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Cloud Computing

For E-business System Development
by

Anastasiya Lyamina

on 19 February 2013

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Transcript of Cloud Computing

DEFINITION "A type of data storage system where data is stored, managed and processed remotely and accessed by a dummy terminal through the internet" "Cloud computing is the tendency of the future. Is a set of services offered through the Internet that let us access to software and hardware in a quickly and simply way." "Cloud computing is the use of computer resources that are delivered as a service over the internet." "Cloud Computing is a new mthod to add capabilities to a computer on the fly, without licensing new software, investing in new hardware or infrastructure, or training new personnel IMPORTANCE Before cloud networks were widely used, data security was the main concern for small and large businesses.
Buying hardware and software for each employee is expensive.
Instead of renting your own physical server, Cloud Computing makes possible to split a physical server into multiple virtual servers.
Cloud computing is very efficient way of using computer hardware
Cloud IT services are wide-reaching. Users can use central processing unit (CPU) cycles without buying computers. CLOUD COMPUTING 3 Levels Of Cloud Computing Infrastructure Platform Application INFRASTRUCTURE AS A SERVICE (IaaS) Examples: services that let us to access machines and storage PLATFORM AS A SERVICE (PaaS) services which let us to localize our applications and make them run in the cloud Examples: Infrastructure SOFTWARE AS A SERVICE (SaaS) services which let us to consume software.
It is accessible through the Internet
Offer customer relationship management (CRM) , enterprise resource planning (ERP), human resource management (HRM) Examples: database web server development tools CRM Email virtual desktop communication games virtual machines servers storage network Public cloud Private/Enterprise cloud Hybrid cloud Examples:
HP/3PAR, Oracle, IBM, Cisco, VMware, EMC2, FalconStor Software, Fusionio, NetApp a proprietary computing architecture that provides hosted services to a limited number of people behind a firewall, and is typically for organizations that needs or wants more control over their data than they can get by using a third-party hosted service. a service provider makes resources such as an applications and storage, available to the general public over the Internet. Public cloud services may be free or offered on a pay-per-usage model Examples:
Twitter, Google, Microsoft Azure, Amazon, Facebook, Salesforce, Flickr, Dropbox, Yahoo the uses of both private and public clouds to provide and organization’s computing needs. Two or more clouds (private, community, or public) that remain unique entities but are bound together by standardized or proprietary technology. Examples:
NRE Alliance, Verizon, Rackspace, Terremark Reasons to use Cloud Computing: 1. Collaboration
2. Remote access
3. Low cost
4. Scalability
5. Agility The Cloud Secrity Alliance (CSA) found the Leading Drivers of Cloud Adoption
(Average score, based on a scale of 1 to 5) were: Leading Drivers ( Disadvantages of Cloud Computing: 1. Privacy concerns
2. Security concerns
3. Risk of losing data
4. Lack of control
5. Legality/Mentality OPPORTUNITIES and STATISTICS How are internet users using the cloud:
Webmail - 56%,
Data Storage & Backups – 10%,
Photos – 34%,
Online Applications – 29%, Videos – 7% 2009 7/10: Companies using cloud services that will move new applications to the cloud. (Mimecast) 60%: Server workloads that will be virtualized by 2014 (Gartner) 54%: Amount of respondents citing Security as their top concern for transitioning to the cloud. (LinkedIn) By the end of 2013, more than 75% of UK businesses will be using at least one type of cloud service. It also forecast that, of existing cloud users, 80% will increase their spending on cloud computing. Anastasiya Lyamina Cloud computing is a trend which is integral to Web 2.0 which bring all sorts of user data as well as operating systems online and this makes it unnecessary to use storage devices enabling content sharing platform with web access
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