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Cloud Computing الحوسبة السحابية. subject History of Cloud Before the cloud Cloud Conditions Definition of Cloud Computing Cloud Anatomy Type of Cloud.

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Presentation on theme: "Cloud Computing الحوسبة السحابية. subject History of Cloud Before the cloud Cloud Conditions Definition of Cloud Computing Cloud Anatomy Type of Cloud."— Presentation transcript:

1 Cloud Computing الحوسبة السحابية

2 subject History of Cloud Before the cloud Cloud Conditions Definition of Cloud Computing Cloud Anatomy Type of Cloud Cloud advantages & disadvantages Examples for use clouds

3 HISTORY Concept dating back to the 1960’s by “John McCarthy”, a computer scientist, brought up the idea that “computation may someday be organized as a public utility”. – Wikipedia Idea that revolutionized Cloud Computing: - Utility computing - Grid computing “In some way, the cloud is a natural next step from the grid-utility model” said Frank Gens, an analyst at the research firm IDS. – Wikipedia

4 Before the cloud A server for each service - Hardware requirements - Software requirements (OS) - Security requirements Problems: - Hardware maintenance - Electric bills - delays

5 Cloud Conditions There are few underlying technologies developed in the last years: - Virtualization - Distributed Storage - Web

6 Virtualization Hardware Operating System App Traditional Stack Hardware OS App Hypervisor OS Virtualized Stack Virtualized – Multiple applications can run in one computer

7 Distributed storage is any file system that allows access to files stored on multiple hosts and share them via a network.

8 Web communication between two parts over the Web (Internet), typically conveyed using HTTP, XML and other Web-related standards.

9 What is Cloud Computing? cloud computing: is a technology depending on transfer the process and storage space for a local computer to the called (Cloud), and this cloud it is a server device reached it from Internet. And this way can convert the Data technology from products to the services. Basically a cloud is a virtualization of resources that manages and maintains itself. – Wikipedia Definition: There is no unique and standard definition out there, One of those definitions:

10 Cloud Computing Cloud Computing is a technology that uses the internet and central remote servers to maintain data and applications. Cloud computing allows consumers and businesses to use applications without installation and access their personal files at any computer with internet access. This technology allows for much more efficient computing by centralizing data storage, processing and bandwidth.

11 Cloud Anatomy Broadly classified under the three categories:

12 Infrastructure as a service (IaaS)  Means used the cloud as the infrastructure with power process, RAM and storage space, and you have all ways to establishes your servers and your applications for it.  Example:

13 Platform as a Service (PaaS)  Means used the cloud to put your applications on it and you can work for all applications and also put your OS and will there compatibles for all applications.  Example:

14 Software as a Service (SaaS)  Means you use any application it saved in cloud and your pc it is for connection only.  Example: 1- use Photoshop in cloud to change your picture, and your pc is connection to internet only. 2- YouTube.

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16 Type of Cloud  Public clouds: the services are delivered to the client via the Internet from a third party service provider. Example: Amazon  Private clouds: this services are managed and provided within the organization. There are less restriction on network bandwidth, fewer security exposures and other legal requirement compared to the public cloud. Example: HP Data Centre

17 Cloud advantages  Pay-per-use, minimum investment, cost efficient  Availability, no worries about hardware faults  Elasticity, scaling up and down in seconds  Everything is manageable from a web interface  Unlimited storage capacity  Improved document format compatibility  Reduced software maintenance

18 Cloud disadvantages  Requires a constant internet connection  Don’t work well with low speed connection  Can be slow  Data stored might not be secure  Stored data can be lost

19 There are many services for clouds  Services for Email: Gmail, Yahoo mail, Hotmail  Services for storage clouds: Google Drive, skyDrive  Services for Music clouds: Google Music, Amazon cloud player, iTunes / iCloud  Applications clouds: Google Docs, Photoshop Express  OS cloud: Google Chrome OS, Jolicloud

20 Providers of Cloud computing

21 References http://ar.wikipedia.org/wiki/File:Cloud_computing.svg http://www.slideshare.net/ http://www.wikinvest.com/concept/Cloud_Computing http://www.flickr.com/photos/chrisdag/6073931293

22 Thank You


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