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What is Hybrid Cloud | Architecture and Benefits of Hybrid Cloud

Hybrid cloud is the computing environment that combines the public cloud and a private cloud by allowing the data and applications to be shared between them. Hybrid cloud is the cloud computing environment that uses the mix of on-premises, private cloud, and third-party, public cloud services with orchestration between the two platforms.

By permitting the workloads to move between the private and public clouds as computing needs and costs change, the hybrid cloud gives enterprises more prominent flexibility and more data deployment.

What is Hybrid Cloud

When computing and processing demand varies, hybrid cloud computing gives corporations the ability to seamlessly scale their on-premises environment up to the public cloud to manage any overflow without giving the third-party datacenters access to the whole data.

Big companies like Netflix or Government Institutions like the CIA gain the flexibility and computing power of a public cloud for basic and non-sensitive computing tasks while keeping business-critical apps and data on-premises, safely behind a company firewall.

Private clouds and on-premise environments allow companies greater control over their computing resources, as well as security. The institution manages all of the infrastructures, and they can customize it to match its particular needs.

Public clouds, on the other hand, offer scalability and are easier to manage, because the cloud provider takes care of the maintenance of the infrastructure. Using the public cloud is cheaper, but it may provide less flexibility and control over critical factors such as storage security.

Private Cloud vs. Public Cloud

The cloud is just a collection of purpose-built servers.

In the private cloud, the servers are dedicated to a single tenant or a group of related tenants.

In the public cloud, the servers are shared between multiple unrelated tenants (customers).

A public cloud is off-site, while the private cloud can be on-site or off-site or, in common IT tongue, on-prem or off-prem.

A company might set up the rule that says all accounting files that have not been touched in the last year are automatically moved off-prem to cloud storage to save cost and reduce the amount of storage needed on-site.

The files are still available; they are just no longer saved on your local systems. The rules can be defined to match the organization’s workflow and data retention policies.

The hybrid cloud concept also contains cloud computing. For example, at the end of the quarter, order processing app instances can be spun up off-premises in a hybrid computing cloud as needed to add to the on-premises volume.

Why use Hybrid Cloud

We’ve arrived at the bottom line, and the question is, should you or your organization embrace hybrid cloud infrastructures?

According to 451 Research, by 2019, 69% of companies will operate in hybrid cloud environments, and 60% of workloads will be running in some form of hosted cloud service (up from 45% in 2017). That indicates that the benefits of the hybrid cloud appeal to a broad range of companies.

Depending on an organization’s requirements, there are advantages to a hybrid solution.

While it might have been possible to dismiss the hybrid cloud in the early days of the cloud as nothing more than a buzzword, that’s no longer true.

The hybrid cloud has grown beyond the marketing hype to offer practical solutions for an increasingly complicated and confronting IT environment.

If an organization approaches the hybrid cloud with sufficient planning and a structured approach, a hybrid cloud can perform on-demand flexibility, enable legacy systems and applications with new capabilities, and become an agitator for digital transformation.

The result can be an elastic and responsive infrastructure that can quickly adjust to the growing demands of the business.

What Hybrid Cloud does

All hybrid clouds should the following things.

  1. Connect multiple computers through a network.
  2. Connect IT resources.
  3. Scale-out and quickly provision new resources.
  4. Be able to move workloads between environments.
  5. Incorporate a single, unified management tool.
  6. Harmonize processes with the help of automation.

Understand Hybrid cloud architecture

The architecture of a hybrid cloud typically includes an Infrastructure-as-a-Service (IaaS) platform.

The leading IaaS platforms are Amazon Web Services (AWS), Microsoft Azure, and Google Cloud Platform.

A private cloud is one in which resources are. These can be stored on-premises or off-premises.

Lastly, a hybrid cloud requires a wide area network (WAN) to connect the public and private clouds.

Building a hybrid cloud requires the availability of the following components.

  1. Public infrastructure as a service (IaaS) platform, such as Amazon Web Services, Microsoft Azure, or Google Cloud Platform.
  2. The formation of a private cloud, either on-premises or through a hosted private cloud provider.
  3. And adequate wide area network (WAN) connectivity linking those two environments.

Separate clouds become the hybrid cloud when those clouds are connected as seamlessly as possible. That interconnectivity is the only approach hybrid clouds work, and it’s why hybrid clouds are the basis of edge computing. That interconnectivity is how workloads are moved, management is centralized, and processes are organized.

How well-developed those interconnections are, has a direct influence on how well your hybrid cloud works.

However, the companies have no direct control over the architecture of a public cloud, so, for hybrid cloud deployment, it must build its private cloud to address compatibility with the desired public cloud or clouds. These include the implementation of compatible hardware within the data center, including servers, storage, local area network (LAN), and load balancers.

