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What is cloud networking and how does it work?

Updated: May 11, 2022

What is cloud networking and how does it work?

Cloud networking

Cloud networking is an IT infrastructure in which some or all of an organization's networking resources are housed in the cloud, whether in a public cloud, a private cloud, or a hybrid cloud combination.

Businesses can establish complicated networks using only an internet connection by hosting networking resources in the cloud, which can include virtual routers, network management software, bandwidth, firewalls, and other tools as needed.

The ability of a cloud customer or cloud service provider to design, build, and administer the underlying network in a cloud service is referred to as cloud networking. This allows an organization's network administration, control, and data communication to be moved to cloud infrastructure.

The following are examples of networking resources or services that can be hosted in the cloud:

· connection virtual routers network management software

· bandwidth content delivery networks (CDNs) virtual private network (VPN) domain name system firewalls load balancers (DNS)

· A wide range of network security measures are available from cloud providers. Other possibilities include distributed denial of service (DDoS) security services and AI-driven network monitoring tools for threat identification, in addition to firewalls.

Cloud networking types

Cloud-enabled networking and cloud-based networking are the two basic types of cloud networking.

Cloud-enabled networking is a cloud networking technique in which the customer's network architecture is on-premises, but some or all of the other network resources utilized for administration are in the cloud. Core network infrastructure, such as packet forwarding and routing, would, for example, remain on premises, while network administration, monitoring, and security services maintenance may be outsourced to the cloud.

Another technique is cloud-based networking, in which the entire network is hosted in the cloud. This procedure is used to establish connectivity between cloud-based resources and applications.

What is cloud networking and how does it work?

Cloud networking architectures should, in general, provide for centralized management, control, and visibility.

Cloud networking is built with cloud-based services and is configured differently depending on the type of cloud service. Architects, for example, have more choice when it comes to overall design with a private cloud. This is due to the fact that the cloud provider is responsible for all of the underlying hardware and software that the cloud is built on.

Customers can only handle and manage networking in infrastructure as a service (IaaS) deployments in public clouds. The customer has no control over network functions with software as a service (SaaS) and platform as a service (PaaS), as they are totally managed by the service provider. IaaS is the ideal alternative for enterprises that need to configure components of their network in the public cloud.

There is a distinction between public and private clouds.

The contrasts between public and private clouds are depicted in this diagram.

Instead, a hybrid cloud architecture could be used by a company. Some apps, data, and services will remain on-premises, while others will be migrated to an IaaS provider. For enterprises using this strategy, the ideal case would be to replicate the network Internet Protocol (IP) space, regulations, and processes currently in place in their own data centers.

Some firms may even take it a step further by implementing a multi-cloud architecture, which combines various cloud service providers. From both an operational and cloud management standpoint, symmetry among clouds is critical in this strategy. Regardless of whether cloud an organization is in, it must be able to manage routing, access lists, load balancing, and other network tasks. Multi-cloud management tools must be purpose-built in order to build a software overlay that hides any underlying variations in configuration management between private and public clouds. The multi-cloud option is significantly more complicated than the others.


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