Introduction
Cloud
computing is the delivery of computing services including server, storage,
databases, networking and software-over the internet. It allows user to access
these resources on demand, paying only for what they use, rather than investing
in and maintaining their own physical infrastructure. This provides
flexibility, scalability and cost saving for businesses and individual. Cloud
computing is pivotal in our everyday lives, whether that means to access a
cloud application, such as Google Gmail. Cloud computing has also become
indispensable in business settings from small startups to global enterprises.
It provides the vast computing power.
Benefits of cloud computing
Cloud
computing offers many benefits, including:
Cost-effectiveness
Increased
speed and agility
Unlimited
scalability
Enhanced
strategic value
Cost-effectiveness
Cloud
computing lets you offload some or all the expenses and effort for purchasing,
installing, configuring and managing mainframe computers and other on premises
infrastructure. You can pay for cloud-based infrastructure and other computing
resources as you use them.
Increased speed and agility
With
cloud technologies, your organization can use enterprise applications in
minutes instead of waiting weeks or months for IT to respond to a request
purchase and configure supporting hardware and install software. This feature
empower users and others developments team to help use cloud-based software and
support infrastructure.
Unlimited scalability
Cloud
computing provides elasticity and self-service provisioning, so instead of
purchasing excess capacity that sits unused during slow periods, you can scale
capacity up and down in response to spikes and dips in traffic. You can also
use your cloud provider’s global network to spread your applications closers to
users worldwide.
Enhanced strategic value
Cloud
computing enables organizations to use various technologies and the most
up-to-date innovations to gain a competitive edge. For instance, in retail,
banking and others customer facing industry, generative AI-powered virtual
agents deployed over the cloud can deliver better customer response time and
free up teams to focus on higher-level work. In manufacturing, teams can
collaborate and use cloud-based software to monitor real-time data across
logistics and supply chain processes.
Characteristics of cloud computing
There
are many characteristics of cloud computing here are few of them:
Rapid elasticity
The
computing services should have IT resources that are able to scale out and in
quickly on a need basis. Whenever, the users require services it is provided to
him and it is scale out as soon as its requirements get over.
Measured service
The
resource utilization is tracked for each application and occupant; it will
provide both the user and the resource provider with an account of what has
been used. This is done for various reasons like monitoring billing and
effective use of resource.
Sustainability
Clouds
providers are increasingly focused on sustainable practices, such as energy efficient
data centers and the use of renewable energy sources to reduce their
environment impact.
Resource pooling
The
IT resource (e.g. network, storage, applications and services) present are
shared across multiple applications and occupant in an uncommitted manner.
Multiples clients are provided service from a same physical resource.
Resilient computing
Cloud
computing services are typically designed with redundancy and fault tolerance
in mind, which ensures high availability and reliability.
Types of cloud computing
The
following are the types of cloud computing is also known as cloud development
models as follow:
Public
cloud
Private
cloud
Community
cloud
Hybrid
cloud
Multi
cloud
Public cloud
Public
cloud are managed by third-parties which provides cloud services over the
internet to the public, these services are available as pay-as-you billing
models. They offer solutions for minimizing IT infrastructure cost and become a
good option for handling peak loads on the local infrastructure. Public cloud
is the go to option for small enterprises, which can start their business
without large upfront investments by completely relying on public
infrastructure for their IT needs. The fundamental characteristics of public
clouds are multi-tenancy. A public cloud is meant to serve multiples users, not
a single customers. A user requires a virtual computing environment that is
separated, and most likely isolated, from other users. For example, Amazon EC2,
IBM and GCP.
Advantages of public cloud
· Public cloud is easy to scale up and down resources as per the demand of traffic and work load. It facilitates with the performance optimization and cost efficiency.
It works on as pay-as-you cloud models and helps in resolving the investments needs in hardware and infrastructure reducing overall costs.
Disadvantages of public cloud
· It is difficult to trust and maintain data to a third-party provider may raise concerns about control and ownership.
Public cloud comes with limited transparency, about the underline infrastructure which may take it challenging to monitor and manage performance effectively.
Private cloud
Private
clouds are distributed systems that work on private infrastructure and provide
the users with dynamic provisioning computing resources. Instead of pay-as-you
go model in private clouds, there could be others schemes that manage the usage
of the cloud and proportionally billings of the different departments. Private cloud providers are HP data centers,
elastics-private cloud, Microsoft etc. For example, Openstack, Dell cloud
solutions, VMware, vCloud suite.
Advantages of private cloud
· In
the private cloud security, concerns are less since customer data and other
sensitive information do not flow of private infrastructure.
· Private
cloud provides specific operations such as clustering, data replication, system
monitoring and uptime services.
Disadvantages of private cloud
· Private
cloud is accessible within a particular area. So the area is accessibility is
restricted.
· In
the private cloud security concerns, are less since customer’s data and other
sensitive information do not flow out of private infrastructure. Hence, skilled
peoples are required to manage and operate cloud services.
Community cloud
Community
clouds are distributed systems created by integrating the services of different
cloud to address the specific needs of an industry. In the community cloud, the
infrastructure is shared between organizations that have shared concerns. An
organization may manage the cloud. For example, Nextcloud, Cloudsigma,
Owncloud.
Advantages of community cloud
· Entire
cloud is shared by numerous enterprises or a community, community cloud are
cost-effective. Public cloud is less secure than community cloud.
· Thanks
to community cloud, we may share cloud resources, infrastructure and other
capabilities between different enterprises.
Disadvantages of community cloud
· Gradual
adoption of data
· It
is challenging for corporations to share duties.
· Not
all business should choose community cloud.
Hybrid cloud
A
hybrid cloud is a heterogeneous distributed system formed by combining
facilities of the public cloud and the private cloud. For this reason, they are
also called heterogeneous cloud. A major drawback of private deployments is the
inability to scale-on-demand and efficiently addresses peak loads. Here public
clouds are needed. Hence, a hybrid cloud takes advantage of both public and
private clouds. For example, Azure Stack, Google Anthos, IBM Cloud Satellite.
Advantages of hybrid cloud
Hybrid cloud is available at a cheap cost than other clouds because it is formed by a distributed system.
It works comes up with working fast with lower cost and facilitates in reducing the latency of the data transfer process.
Disadvantages of hybrid cloud
Multi-cloud
Multi-cloud
is the use of multiple cloud computing services from different providers, which
allows organizations to use the best suited services for their specific needs
and avoid vendor lock in. This allows organizations to take advantage for
different features and capabilities offered by different cloud providers. For
example, Cloud Foundry, Red Hat OpenShift, Docker Swarm.
Advantages of Multi-cloud
· By
distributing workloads across multiple cloud providers, organizations can
improve the performance and availability for their applications and services.
· Using
multiple cloud providers, allows organizations to choose the best suited
services for their specific needs and avoid vendor lock in.
Disadvantages of Multi-cloud
· The cost of managing multiple cloud providers and services can be higher than using a single provider.
· Different
cloud providers may not be able to interoperate seamlessly, which can limit the
ability to move data and applications between them.
Conclusion
Cloud
computing is a new frontier that we have yet to fully explore and develop. It
is a new era in computer technology that will dictate the future of computer
use. Cloud computing makes very easy for companies to provides their products
with end users without worrying about hardware configurations and others
requirements of servers. Cloud computing will continue to grow and expand as
well as the need and demand for the types of the services. Cloud computing is the
on-demand availability of computing resources such as storage and
infrastructure, as services over the internet. Cloud computing gives your
business more flexibility.
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