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Cloud computing

Cloud Computing is a general term used to describe a new class of network based computing that takes place over the Internet, basically a step on from Utility Computing a collection/group of integrated and networked hardware, software and Internet infrastructure (called a platform). Using the Internet for communication and transport provides hardware, software and networking services to clients

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CLOUD COMPUTING
SUBMITTED BY:
NEHA GAUTAM
CLOUD COMPUTING
 Introduction
 What Is Cloud Computing?
 History of Cloud Computing
 Advantages of Cloud Computing
 Disadvantages of Cloud Computing
 Components of Cloud Computing
 Types of Cloud Computing
 Conclusion Cloud Computing
2
INTRODUCTION
 Cloud Computing is a general term used to describe a new class of
network based computing that takes place over the Internet,
 basically a step on from Utility Computing
 a collection/group of integrated and networked hardware,
software and Internet infrastructure (called a platform).
 Using the Internet for communication and transport provides
hardware, software and networking services to clients
 These platforms hide the complexity and details of the underlying
infrastructure from users and applications by providing very simple
graphical interface or API (Applications Programming Interface).
3
WHAT IS CLOUD COMPUTING?
 In addition, the platform provides on demand services, that are always on,
anywhere, anytime and any place.
 Pay for use and as needed, elastic
 scale up and down in capacity and functionalities
 The hardware and software services are available to
 general public, enterprises, corporations and businesses markets
 Cloud computing is an umbrella term used to refer to Internet based
development and services
 A number of characteristics define cloud data, applications services and
infrastructure:
 Remotely hosted: Services or data are hosted on remote infrastructure.
 Ubiquitous: Services or data are available from anywhere.
 Commodified: The result is a utility computing model similar to
traditional that of traditional utilities, like gas and electricity - you pay for
what you would want! 4
HISTORY
 Concept originated from telecommunication companies
changing to VPN
 1999:Salesforce. com ‐ Delivery of applications via web
 2002: Amazon launches Amazon Web Services (AWS)
 2006: Google Docs, Amazon Elastic Compute Cloud
(EC2)
 2008: Eucalyptus
 2009: Microsoft Azure
5
WHAT IS THE PURPOSE AND BENEFITS?
 Cloud computing enables companies and applications,
which are system infrastructure dependent, to be
infrastructure-less.
 By using the Cloud infrastructure on “pay as used and
on demand”, all of us can save in capital and
operational investment!
 Clients can:
 Put their data on the platform instead of on their own
desktop PCs and/or on their own servers.
 They can put their applications on the cloud and use
the servers within the cloud to do processing and
data manipulations etc.
6
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Cloud computing