The company must then deploy the virtualization layer, or a hypervisor, to create and support the virtual machines (VMs) and, in some cases, containers like Docker.

Then, IT teams must install the private cloud software layer, such as OpenStack, on top of a hypervisor to deliver the cloud capabilities, such as self-service, automation and orchestration, reliability and resilience, billing and chargeback.

A private cloud architect will typically create the menu of local services, such as compute instances or database instances, from which the clients can choose.

The key to creating a successful hybrid cloud is to select the hypervisor and cloud software layers that are compatible with the required public cloud, ensuring proper interoperability with that public cloud’s application programming interfaces (APIs) and services.

The implementation of cooperative software and services also allows instances to migrate seamlessly between the private and public clouds.

A developer can also create the advanced applications using the mix of services and resources beyond the public and private platforms.

When to use Hybrid Cloud

A hybrid cloud’s architecture presents companies with a balanced solution between the public cloud and the private or on-premise environment.

It could be the correct solution for a business that requires substantial agility. This can happen when the company has a diverse client base with a different security, regulatory, and processing needs.

In today’s regulatory climate change, this may be especially relevant. Also, it allows you to run SaaS solutions that can only be used on the secure private networks.

Hybrid cloud architecture is also the correct solution for an organization that does not want to compromise on the advantages provided by the public and private clouds.

Moreover, a hybrid cloud is a strategic way as it prevents you from being locked into a single vendor.

As your infrastructure will already be split between the two systems, it will be easier to migrate to a different public cloud when the better model enters the market.

Hybrid cloud management tools

Cloud Management tools such as the RightScale Cloud Management, Cisco CloudCenter, Egenera PAN Cloud Director, and Scalr Enterprise Cloud Management Platform help companies managed workflow creation, service catalogs, billing, and other jobs related to hybrid cloud.

Moreover, hybrid cloud management tools include BMC Cloud Lifecycle Management, Red Hat CloudForms, VMware vCloud Suite, IBM Cloud Orchestrator, and Abiquo Hybrid Cloud.

Given the absolute volume of potential tools available, potential adopters need to test and assess candidates carefully in their hybrid cloud environment before committing to any singular tool.

Hybrid cloud benefits

Flexibility and scaling

Hybrid solutions allow you to store the sensitive and frequently used data in your private cloud or data center, while saving other data, such as file backups and archives, on the public cloud.

A hybrid solution also provides you with coordination in case you need to increase or decrease your resources as needed on short notice.

If you suddenly need extra storage space for the few months due to increased seasonal demands, you can purchase the extra space on the public cloud with a short notice and without requiring to invest in servers that you only need temporarily.


The cost of running and maintaining a private cloud or data center can increase quickly, especially as a business grows.

A hybrid cloud solution allows you to take the advantage of the relatively cheap public cloud storage space, while still using the private cloud for data that is frequently used or sensitive.

While a hybrid cloud infrastructure is more expensive than just using the public cloud, it is considerably cheaper than using a private cloud singularly.


A hybrid infrastructure provides a company to maintain its legacy on-premise servers while mixing with the public cloud in a way that is not disruptive to daily functions. This can be done by progressively integrating with the public cloud while managing the most critical operations from the private cloud.

Disadvantages of Hybrid Cloud

Less control over data security

You never know where and under what geographic or other restrictions your data is operating.

Higher operational expenditure (OPEX)

As you scale the cloud performance, your cost-per-hour fees rise. You have to allocate a big budget to maintain cloud operations.

High-performance app

An application that requires the greatest possible speed might not be suitable for hybrid, depending on the particular cloud implementation. While latency does present a factor in the data storage for some clients, it is less of a factor for uploading and downloading the data than it is for companies using the hybrid cloud for cloud computing.


Hybrid cloud refers to the cloud environment made up of the mixture of on-premises private cloud resources combined with a third-party, public cloud resources that use some orchestration among them.

Depending on whom you ask what is Hybrid cloud, those hybrid clouds setup may need to include:

  1. At least one private cloud and at least one public cloud.
  2. Two or more private clouds.
  3. Two or more public clouds.
  4. A bare-metal or the virtual environment connected to at least one cloud: public or private.

Finally, you would need to bridge the gap between the public cloud to the private cloud. This was typically done using the complex network of LANs, WPNs, APIs, and VPNs. Many cloud service providers even give clients a preconfigured VPN as part of their subscription packages such as:

Are you currently embracing a hybrid cloud, or are you still uncertain or hanging back because you are satisfied with how things are now? Maybe you’ve gone hybrid.

We would love to hear your comments below on how you’re dealing with the hybrid cloud.

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