Advantage & disadvantage
Types of cloud computing
Characteristics of cloud computing
Future of Cloud Computing
An environment created in user’s machine from an on-
line application stored on the cloud and run through a
Cloud computing is creating a fundamental change in
computer software and its tools development, and of
course in the way we store, distribute and consume
Cloud computing is type of computing that relies on
sharing computing resources rather than having local
server or personal devices to handle application.
e.g. network, servers ,storage, application and services
Infrastructure as a Services (IaaS)- Network Architects
Platform as a Services (PaaS)-Application Developers
Software as a Services (SaaS)-End Users
Also known as hardware as a service.
Is a computing power that you can rent for a limited
period of time.
Allows existing application to be run on cloud
Cloud providers offer computer-as physical or more
often as virtual machines-raw(block)storage , firewalls
, load balancers, and network.
Gives us nice APL(Application Programming
Interface) and take care of the implementation.
In the PaaS model, cloud provides a computing
platform or solution stack typically including
operating system, programming language execution
environment, database, and web server.
Is the platform for developers to write and create their
own SaaS i.e. Application.
Which means rapid development at low cost.
E.g.Salesforce.com, window Azure.
Saas is a software distribution model in which application
are hosted by the vendor or service provider and made
available to customer.
Saas is an application that can be accessed from anywhere
in the world as long as you can have an computer with an
We can access this cloud hosted application without any
additional hardware or software.
Saas is closely related to ASP and on demand computing
software delivery models.
E.g: G-mail , yahoo mail , Hotmail etc….
1.Pooled ComputingAdvanced Virtualization
2.Delivered Over The
Only For They Use
5.Provide Resources As a
Owned & managed by service
Delivers select set business
process, application or
infrastructure on a “pay per uses”
Limited customization option
Access from “outside” the firewall
Owned & managed by the
Limited access to enterprises &
Retain high degree of
control,privacy & security
Enable business to more easily
Access from “inside” the firewall
A hybrid infrastructure takes advantage of both public &
Services provided over the internet-the public cloud
Services provided by the enterprises data center-the
The use of cloud computing is growing, and by 2016 this growth will increase
to become the bulk of new IT spend, according to Gartner, Inc. 2016 will be a
defining year for cloud as private cloud begins to give way to hybrid cloud, and
nearly half of large enterprises will have hybrid cloud deployments by the end
Gartner describes cloud computing as a style of computing in which scalable
and elastic IT-enabled capabilities are delivered “as a service” using Internet
“In India, cloud services revenue is projected to have a five-year projected
compound annual growth rate (CAGR) of 33.2 percent from 2012 through 2017
across all segments of the cloud computing market.
Mr. Howard said that private cloud gets a lot of attention and is today the
most popular form of cloud across various sectors.
Ed Anderson research director at Gartner said. “Cloud computing continues
to grow at rates much higher than IT spending generally. Growth in cloud
services is being driven by new IT computing scenarios being deployed using
cloud models, as well as the migration of traditional IT services to cloud
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