2. Cloud computing is the delivery of computing services over
the internet. Cloud services allow individuals and businesses
to use software and hardware that are managed by third
parties at remote location. Example of cloud services includes
online file storage social networking sites, webmail and
online business applications. The cloud computing modal
allows access to information and computer resource from
anywhere that a network connections available. Cloud
computing provides a shared pool of resources, in clouding
data storage space, network computer.
When you store your photo online instead of on your home
3. computer or use webmail or a social networking site. You are
using a cloud computing service. If you are an organization
and invoicing service instead of updating. In the house on
you have been using for many years, that online in voicing
service is a cloud computing service.
HISTORY
The history of cloud computing dates back to the 1960
When john Mc Cathy opined that computation may someday
4. be organized as a public utility.”All the modern day
characteristics of cloud computing were thoroughly explain in
Douglas park hills 1966 book”
ADVANTAGE
1-Pay-per-use modal
Pay-per-use model dilly model cloud usage policy defines
that you will be billed for cloud resources as you use them.
2-Mobility
Users can access information where use they are rather than
being depend on the infrastructure.
3-Elasticity
The cloud is elastic meaning resources software
DISADVANTAGES
1-Less control
Utilizing the public cloud in business does have an obvious
downside. By using this technology you risk losing a level of
control over your company.
2-Security and confidentiality
5. Science technology has started to expand in the exponential
ways are sacking in this day.
Types of cloud computing
Infrasture as a service (iaas)
Platform as a service (paas)
Software as a service (saas)
Infrasture as a service
The iaas layer offer storage and infrastructure resources that
is needs to deliver the cloud services
Platform as a service
Paas provides the combination of boys infrastructure and
application, hence organization using paas don’t have two
for infrastructure not for services
salesforce.com
Google
Software as a service
The cloud service providers hosts the software upon their
server it can be defined as a in model in which applications
6. and software hosts
CLOUD COMPUTING DEPLOYMENT MODEL
1-PRIVATE CLOUD
The cloud infrastructure is operated solely for an
organization in simple words. We can say that such cloud
models are dedicated to third party who wishes to use.
2-PUBLIC CLOUD
The cloud infrastructure in made available to the general
public or a large industry group and is owned by the cloud
computing
3-HYBRID CLOUD
7. It is a combination of two or more clouds (private,
community or public)
4-COMMUNITY CLOUD
This cloud infrastructure is shared by several organizations
referring to the NIST definition of cloud computing (peter
Mell and Time Grace)
TOP TEN COMPANIES
1-IBM CLOUD
IBM cloud includes infrastructure as a service, software as a
service and form as a service offered through public, private
8. and hybrid cloud delivery models.
2-MICROSOFT CLOUD SERVICES
This company is good in this includes one drive, office
365.As a good storage the most accepted cloud storage
service.
3-AMAZON ELASTIC COMPUTER CLOUD
Amazon elastic cloud (Amazon Ec2) is a web service. And its
used some hackers.
9. 4-CITRIX CLOUD PLATFORM
Citrix cloud platform powered by apache cloud stack is the
industry’s only future proofed, application centric cloud
solution proves to reliably.
5-JOYENT CLOU D
Joyent was chosen by Dell for supporting its own cloud ware.
6-BLUELOCK CLOUD SERVICES
The company projects itself as a data recovery service.
10. It’s also offer Iaas
7-VERIZON CLOUD
This is might come a surprise for many Verizon basically
telecom company an offer demand video etc.
8-SALES FORCE CLOUD
Sale force is a known and it recently acquired. The company
that offer and ever expending Ruby platform and greater
11. flexibility make it applies to business houses.
9-RACK SOACE CLOUD
It provides that run their offering mainly on open space
coad .The interest in apps related to cloud rack space offers
all three service saas, paas and laas.
10-GOOGLE CLOUD PLATFORM
Build and hast the backend for any mobile app. With and
infrestructure that is managed automatically, you can focus
on your app. It in uses push notification proximity search,
data processing, static content serving, data storage.
