WHAT IS CLOUD COMPUTING IN SIMPLE WAY AND THEIR SIMPLE TYPES
Cloud
computing is the on demand availability computer system resources, especially
data storage and computing power, without direct active management by the user.
Information and data is stored on physical or virtual servers, which are
maintained and controlled by a cloud computing provider, such as Amazon, and
their AWS products.
Cloud
computing is nothing but storing and accessing data like your images, videos,
documents etc. Cloud -based storage makes it possible to save files to a remote
database and retrieve them on demand. The “cloud” is a term that simply means
“the internet”. Computing involves the infrastructures and systems that allow a
computer to run and build, deploy, or interact with information.
TYPE OF CLOUD COMPUTING SERVICES
INFRASTRUCTURE AS A SERVICE (IAAS)
The first cloud computing type is infrastructure as a service (LAAS) , which is used for internet based access to storage and computing power. Technically, the LAAS market has a relatively low barrier of entry but it may require substantial financial investment in order to build and support the cloud infrastructure. Mature open source cloud management frameworks like open stack is available to everyone and provide strong a software foundation for companies that want to build their private cloud or become a public cloud provider. LAAS lets you rent IT infrastructure servers and virtual machines, storage, networks and operating systems from a cloud provide on a pay -as-you go basis
Examples
of infrastructure as –a-service (lass) companies are Amazon, Rackspace,
Flexiscale.
PLATFORM AS A SERVICE (PAAS)
PASS is a
cloud computing service that provides developers with a framework that can be
used for building custom applications. Platform as a service lets software
developers build custom applications online without having to worry about data
storage, data serving and management. PASS doesn`t replace a business entire
infrastructure but instead, a business relies on PAAS providers for key
services, such as java development or application hosting. There is no need to
invest in physical infrastructure or in expertise required to manage it. The
ability to rent virtual IT infrastructure brings in great cost benefits for the
users.
Example of
which are Google app engine, Microsoft azure, salesforce.
Software as a service which is used for web based applications. SAAS is a method for delivering software applications over the internet where cloud providers host and manage the software applications making it easier to have the same application on all of your devices at once by accessing it in the cloud.as opposed to buying licensed programs, often very expensive. The SAAS provider manages the infrastructure, operating system middle-ware, and data necessary to deliver the program, ensuring that the software is available whenever and wherever customers need it SAAS applications allow companies to get up and running very quickly as well as scale operations rapidly. There`s no need to purchase or deploy the hardware and software used to deliver their business services. Examples of such services include widely used Gmail, Google docs,Netflix.
TYPE OF CLOUD COMPUTING
PUBLIC CLOUD
Public clouds are owned and operated by a
third-party cloud service providers, which deliver their computing resources
like servers and storage over the internet’s public cloud is available to
anyone who wants to use or purchase it. The benefits include public cloud can
be deployed faster and is infinitely scalable; no lower costs; no maintenance;
and high reliability. While security concerns have been raised about public
cloud, when set up properly, it can be as safe as a private cloud.
Example of
public cloud includes Google drive and drop box.
Private
cloud is defined by Gartner “as a form of cloud computing that is used by only
one organization or that ensures that an organization is completely isolated
from others. “
Private cloud
provides computing services to a private internal network and selected users
instead of the general public. HP data centers, Microsoft, Elastra -private cloud,
and Ubuntu are the example of a private cloud. The owner of a private cloud
maintains complete control, not only can organization ensure tighter security ,
they also benefit from better availability and more up-time than a public cloud
can offer.
Hybrid
cloud is a solution that combines a private cloud with one or more public cloud
services with proprietary software enabling communication between each distinct
service. Hybrid clouds have a number of users. An organization may use their private
cloud for some services and their public cloud for others or they may use the
public cloud as backup for their private cloud.
No comments:
Post a Comment