Cloud computing

What is it?

Presented By: Rohit Sarkar & Kanishka Roy

Enter the cloud


A model for delivering information technology services in which resources are retrieved from the internet through web-based tools and applications on-demand, rather than a direct connection to a server. Data and software packages are stored in servers. However, cloud computing structure allows access to information as long as an electronic device has access to the web. This type of system allows employees to work remotely.

The Average Cloud userConnects to the cloud via the Internet

Does computing tasks, orRuns applications, orStores Data


Do you Use the Cloud?


Presented by: Rohit Sarkar& Kanishka Roy

Cloud Computing Services

Software as a Service (SaaS)-End UsersSoftware as a Service (SaaS)-End Users Platform as a Service (PaaS)- Network ArchitectsPlatform as a Service (PaaS)- Network Architects Infrastructure as a Service (IaaS)-Application DevelopersInfrastructure as a Service (IaaS)-Application Developers

Software as a Service-End Users (SaaS) Also known as On-demand Service.

Is an application that can be accessed from anywhere on the world as long as you can have an computer with an Internet Connection.

We can access this cloud hosted application without any additional hardware or software.

E.g. : G-mail, Yahoo mail, Hotmail, Facebook etc..


Platform as a Service (PaaS) In the PaaS model, cloud providers deliver a computing platform, typically

including operating system, programming language execution environment, code deployment, database, and web server.

Application developers can develop and run their software solutions on a cloud platform without the cost.

Some PaaS offers, to match application demand resources need not to be allocated manually, so that the cloud user faces any problem. Required services are provided by the vendor.

E.g.: Salesforce.com, Windows Azure etc.


Infrastructure as a Service (IaaS)

Also known as hardware as a service.

Is a computing power that you can rent for a limited period of time.

Allows existing applications to be run on a cloud suppliers hardware.

Cloud providers offer computational abilities and computers – as physical or more often as virtual machines – raw (block) storage, firewalls, load balancers.


Cloud Architecture


Modes of Clouds Public Cloud• Computing infrastructure is hosted by cloud vendor at the vendors premises.• Can be shared by various organizations.• E.g. : Amazon, Google, Microsoft, Sales force

Private Cloud• The computing infrastructure is dedicated to a particular organization and not shared

with other organizations.• More expensive and more secure when compare to public cloud.• E.g. : HP data center, IBM, Sun, Oracle, 3tera

Hybrid Cloud • Organizations may host critical applications on private clouds.• Where as relatively less security concerns on public cloud.• Usage of both public and private together is called hybrid cloud.


The Cloud RequiresAn Internet connectionAn account - Created with a user name and a

passwordAgree to Terms


So what is the cloud?

Computing and software resources that are delivered on demand, as service.


From ground to cloud


Computer StorageComputers have internal or hard drive

storage(C: Drive)CPU has a drive for storing programs,

documents, pictures, videos, presentations, etc…

Cannot access this content from another device or computer

Central Processing Unit (CPU)

Inside the Computer


ProgramsPurchase programsLoad to the

computerEach computer

would need the program loaded and stored on the internal drive


External StorageAllows your content to

become mobileSave to the storage deviceTake device to any

compatible computerOpen and use content

Networked StorageMultiple work stations talk to one unit that

stores information and data.Data is not saved to the C: drive, but to a

network driveCan retrieve the data stored to the network

from any of the connected workstations.


Cloud StorageCreate an Account –

User name and password

Content lives with the account in the cloud

Log onto any computer with Internet to find your content.


Downloads for storageDownload a cloud based app to a computer

you ownThe app lives on your ComputerSave files to the appWhen connected to the Internet it will sync

with the cloudThe Cloud can be accessed from any device

with Internet connection.


Upload DocumentsLog-in to the online storage accountClick upload a fileFind the file on hard drive, network, or

external storageUpload to cloud storage

5 GB

5 GB

2 GB

7 GB


Software and applications


Document CreationGoogle DocsSkyDriveBox


Download required?


One can even download the created document if the he wants. Can also edit the document afterwards.

BenefitsSaving Large FilesMultiple file types – Photos, videos,

presentations, docsBack-up of stored filesFile SharingAccess from devicesNothing to forget (thumb drive, cd) Project collaboration


File Sharing


We can share files if we want.

Or we share a link of a file to any recipient.

Other Software servicesPhoto editing softwareOnline banking appsSocial media appsCommunication


AdvantagesCan be less expensive compared to buying software and hardwareCan be used from any computer or device with an Internet connectionThe device does not need as large of an internal storage systemCompatible with most computers and operating systemsUpdates occur across the service


DisadvantagesSometimes they hike pricesSecurity and privacy in the CloudTechnical Difficulties and Server failureLimited control and flexibility

Cloud computing remains strong and has great potential for the future. Its user base grows constantly and more big players are attracted to it, offering better and more fine tuned services and solutions. We can only hope that the advantages will further grow and the disadvantages will be mitigated, since cloud computing seems to have made IT a little bit easier.

Happy CLOUD COMPUTING!!!


Thanking You…

Cloud computing

Engineering

Transcript of Cloud computing