Within the proposals to update the corporate IT network, network virtualization and SD-WAN technology have allowed organizations to overcome the problems of complexity, physical limitations, and investment of time and effort that traditional networks demand.

With those two interlinked options, overlaying one or more logically separate networks on top of a single physical network, removing its time/space constraints. Network functions can be applied where and when they are needed. In the case of SD-WAN networks, an intelligent access layer recognizes the needs of each specific resource or service. It automatically routes it (following established rules) to a specific network to guarantee high performance.

NaaS (Network as a Service) is one more step that proposes to take advantage of these new network paradigms by contracting them as services in the cloud through a subscription. Let’s see what it consists of.

Keys To Choosing A NaaS Provider

Within the initiatives to update the network to advance companies’ digitization, the network as a service joins the multiple proposals for cloud infrastructure and software offered by cloud technology providers. The growing interest in this cloud network model is understandable since a good part of its components can already be consumed as a service.

Specifically, NaaS means hiring a service that offers everything you need to deploy a network and manage it; that is, hardware, software, licenses, and support. This package can be joined by its management as an IT-managed service. In addition, NaaS services incorporate cybersecurity solutions in a SASE environment (secure access services).

The success of this type of service depends on the NaaS provider that is selected and how its installation is planned and developed. Some of the issues that must be taken into account when choosing it are:

• Determine aspects whose measurement will give us the key to its quality. This is the case of bandwidth per user, activity times, the expected performance of applications, etc.
• Stipulate SLAs that define acceptable downtime.
• Ensure the frequency with which the resources that make up the network will always be updated to have technology that adapts to IT innovation and business demands.
• Know the conditions to escalate or reduce the contracted capacities.
• Know how capabilities and performance will be measured to assess the contracted service.

Benefits Of NaaS Services

The advantages of NaaS services are many. To begin with, the ease with which companies can deploy their network needs without having to make large investments at once or wait long times making and checking configurations. Added to this is that, as we have seen, they are based on virtualization and SD-WAN technologies; that is, they have access to an automated resource that perfectly meets the speed demands of cloud deployments, which is where they are primarily directing their IT resources.

With NaaS, it is easier to use multiple clouds, with the certainty that there is no need to develop specific structures for each of them according to their requirements. In addition, it allows the incorporation of cutting-edge communication technologies such as Wi-Fi6 to achieve high-speed connectivity.

Through a simple browser, it is possible to configure the network and link the desired points (dispersed offices, remote workers.), encrypting the communications between the different local or cloud resources used. You can apply the desired access management policy and receive all kinds of logs and reports on the activity of the network or networks. Its monitoring is continuous, which guarantees its performance and safety.

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At the forefront of this movement are some of the biggest names in technology, including Microsoft or IBM. This means that not only is the market fiercely competitive, but companies have plenty of options to choose from.

Difference Between Multi-Cloud And Hybrid Cloud Environments

In addition to this, the flexibility of cloud computing means that customers are not limited to a single provider. This is where the hybrid cloud and multi-cloud environments have become important. The distinction between the two is largely due to private and public cloud services. Private services are internal, local infrastructure, or managed IT services, while public cloud is a staple product provided by companies like Microsoft.

Hybrid Cloud

The hybrid cloud, as the name implies, is a mix of public and private clouds. Services like software execution can use the public cloud, while things like inactive data can live inside the private cloud. Often the reason for using this format has to do with the need to balance flexibility with security, cost-effectiveness, and latency.

However, it may be cheaper to activate some instances of the cloud for a limited time development project and deactivate them when they are no longer needed. On the other hand, long-term storage is usually cheaper in a private cloud than in a public one. Local laws may also restrict what information can be stored on a third-party service.

The hybrid cloud is typically a niche model, with some industry watchers claiming it was just one step on the road to the full public cloud. Among the pros of hybrid cloud is that companies are confident that confidential information can be stored within their data centers. In the cons, we have its administration difficulty and the arduous task of adapting the internal systems so that they work effectively with those of third parties. Security is also a problem that causes more major incidents than cloud-hosted applications.

Multi-Cloud Environment

Multi-cloud differs from hybrid cloud in that it uses multiple public cloud environments instead of the public-private mix. For example, an application in a multi-cloud environment can run all computing and networking activities on AWS while using Microsoft’s Azure database services. It is a complex way of operating, but it is growing rapidly in the business world.

Among the pros, we have that without being linked to a supplier, companies can operate and innovate at full speed. If we are linked to a host, we can find that, while it is excellent for some things, it may not be excellent for others, which in turn limits our ambitions. This also reduces the risk of vendor blocking, as companies won’t necessarily rely on vendor technology.

As for the cons, we have the obvious problem that in a multi-cloud environment, the “multi” part means paying. It is also true that the more you use, the more complicated it becomes. This could lead to mismanagement and lead to higher costs and business interruptions. Also worth mentioning is the fact that the more clouds we use, the more we will have to protect.

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