  • 2. CLOUD COMPUTING  Introduction  What Is Cloud Computing?  History of Cloud Computing  Advantages of Cloud Computing  Disadvantages of Cloud Computing  Components of Cloud Computing  Types of Cloud Computing  Conclusion Cloud Computing 2
  • 3. INTRODUCTION  Cloud Computing is a general term used to describe a new class of network based computing that takes place over the Internet,  basically a step on from Utility Computing  a collection/group of integrated and networked hardware, software and Internet infrastructure (called a platform).  Using the Internet for communication and transport provides hardware, software and networking services to clients  These platforms hide the complexity and details of the underlying infrastructure from users and applications by providing very simple graphical interface or API (Applications Programming Interface). 3
  • 4. WHAT IS CLOUD COMPUTING?  In addition, the platform provides on demand services, that are always on, anywhere, anytime and any place.  Pay for use and as needed, elastic  scale up and down in capacity and functionalities  The hardware and software services are available to  general public, enterprises, corporations and businesses markets  Cloud computing is an umbrella term used to refer to Internet based development and services  A number of characteristics define cloud data, applications services and infrastructure:  Remotely hosted: Services or data are hosted on remote infrastructure.  Ubiquitous: Services or data are available from anywhere.  Commodified: The result is a utility computing model similar to traditional that of traditional utilities, like gas and electricity - you pay for what you would want! 4
  • 5. HISTORY  Concept originated from telecommunication companies changing to VPN  1999:Salesforce. com ‐ Delivery of applications via web  2002: Amazon launches Amazon Web Services (AWS)  2006: Google Docs, Amazon Elastic Compute Cloud (EC2)  2008: Eucalyptus  2009: Microsoft Azure 5
  • 6. WHAT IS THE PURPOSE AND BENEFITS?  Cloud computing enables companies and applications, which are system infrastructure dependent, to be infrastructure-less.  By using the Cloud infrastructure on “pay as used and on demand”, all of us can save in capital and operational investment!  Clients can:  Put their data on the platform instead of on their own desktop PCs and/or on their own servers.  They can put their applications on the cloud and use the servers within the cloud to do processing and data manipulations etc. 6
  • 7. TYPES OF CLOUD COMPUTING 7
  • 8. PUBLIC CLOUD  Public clouds are made available to the general public by a service provider who hosts the cloud infrastructure.  Generally, public cloud providers like Amazon AWS, Microsoft and Google own and operate the infrastructure and offer access over the Internet.  With this model, customers have no visibility or control over where the infrastructure is located.  It is important to note that all customers on public clouds share the same infrastructure pool with limited configuration, security protections and availability variances. 8
  • 9. PRIVATE CLOUD  Private cloud is cloud infrastructure dedicated to a particular organization.  Private clouds allow businesses to host applications in the cloud, while addressing concerns regarding data security and control, which is often lacking in a public cloud environment.  It is not shared with other organizations, whether managed internally or by a third-party, and it can be hosted internally or externally. 9
  • 10. HYBRID CLOUD  Hybrid Clouds are a composition of two or more clouds (private, community or public) that remain unique entities but are bound together offering the advantages of multiple deployment models.  In a hybrid cloud, you can leverage third party cloud providers in either a full or partial manner; increasing the flexibility of computing.  Augmenting a traditional private cloud with the resources of a public cloud can be used to manage any unexpected surges in workload. 10
  • 11. COMPONENTS  SaaS (software as a service): SaaS refers to software that’s made available as a web-based service.  PaaS: In PaaS the provider delivers more than infrastructure. It is the evolution of web hosting.  Utility computing: The predecessor of cloud computing, utility computing provides the ability to access storage and virtual servers on demand.  Cloud-based web services: Similar to Saas, web services in the cloud allow you to offer services online, such as credit card processing services, employee payroll processing or viewing an interactive map.  MSP (managed service providers): The grandfather of cloud computing, an MSP delivers applications to IT instead of end-users.  IaaS (infrastructure as a service): IaaS refers to computer infrastructure (e.g., virtualization) that’s delivered as a service. 11
  • 12. o Business Process as a Service (BPaaS) : is any type of horizontal or vertical business process that’s delivered based on the cloud services model. 12
  • 13. ADVANTAGES OF CLOUD COMPUTING  Flexibility: There is a high rate of flexibility.  Low Cost: Companies can save big by employing cloud computing as it eliminates cost for hardware and software.  Speed & Scales :Traditional methods to buy and configure hardware and software are time consuming.  Easier Management of Data and Information: Since all data are located on a centralized location, data are more organized making it easy to manage.  Device Diversity :We can access our applications and data anywhere in the world, on any system.  Increased Storage Capacity: Increased Storage Capacity is another benefit of the cloud computing, as it can store more data as compared to a personal computer.  Easy to Learn and Understand: Since people are quiet used to cloud applications like Gmail, Google Docs, so anything related to the same is most likely to be understood by the users. 13
  • 14. ADVANTAGES OF CLOUD COMPUTING…  Automatic Updating: It saves companies time and effort to update multiples server.  Customize Setting: Cloud computing also allows you to customize your business applications. 14
  • 15. DISADVANTAGES OF CLOUD COMPUTING  Dependency: One major disadvantages of cloud computing is user’s dependency on the provider.  Risk: Cloud computing services means taking services from remote servers.  Requires a Constant internet connection: The most obvious disadvantage is that Cloud computing completely relies on network connections.  Security: Security and privacy are the biggest concerns about cloud computing.  Migration Issue: Migration problem is also a big concern about cloud computing. 15
  • 16. The use of the cloud provides a number of opportunities:  It enables services to be used without any understanding of their infrastructure.  Cloud computing works using economies of scale:  It potentially lowers the outlay expense for start up companies, as they would no longer need to buy their own software or servers.  Cost would be by on-demand pricing.  Vendors and Service providers claim costs by establishing an ongoing revenue stream.  Data and services are stored remotely but accessible from “anywhere”. OPPORTUNITIES AND CHALLENGES 16
  • 17. In parallel there has been backlash against cloud computing:  Use of cloud computing means dependence on others and that could possibly limit flexibility and innovation:  The others are likely become the bigger Internet companies like Google and IBM, who may monopolise the market.  Some argue that this use of supercomputers is a return to the time of mainframe computing that the PC was a reaction against.  Security could prove to be a big issue:  It is still unclear how safe out-sourced data is and when using these services ownership of data is not always clear.  There are also issues relating to policy and access:  If your data is stored abroad whose policy do you adhere to?  What happens if the remote server goes down?  How will you then access files?  There have been cases of users being locked out of accounts and losing access to data. 17
  • 18.  Many of the activities loosely grouped together under cloud computing have already been happening and centralised computing activity is not a new phenomena  Grid Computing was the last research-led centralised approach  However there are concerns that the mainstream adoption of cloud computing could cause many problems for users  Many new open source systems appearing that you can install and run on your local cluster  should be able to run a variety of applications on these systems THE FUTURETHE FUTURE 18
  • 19. CONCLUSION  So, while cloud computing is really really great and you’re probably already using it, either for business or for personal means, here’s what we’ve learned from taking a look at the pros and cons:  Cloud computing is a really cheap way for companies to have all the resources they need in once place.  It’s a much better way to spread your resources, and it becomes easier to access things from longer distances. 19
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