Responsible for security (Pepsi v. Coke)
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Storage Commercials Large data centers Clients buy or lease storage capacity Their information is then shown as a virtual server Could actually span multiple physical servers Clients manage the space themselves
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Types of Clouds Public Hybrid Private
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Public Services are provided to the public through the internet Good for SaaS – Software as a Service Cheap due to the fact that you pay for what you use Can be scaled to meet the needs of the users Concerns: Security and reliability
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Private Applies primarily to services hosted from within an organization’s data center Significantly reduces the security risks of the public cloud model (control) The user still has to buy, build and manage the system though Why do this?
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Hybrid Incorporates both internal and external providers (combination of Public and Private) Attempt to streamline the cloud Have to track multiple security platforms vSphere Enterprise Plus
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Issues with Cloud Computing Reliability on Internet Connectivity Personal Privacy Cost Security Ownership Performance Concerns
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Reliability on Internet Connectivity When you are reliable on the internet, the second you lose your connection you are without all of your information on the network. This poses big problems on a company that is dependent on a cloud network for operations.
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Personal Privacy Privacy is an issue with Cloud Computing. Companies providing the service can easily monitor what its clients are communicating and storing. This can lead to many legal problems for the providers.
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Costs If customers purchase games or applications through cloud computing, they may pay more for monthly subscriptions than actual ownership.
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Security Customer data is of great concern with Cloud Computing. Some argue that customer data is much more secure when it is dealt with internally. Providers must take their customers security serious if they want loyal customers.
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Ownership Businesses that store their data through cloud computing release ownership of their information to a third party. This raises problems in security, costs, and reliability as well.
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Performance Concerns Potential Providers are concerned with the performance and availability of applications within the cloud They are also concerned with the server shutting down for legal and financial reasons. The business aspect of Cloud Computing appears to be a high risk.
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Cloud Computing Future, Benefits Open Cirrus Research initiative, funding includes: sponsors (HP, Intel, Yahoo) partners (i.e. IDA, UIUC, KIT, MIMOS, ETRI, RAS) research members (who will use the testbed) NSF Educational purposes Software available to all students
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Cloud Computing Future, Benefits Cloud backup Elastic and scalable Cloud gaming Majority of game is on server, while game is streamed while accessing server Key will be to decrease lag time, dependence on internet high speed internet connections and low processing units Mobile devices HP Labs India announced SiteonMobile for emerging markets of low end devices
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Sources "Are security issues delaying adoption of cloud computing?". Networkworld.com. http://www.networkworld.com/news/2009/042709-burning-security-cloud- computing.html. "Security of virtualization, cloud computing divides IT and security pros". Networkworld.com. 2010-02-22. http://www.networkworld.com/news/2010/022210- virtualization-cloud-security-debate.html. “What is cloud computing really means?” http://www.infoworld.com/d/cloud- computing/what-cloud-computing-really-means-031 http://www.articlesbase.com/computers-articles/the-not-so-obvious-problems-with- cloud-computing-805767.html http://www.articlesbase.com/computers-articles/the-not-so-obvious-problems-with- cloud-computing-805767.html Further Reading EduCause Review Magazine, May/June 2010 issue, pages Handbook of Cloud Computing (Borko Furht) Ebook available through UNC libraries Cloud Computing: web-based applications that change the way you work and collaborate online (Michael Miller) Math/Phsyics Library, TK5105.88813.M56 2009
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