Hybrid cloud: essence, infrastructure, opportunities
A hybrid cloud is a cloud computing environment that uses a mixture of resources from local systems, private clouds and cloud services third-party providers with coordination between these platforms. This environment typically includes a connection from an on-premises data center to a public cloud. This connection may also include other private resources such as home routers, smart sensors, automated systems and other similar technologies or additional cloud services such as storage. Now let's look at the internal structure of hybrid cloud infrastructures.
How do they work and what are hybrid clouds?
The idea of hybrid cloud computing reflects the modern understanding that IT-resources and services are an ambiguous and dynamic combination of hardware, applications, resources and services. All of these diverse assets can be managed from multiple providers and made available to the enterprise on demand from multiple global locations.
Hybrid clouds give enterprises the ability to host workloads in both private and public clouds, providing flexibility and variability in data deployment. These clouds include on-premises, cloud-based, and PaaS/SaaS applications and storage, creating complex networks of data that become increasingly complex to manage. Hybrid clouds differ from multi-cloud models, where private or on-premise components are not required. A typical hybrid cloud structure includes several common components:
- Local resources. These are one or more applications deployed in traditional on-premises enterprise data centers. These on-premises workloads are typically considered mission-critical because regulatory or business requirements may require direct control of on-premises infrastructure and data.
- Cloud resources. These are one or more applications and data stores deployed in selected regions (data centers) of public cloud providers. Typically these are less critical or less used workloads and data, and short-term or experimental deployments.
- PaaS and SaaS resources. These are one or more applications and data stores hosted by Platform as a Service (PaaS) and Software as a Service (SaaS) providers. These resources are typically used by the enterprise, but are preferably hosted and maintained by third party providers to reduce the burden on internal resources and economic costs.
- Management and interaction. The enterprise manages and interacts with public clouds through web portals and cloud provider APIs. This allows the owner to effectively manage and scale their cloud resources to meet changing business needs.
This structure provides the enterprise with greater flexibility and versatility in hosting and managing its workloads and data.
Efficient network connectivity is a key element of a successful hybrid cloud strategy. In most cases, it involves the use of a broadband network (WAN) or dedicated network services to increase security. The company should regularly evaluate its network connectivity to ensure it meets the bandwidth, latency and availability requirements set out in the service level agreement with the cloud provider.
VPN – an important part of the hybrid cloud infrastructure
Hybrid cloud very often incorporates VPN technologies to provide a secure and reliable connection between various parts of the infrastructure and cloud services, which contributes to the secure operation and efficient management of cloud resources.
VPN technology can reside within a hybrid cloud in various forms, including applications, cloud resources and web browsers. It is important to understand here that VPN is more of an infrastructure function rather than a specific application or resource. Therefore, VPN services can be integrated both into cloud applications that are used in a hybrid cloud, and into the cloud infrastructure itself to ensure safe and secure access to cloud resources.
For example, enterprises can use VPN to create an encrypted communication channel between remote employees and cloud resources , providing secure access to hybrid cloud data and applications. VPN can also be integrated into the cloud provider’s network infrastructure to provide a secure connection between the enterprise’s local network and cloud services.
Private VPN server: an effective addition to a hybrid infrastructure
A private VPN server in many cases is a functional part of a hybrid cloud. A private VPN server provides the ability to remotely access local enterprise resources through an encrypted connection via the Internet. If there is a hybrid cloud, such a server can be integrated into the overall network infrastructure to provide secure access to resources located both in the local environment and in the cloud.
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