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Introduction to Cloud Computing.pptx

What is cloud computing and its architecture

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Introduction to Cloud
Computing
-BY OJASWINI WAGH
Introduction
Cloud computing is a virtualization-based technology
that allows us to create, configure, and customize
applications via an internet connection.
The cloud technology includes a development platform,
hard disk, software application, and database.
What is Cloud Computing
 The term cloud refers to a
network or the internet.
 It is a technology that
uses remote servers on
the internet to store,
manage, and access data
online rather than local
drives.
 The data can be anything
such as files, images,
documents, audio, video,
and more.
Why Cloud Computing?
 Small as well as large IT
companies, follow the traditional
methods to provide the IT
infrastructure. That means for any
IT company, we need a Server
Room that is the basic need of IT
companies.
 In that server room, there should be
a database server, mail server,
networking, firewalls, configurable
system, high net speed, and the
maintenance engineers.
 To establish such IT infrastructure,
we need to spend lots of money. To
overcome all these problems and to
reduce the IT infrastructure cost,
Cloud Computing comes into
existence.
Characteristics of Cloud Computing
 1) Agility
 2) High availability and reliability
 3) High Scalability
 4) Multi-Sharing
 5) Device and Location Independence
 6) Maintenance
 7) Low Cost
Cloud Computing Architecture
 As we know, cloud computing technology is used by both
small and large organizations to store the information in
cloud and access it from anywhere at anytime using the
internet connection.
 Cloud computing architecture is a combination of service-
oriented architecture and event-driven architecture.
 Cloud computing architecture is divided into the following two
parts -
 Front End
 Back End

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Introduction to Cloud Computing.pptx

  • 2. Introduction Cloud computing is a virtualization-based technology that allows us to create, configure, and customize applications via an internet connection. The cloud technology includes a development platform, hard disk, software application, and database.
  • 3. What is Cloud Computing  The term cloud refers to a network or the internet.  It is a technology that uses remote servers on the internet to store, manage, and access data online rather than local drives.  The data can be anything such as files, images, documents, audio, video, and more.
  • 4. Why Cloud Computing?  Small as well as large IT companies, follow the traditional methods to provide the IT infrastructure. That means for any IT company, we need a Server Room that is the basic need of IT companies.  In that server room, there should be a database server, mail server, networking, firewalls, configurable system, high net speed, and the maintenance engineers.  To establish such IT infrastructure, we need to spend lots of money. To overcome all these problems and to reduce the IT infrastructure cost, Cloud Computing comes into existence.
  • 5. Characteristics of Cloud Computing  1) Agility  2) High availability and reliability  3) High Scalability  4) Multi-Sharing  5) Device and Location Independence  6) Maintenance  7) Low Cost
  • 6. Cloud Computing Architecture  As we know, cloud computing technology is used by both small and large organizations to store the information in cloud and access it from anywhere at anytime using the internet connection.  Cloud computing architecture is a combination of service- oriented architecture and event-driven architecture.  Cloud computing architecture is divided into the following two parts -  Front End  Back End
  • 7. The below diagram shows the architecture of cloud computing - Front End The front end is used by the client. It contains client-side interfaces and applications that are required to access the cloud computing platforms. The front end includes web servers (including Chrome, Firefox, internet explorer, etc.), thin & fat clients, tablets, and mobile devices. Back End The back end is used by the service provider. It manages all the resources that are required to provide cloud computing services. It includes a huge amount of data storage, security mechanism, virtual machines, deploying models, servers, traffic control mechanisms, etc.
  • 8. Components of Cloud Computing Architecture Here are the following components of cloud computing architecture - 1. Client Infrastructure  Client Infrastructure is a Front end component. It provides GUI (Graphical User Interface) to interact with the cloud. 2. Application  The application may be any software or platform that a client wants to access. 3. Services  A Cloud Services manages that which type of service you access according to the client’s requirement.
  • 9. Types of Cloud There are the following 4 types of cloud that you can deploy according to the organization's needs-
  • 10. Public Cloud Public cloud is open to all to store and access information via the Internet using the pay-per-usage method. In public cloud, computing resources are managed and operated by the Cloud Service Provider (CSP). Example: Amazon elastic compute cloud (EC2), IBM SmartCloud Enterprise, Microsoft, Google App Engine, Windows Azure Services Platform.
  • 11. Private Cloud Private cloud is also known as an internal cloud or corporate cloud. It is used by organizations to build and manage their own data centers internally or by the third party. It can be deployed using Opensource tools such as Open stack and Eucalyptus
  • 12. Hybrid Cloud Hybrid Cloud is a combination of the public cloud and the private cloud. we can say: Hybrid Cloud = Public Cloud + Private Cloud Hybrid cloud is partially secure because the services which are running on the public cloud can be accessed by anyone, while the services which are running on a private cloud can be accessed only by the organization's users.
  • 13. Community Cloud Community cloud allows systems and services to be accessible by a group of several organizations to share the information between the organization and a specific community. It is owned, managed, and operated by one or more organizations in the community, a third party, or a combination of them.
  • 14. Difference between public cloud, private cloud, hybrid cloud, and community cloud - Parameter Public Cloud Private Cloud Hybrid Cloud Community Cloud Host Service provider Enterprise (Third party) Enterprise (Third party) Community (Third party) Users General public Selected users Selected users Community members Access Internet Internet, VPN Internet, VPN Internet, VPN Owner Service provider Enterprise Enterprise Community
  • 15. 3. Service  A Cloud Services manages that which type of service you access according to the client’s requirement. Cloud computing offers the following three type of services:
  • 16. Infrastructure as a Service (IaaS) IaaS contains the basic building blocks for cloud IT. It typically provides access to networking features, computers (virtual or on dedicated hardware), and data storage space. IaaS gives you the highest level of flexibility and management control over your IT resources. It is most similar to the existing IT resources with which many IT departments and developers are familiar.
  • 17. Platform as a Service (PaaS) PaaS removes the need for you to manage underlying infrastructure (usually hardware and operating systems), and allows you to focus on the deployment and management of your applications. This helps you be more efficient as you don’t need to worry about resource procurement, capacity planning, software maintenance, patching, or any of the other undifferentiated heavy lifting involved in running your application.
  • 18. Software as a Service (SaaS) SaaS provides you with a complete product that is run and managed by the service provider. In most cases, people referring to SaaS are referring to end- user applications (such as web-based email). With a SaaS offering, you don’t have to think about how the service is maintained or how the underlying infrastructure is managed. You only need to think about how you will use that particular software.