The document presents an overview of cloud computing by Mahfuzur Rahman Faruk from the Department of Computer Science at Green University of Bangladesh. It defines cloud computing as computing resources delivered over the internet on demand. The characteristics include on-demand self-service, network access flexibility, and shared resources. The cloud service models of SaaS, PaaS, and IaaS are also defined. Finally, the advantages of cloud computing are listed as lower costs, improved performance, unlimited storage, and the ability to access software from anywhere.

1. Presented By –
Mahfuzur Rahman Faruk
Dept. of CSE
Green University of Bangladesh

2. Contains
 Introduction
 Characteristics of CloudComputing
 Cloud service models
 Advantagesof CloudComputing

3. Introduction

4. What is CloudComputing?
CloudComputing
Computing and software resourcesthat
are delivered on demand, as service..

5. What is CloudComputing?
“Cloud computing is a style of computing where
massively scalable IT-related capabilities areprovided
as a service across the Internet to multiple external
customers”
“CloudcomputingisWeb-
basedprocessing,wherebyshared
resources,software, andinformationare
providedto computersandother devices(such
assmartphones)ondemandoverthe Internet.”

7. Characteristics of CloudComputing

8. Essential characteristics of CloudComputing
Cloud
Computing
On-demand
self-service
Network
accessFlexibility
Shared
Recourse

9. Cloud servicemodels

10. Cloud Service models -Definitions
• Saas is asoftware delivery methodology thatprovides
licensed multi-tenant accessto software and its
functions remotely asaweb-based service.
SaaS
• PaaS provides all of the facilities required to support
the complete life cycle ofbuilding and delivering
web applications and services entirely from the
Internet.
PaaS
• IaaS is the delivery of technology infrastructure as
an on demand scalableservice.IaaS

11. Advantages of CloudComputing

12. Advantages of CloudComputing
• Lower computing cost
• Improved performance
• Reduced software cost
• Instant softwareupdates
• Unlimited storagecapacity
• Increased data reliability
• Device independence and the “always on!, Anywhere and
any place”
• Freefrom maintenance and the “no-need-to-know”

13. Thankyou All
you!