What is cloud ?
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Cloud Computing
By Dibyadip Das
Wednesday, April 12, 2023
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The cloud is a computing service that charges you based only on the amount of computing resources we use.
Pay as you go….
What is cloud?
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Virtualizationservice-oriented architectureautonomic, and utility computing..
Cloud computing is a natural evolution of the widespread adoption of :
Details are abstracted from end-users, who no longer have need for expertise in, or control over, the technology infrastructure "in the cloud" that
supports them
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Broadly, it is combination of three Computing concepts :
Grid Computing-Cluster of loosely coupled computers for a common cause
Utility Computing-Packaging of computer resources as a metered
Service Autonomic Computing-Capable of self management
What Is Cloud Computing??
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Key Characteristics Agility Cost Device and Reliability Scalability Securitylocationindependence Multi tenancy Sustainability
Why????
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Basic Components of Cloud Computing
1)Clients2)Services3)Application4)Platforms5)Storages6)Infrastructure
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Cloud Computing Architecture
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Cloud architecture, the systems architecture of the software systems involved in the delivery of cloud computing, typically involves multiple cloud components communicating with each other over a loose coupling mechanism such as a messaging queue.
Cloud engineering is the application of engineering disciplines to cloud computing. It brings a systematic approach to the high level concerns of commercialization, standardization, and governance in developing, operating and maintaining cloud computing systems.
It is a multidisciplinary method encompassing contributions from diverse areas such as systems, software, web, performance, information, security, platform, risk, and quality engineering.
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1)Software as a Service 2)Platform as a Service
3)Infrastructure as a Service
These 3 services encapsulate the basic 6 Cloud Computing Components
Cloud Computing Architecture
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Software as a Service
• Software as a service features a complete applicationoffered as a service on demand.• A single instance of the software runs on the cloudand services multiple end users or client organizations.• Eg: salesforce.com , Google Apps
Platform as a Service
• Platform as a service encapsulates a layer of software and provides it as a service that can be used to buildhigher-level services. Two Perspectives for Platform as a Service1. Producer:- Someone producing Platform as a Service might
produce a platform by integrating an OS, middleware, application software, and even a development environment that is then provided to a customer as a service.
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2.Consumer:- Someone using Process as a Service would see an
encapsulated service that is presented to them through an API. The customer interacts with the platform through the API, and the platform does what is necessary to manage and scale itself to provide a given level of service
Infrastructure as a Service
• “Infrastructure as a service “delivers basic storage and computing capabilities as standardized services over the network.
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Cloud Computing Types
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Public Clouds
A public cloud is one based on the standard cloud computing model, in which a service provider makes resources, such as 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.
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Private Clouds
Private cloud is infrastructure operated solely for a single organization, whether managed internally or by a third-party and hosted internally or externally.They have attracted criticism because users "still have to buy, build, and manage them" and thus do not benefit from lower up-front capital costs and less hands-on management, essentially "[lacking] the economic model that makes cloud computing such an intriguing concept".
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Hybrid Clouds
•Hybrid cloud is a composition of two or more clouds (private, community, or public) that remain unique entities but are bound together, offering the benefits of multiple deployment models. It can also be defined as multiple cloud systems that are connected in a way that allows programs and data to be moved easily from one deployment system to another.
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Some Applications of Cloud Computing
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https://skydrive.live.com/
SkyDrive
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Interface of SkyDrive
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~ A major step towards Cloud Computing
What is it?•It can run your web applications on Google’s infrastructure and easy to scale for traffic and data storage
•Features• dynamic web serving,• persistent storage,• automatic scaling
Application environment• Java• Python
Google App Engine
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Google Apps
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iCloud
iCloud is a cloud storage and cloud computing service from Apple Inc. announced on June 6, 2011 at the Apple Worldwide
Developers Conference (WWDC) .
www.icloud.com
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Interface of iCloud
iCloud =
o Contactso Mailo Calendarso Appso Bookso Backups
"It Just Works !”
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So what does iCloud do?
The service allows users to store data such as music files on remote computer servers for download to multiple devices such as iOS-based devices, and personal computers running Mac OS X or Microsoft Windows.
It also replaces Apple's MobileMe service, acting as a data syncing center for email, contacts, calendars, bookmarks, notes, to-do lists, and other data.
en.wikipedia.org/wiki/ICloud
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http://www.ibm.com/cloud-computing/us/en/
IBM cloud computing consists of cloud computing solutions for enterprises, offered by the global information technology company
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Introducing the World’s first Cloud Operating System
en.wikipedia.org/wiki/Google_Chrome_OS
The Google Chrome OS
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Interface of Google Chrome OS
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Cloud Computing holds a lot of promise and we believe that it is likely to be a major influence on hosting and application development.
SmarterTools is preparing all of our products for potential Cloud compatibility in the future because we have confidence that the incumbent issues will be satisfactorily resolved as this new technology matures.
What is expected ?
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https://www.facebook.com/pages/Cloud-computing/109623395723700?sk=wall
http://en.wikipedia.org/wiki/Cloud_computing