Cloud computing is defined as a computer model that enables fast and with minimal effort the access, which is made on demand, from a network to a common storage computing resources.

1. Introduction to Cloud Computing
Department of CSE
Hamdard University Bangladesh

2. Cloud Computing
Cloud computing is defined as a computer model that enables fast and with
minimal effort the access, which is made on demand, from a network to a
common storage computing resources.
Instead of running an e-mail program on your computer, you log in to
a Web e-mail account remotely. The software and storage for your account
doesn't exist on your computer - it's on the service's computer cloud.
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3. 1. Broad network access
2. Measured Service
3. Multi-tenancy
4. On-demand self-service
5. Rapid elasticity and scalability
6. Location independent resource pooling
Characteristics
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4. History
• Concept evolved in 1950(IBM) called RJE (Remote Job Entry
Process).
• In 2006 Amazon provided First public cloud AWS(Amazon Web
Service).
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5. Grid to Cloud Evolution
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6. i) Essential building block for several Cloud base services.
ii) Virtualization: Simulating a hardware platform, operating system, storage
device or network resources.
iii) Virtual Machine: VMWare, XenSource
iv) Virtual file system.
Enabling Technologies for Cloud Computing
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7. Virtualization Overview
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8. Cloud Service Models
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9. Cloud Computing Services
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10. Cloud Computing Services User View
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15. i) Public cloud: The simplest way to describe a public cloud is an infrastructure that
is used by the public and provided by a government, organization or other
companies.
ii) Private cloud: A private cloud is used exclusively by an organization and the
cloud provider is either the organization themselves or a third party .
iii) Hybrid cloud: A hybrid cloud is an infrastructure that combines public and
private clouds. It consists of a composition of two or more clouds.
iv) Community cloud: A community cloud is used by a community of consumers
from various organizations that share common views. This particular setup may be
controlled and maintained by a third party or by the organizations themselves.
Types of Cloud
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19. Thanks