explaininig some knowlwdge of cloud computing topics. that what is it, how it works, internal architecture and all

2. CONTENTS
 Introduction
 What is Cloud Computing?
 Cloud Computing Technology
 Cloud architecture
 Advantages
 Applications
 Cloud Deployment model
 Cloud service models
 Cloud service providers
 Cloud computing Challenges
 Future
 Conclusion
 References
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3. Definition
 Cloud computing is Internet based computing where virtual shared servers
provide software, infrastructure, platform, devices and other resources.
 hosting to customers on a pay-as-you-use basis.
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4. Cloud Computing Technology
 Virtualization
 Virtual versions of Storage, Network, Resources.
 Multiple instances by Hypervisor software.
 SOA (Service Oriented Architecture)
 Providing of combing services.
 It uses some protocols to combine services.
 Utility Computing
 It provides on demand resources via API.
 minimizes cost, greater flexibility and easy to manage
 Grid Computing
 Combining various different computing resources from multiple locations.
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5. Cloud Computing Architecture
Front End
Back End
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6. Advantages of Cloud Computing
 Cost – Transform Capital Expenditure for servers into and operating expenses.
 Multi-tenancy – Several customer share the same infrastructure.
 Scalability – “On-demand” provisioning of Computing resources.
 Wide reach – Users can access n number of services.
 Accessibility – Device and Location independence.
 Maintenance – Upgrades are applied centrally and done by IT experts.
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7. Cloud Applications
Social Applications
Google Apps
Video Streaming
Government
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8. Cloud Computing Services
 Software as a service (SaaS)
 Platform as a service (PaaS)
 Infrastructure as a service (IaaS)
 In 2012, Network as a service (NaaS) and Communication as a service (CaaS) were
officially included.
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9. Software as a Service (SaaS)
 It hosts various software applications and makes them available to customers
over the Internet or other network.
 ex : Email, Gdrive, Facebook
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10. Platform as a Service (PaaS)
 It gives a possibility to run, create or test various applications by using provider's tools over
the internet.
 The consumer has no rights to manage or control the cloud infrastructure (storage, servers,
platforms, etc.), but is able to configure application hosting environment and the installed
applications.
 ex : Microsoft Azure, Google App Engine
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11. Infrastructure as a service (IaaS)
 It is a way to rent storage, hardware, servers and network capacity over the
Internet.
 The service provider owns massive computer resources and is responsible for
running and maintaining them.
 Ex : AWS
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12. IaaS PaaS SaaS
On premise
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13. Cloud Deployment models
 Public Cloud
 Private Cloud.
 Community Cloud
 Hybrid Cloud
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14. Public Cloud
 A public cloud is a standard cloud computing model wherein a service provider
manages storage and computing resources on behalf of consumer over the Internet.
 e.g.- Amazon Elastic Compute Cloud (EC2), IBM's Blue Cloud, Sun Cloud, Google
AppEngine and Windows Azure Services Platform.
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15. Private Cloud
 provides hosted services to authorized users behind a company firewall.
 company has control over resources, data, security and QoS.
 Benefits of going with private cloud is increased control and monitoring of resources,
flexibility of customization, ability to recover from failure, and the ability to scale up or
down depending upon demand.
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16. Community Cloud
 Community cloud shares infrastructure between several organizations from a specific
community
 whether managed internally or by a third-party and hosted internally or externally.
15

17. Hybrid Cloud
 Ability to connect collocation, managed and/or dedicated services with cloud
resources
 Companies able to obtain degrees of fault tolerance combined with locally immediate
usability without dependency on internet connectivity.
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18. Cloud Service Providers
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19. AWS Cloud storage and Networking
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Cloud Watch
SMS
SES
SQS
Cloud Front
Identity and Access Management (IAM)
Amazon Simple Storage Service (S3)
Amazon Elastic File System (EFS)
Amazon Elastic Block Store (EBS)
Relational Database (RDS)
DynamoDB
Elastic cache
Key Management Service (KMS)
RedShift
Lambda
Virtual
Private
Cloud
(VPC)
Route53
Direct Connect
API Gateway
Elastic Load Balancer (ELB)

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21. Cloud Computing Challenges
 Data privacy and confidentiality
 Danial of Service (DOS) Attack(flooding of service with so much traffic)
 Hacked Interface and API’s
 Vendor Lock-in
 Lack of expertise in knowledge
 Immature Technology
 Data Breach (Hacking of data)
 Accidental exposure of credentials
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22. Future of cloud computing
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 Expansion of Data Storage Capacities
 Advanced Security
 IoT (Internet of Things)
 Multi cloud
 Edge Computing over data center
 Artificial Intelligence
 Serverless Computing
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23. Conclusion
 Today it is possible to store and share data by accessing systems such as email accounts,
Google docs, iTunes, and many other applications.
 Different generations more easily pick up on the way the cloud works and can share that
information in the future.
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24. References
 IBM –
What is Cloud Computing? | IBM
 TECHRARGET –
What is Cloud Computing? Everything You Need to Know (techtarget.com)
 Chen, D., & Zhao, H. (2012, March). Data security and privacy protection issues in
cloud computing. In Computer Science and Electronics Engineering (ICCSEE), 2012
International Conference on(Vol. 1, pp. 647-651). IEEE.
 EDUCBA –
Career In Cloud Computing | Education, Career Opportunity and Jobs (educba.com)
 AWS-
AWS Documentation (amazon.com) 23